| Source Name
(1) | Alternate Name
(2) | Type
(3) | Galactic
(deg) (4) | Celestial
(deg) (5) | Distance a
(6) | Energy
(MeV) (7) | General Information
(8) |
| 1A 0535+262... | 4U 0538+26 1H 0536+263 | HMXRB | 181.45, -2.64 | 84.73, 26.32 | · · · | 0.05–0.30 | Gamma-ray spectra (Grove et al. 1995b; Hameury et al. 1983; Dal Fiume, Frontera, & Morelli 1988; Polcaro et al. 1983); flux measurements (Levine et al. 1984; Fishman & Watts 1977; Refloc'h et al. 1986) |
| 1A 1742-294... | 1E 1742.9-2929, 2S 1742-294 | LMXRB | 359.56, -0.39 | 266.53, -29.52 | 7 | 0.05–0.18 | Flux measurement (Levine et al. 1984); distance (Christian & Swank 1997) |
| 1E 1740.7-2942... | Great Annihilator IRAS 17408-2942 | Accretor | 359.15, -0.12 | 266.01, 29.72 | · · · | 0.05–0.40 | Low-energy continuum spectral observations (Heindl et al. 1993; Skinner et al. 1991; Bazzano et al. 1992); |
| 2CG 006+00... | GRO J1758-23 2EG J1801-2312 | Unidentified | 6.73, -0.14 | 270.34, -23.21 | · · · | >100 | Flux measurements (Thompson et al. 1995; Swanenburg et al. 1981) |
| 2CG 010-31... | · · · | Unidentified | 10.53, -31.52 | 304.75, -31.80 | · · · | >100 | Flux measurement (Swanenburg et al. 1981) |
| 2CG 013+00... | · · · | Unidentified | 13.69, 0.60 | 273.27, -16.77 | · · · | >100 | Flux measurement (Swanenburg et al. 1981) |
| 2CG 036+01... | · · · | Unidentified | 36.49, 1.53 | 283.12, 3.86 | · · · | >100 | Flux measurement (Swanenburg et al. 1981) |
| 2CG 065+00... | GEV J1957+2859 | Unidentified | 65.75, -0.01 | 299.25, 28.80 | · · · | >100 | Flux measurement (Swanenburg et al. 1981); high-energy measurement (Lamb & Macomb 1997) |
| 2CG 075+00... | GRO J2021+37 2EG J2019+3719 | Unidentified | 75.46, 0.60 | 304.94, 37.32 | · · · | >100 | Flux measurement (Swanenburg et al. 1981; Thompson et al. 1995) |
| 2CG 078+01... | GRO J2019+40 2EG J2020+4026 | Unidentified | 78.12, 2.23 | 305.14, 40.44 | · · · | >100 | Flux measurement (Swanenburg et al. 1981; Thompson et al. 1995); possible association with an X-ray point source and proposed identification as a pulsar (Brazier et al. 1996) |
| 2CG 095+04... | · · · | Unidentified | 95.43, 4.27 | 313.07, 55.20 | · · · | >100 | High-energy flux measurement (Swanenburg et al. 1981) |
| 2CG 121+04... | · · · | Unidentified | 121.00, 3.98 | 8.00, 66.80 | · · · | >100 | Flux measurement (Swanenburg et al. 1981) |
| 2CG 135+01... | GRO J0240+61 2EG J0241+6119 | Unidentified | 135.67, 1.09 | 40.13, 61.24 | · · · | 0.12–30 >100 | High-energy flux measurement (Swanenburg et al. 1981; Thompson et al. 1995); MeV detection (van Dijk et al. 1994b) |
| 2CG 218-00... | · · · | Unidentified | 218.36, -0.53 | 104.75, -5.10 | · · · | >100 | Flux measurement (Swanenburg et al. 1981) |
| 2CG 235-01... | · · · | Unidentified | 235.41, -1.07 | 112.50, -20.40 | · · · | >100 | Flux measurement (Swanenburg et al. 1981) |
| 2CG 284-00... | GRO J1021-58 2EG J1021-5835 | Unidentified | 284.45, -1.20 | 155.41, -58.59 | · · · | >100 | Flux measurement (Thompson et al. 1995; Swanenburg et al. 1981) |
| 2CG 288-00... | GRO J1047-58 2EG J1049-5847 | Unidentified | 287.63, 0.40 | 162.25, -58.78 | · · · | >100 | Flux measurement (Thompson et al. 1995; Swanenburg et al. 1981) |
| 2CG 311-01... | GRO J1416-61 2EG J1412-6211 | Unidentified | 312.28, -0.81 | 213.23, -62.19 | · · · | 0.05–0.11 >100 | Flux measurement (Thompson et al. 1995; Swanenburg et al. 1981) |
| 2CG 333+01... | · · · | Unidentified | 333.52, 0.96 | 244.25, -49.30 | · · · | >100 | Flux measurement (Swanenburg et al. 1981) |
| 2CG 356+00... | · · · | Unidentified | 356.56, 0.23 | 264.0, -31.70 | · · · | >100 | Flux measurement (Swanenburg et al. 1981) |
| 2CG 359-00... | 2EG J1747-3039 GRO J1732-31 | Unidentified | 358.77, -1.30 | 266.95, -30.66 | · · · | 1-3 >100 | Flux measurement (Thompson et al. 1995; Swanenburg et al. 1981; Macomb & Shrader 1996) |
| 2CG 359-00... | · · · | Unidentified | 359.53, -0.76 | 266.87, -29.3 | · · · | >100 | Flux measurement (Swanenburg et al. 1981) |
| 2EG J0008+7307... | GRO J0004+73 | Unidentified | 119.77, 10.52 | 2.09, 73.13 | · · · | >30 | Flux measurement (Thompson et al. 1995); gamma-ray spectrum (Nolan et al. 1996) |
| 2EG J0119+0312... | GRO J0118+02 | Unidentified | 136.77, -58.90 | 19.97, 3.21 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J0159-3557... | · · · | Unidentified | 248.55, -73.08 | 29.85, -35.95 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J0216+1107... | GRO J0215+11 | Unidentified | 153.93, -46.60 | 34.00, 11.12 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J0220+4228... | GRO J0222+42 | Unidentified | 139.98, -17.33 | 35.19, 42.57 | · · · | >100 | High-energy detection and possible identification as QSO 0219+428 (Thompson et al. 1995; Dingus et al. 1996); possible alternative identification of 2EG source as PSR J0218+4232 (Verbunt et al. 1996) |
| 2EG J0239+2818... | · · · | Unidentified | 150.33, -28.80 | 40.09, 28.21 | · · · | 30–1000 | Flux measurements and possible identification with 4C 28.07 (Thompson et al. 1995; Dingus et al. 1996) |
| 2EG J0323+5126... | · · · | Unidentified | 145.53, -4.65 | 50.77, 51.44 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J0403+3357... | · · · | Unidentified | 162.40, -13.79 | 60.95, 33.96 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J0406+1704... | GRO J0407+17 | Unidentified | 175.61, -25.23 | 61.67, 17.08 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J0422+1414... | GRO J0421+15 | Unidentified | 180.65, -24.26 | 65.53, 14.24 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J0426+6618... | · · · | Unidentified | 142.24, 11.87 | 66.51, 66.31 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J0432+2910... | GRO J0431+29 | Unidentified | 170.34, -12.68 | 68.21, 29.18 | · · · | >30 | Flux measurement (Thompson et al. 1995) |
| 2EG J0437+1524... | GRO J0438+15 | Unidentified | 182.10, -20.68 | 69.30, 15.41 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J0506+3424... | · · · | Unidentified | 170.85, -3.79 | 76.70, 34.40 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J0511+5523... | · · · | Unidentified | 154.40, 9.35 | 77.95, 55.40 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J0520+2626... | · · · | Unidentified | 179.04, -6.07 | 80.06, 26.44 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J0521+2206... | · · · | Unidentified | 182.87, -8.18 | 80.48, 22.11 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J0545+3943... | GRO J0544+39 | Unidentified | 170.79, 5.65 | 86.48, 39.73 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J0617-0652... | GRO J0605-09 | Unidentified | 215.27, -10.62 | 94.42, -6.88 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J0618+2234... | GRO J0617+22 | Unidentified | 189.13, 3.19 | 94.50, 22.58 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J0635+0521... | GRO J0635+05 | Unidentified | 206.30, -1.20 | 98.75, 5.35 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J0720-4746... | GRO J0724-47 | Unidentified | 259.24, -15.19 | 110.12, -47.77 | · · · | >30 | Flux measurement (Thompson et al. 1995) |
| 2EG J0744+5438... | GRO J0744+54 | Unidentified | 163.18, 29.34 | 116.12, 54.65 | · · · | >70 | Flux measurement (Thompson et al. 1995) |
| 2EG J0809+5117... | · · · | Unidentified | 167.46, 32.74 | 122.27, 51.29 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J0812-0648... | GRO J0812-06 | Unidentified | 228.64, 14.55 | 123.07 -6.82 | 1.837 | >30 | Flux measurements and possible ID (Thompson et al. 1995); gamma-ray spectrum (Nolan et al. 1997) |
| 2EG J0852-1237... | GRO J0853-12 | Unidentified | 239.35, 19.75 | 133.12, -12.63 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1054+5736... | · · · | Unidentified | 148.80, 53.26 | 163.70, 57.61 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1103-6106... | GRO J1110-60 | Unidentified | 290.30, -0.90 | 165.95, -61.10 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1136-0414... | · · · | Unidentified | 270.26, 53.84 | 174.23, -4.24 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1233-1407... | · · · | Unidentified | 296.20, 48.50 | 188.26, -14.13 | · · · | >30 | Flux measurement (Thompson et al. 1995) |
| 2EG J1239+0441... | GRO J1237+04 | Unidentified | 295.04, 67.38 | 189.82, 4.69 | · · · | >30 | Flux measurement (Thompson et al. 1995) |
| 2EG J1248-8308... | GRO J1227-83 | Unidentified | 302.83, -20.27 | 192.06, -83.14 | · · · | >30 | Flux measurement (Thompson et al. 1995); spectral information (Dingus et al. 1996) |
| 2EG J1324-4317... | GRO J1314-42 | Unidentified | 309.32, 19.16 | 201.16, -43.30 | · · · | >100 | Gamma-ray observations and possible association with Cen A (Thompson et al. 1995; Nolan et al. 1996) |
| 2EG J1332+8821... | · · · | Unidentified | 122.60, 28.75 | 203.04, 88.35 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1346+2942... | · · · | Unidentified | 48.11, 77.57 | 206.70, 29.70 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1430+5356... | · · · | Unidentified | 95.52, 57.58 | 217.66, 53.95 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1443-6040... | GRO J1443-60 | Unidentified | 316.28 , -0.75 | 220.98, -60.67 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1457-1916... | GRO J1456-19 | Unidentified | 339.68, 34.46 | 224.36, -19.27 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1528-2352... | · · · | Unidentified | 343.23, 26.45 | 232.15, -23.87 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1631-2845... | · · · | Unidentified | 350.40, 13.26 | 247.76, -28.75 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1635-1427... | GRO J1648-15 | Unidentified | 2.57, 21.67 | 248.76, -14.46 | · · · | >30 | Flux measurement (Thompson et al. 1995) |
| 2EG J1648-5042... | · · · | Unidentified | 335.95, -3.68 | 252.04, -50.71 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1709-0350... | GRO J1709-03 | Unidentified | 17.07, 20.63 | 257.32, -3.84 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1718-3310... | GRO J1716-35 | Unidentified | 353.31, 2.48 | 259.71, -33.18 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1731+6007... | · · · | Unidentified | 88.93, 33.14 | 262.90, 60.12 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1742-2250... | · · · | Unidentified | 4.78, 3.86 | 265.53, -22.85 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1746-0935... | GRO J1747-09 | Unidentified | 16.76, 9.81 | 266.56, -9.59 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1746-2852... | GRO J1744-28 | Unidentified | 0.17, -0.15 | 266.65, -28.87 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1811-2339... | · · · | Unidentified | 7.52, -2.47 | 272.98, -23.65 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1813-1229... | GRO J1813-12 | Unidentified | 17.52, 2.53 | 273.41, -12.48 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1815+2950... | GRO J1815+30 | Unidentified | 56.89, 20.37 | 273.83, 29.84 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1821-7915... | GRO J1731-78 | Unidentified | 314.72, -25.25 | 275.43, -79.26 | · · · | >100 | Flux measurement (Thompson et al. 1995); spectral information (Dingus et al. 1996); |
| 2EG J1825-1307... | GRO J1823-12 | Unidentified | 18.38, -0.43 | 276.50, -13.12 | · · · | 1–30 >100 | Flux measurement (Thompson et al. 1995); possible medium energy detection (Macomb & Shrader 1996) |
| 2EG J1828+0145... | GRO J1834+01 | Unidentified | 31.92, 5.82 | 277.22, 1.75 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1834-2138... | · · · | Unidentified | 11.77, -6.22 | 278.71, -21.64 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1835+5919... | GRO J1837+59 | Unidentified | 88.74, 25.12 | 278.78, 59.33 | · · · | >30 | Flux measurement (Thompson et al. 1995) |
| 2EG J1847-3220... | · · · | Unidentified | 3.17, -13.33 | 281.84, -32.35 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J1850-2638... | GRO J1852-25 | Unidentified | 8.82, -11.70 | 282.74, -26.65 | · · · | >100 | Flux measurement (Thompson et al. 1995); spectral information (Dingus et al. 1996) |
| 2EG J1857+0118... | GRO J1853+01 | Unidentified | 34.80, -0.76 | 284.39, 1.32 | · · · | >100 | Flux measurement (Thompson et al. 1995); possible association with W44 (Esposito et al. 1996; De Jager & Mastichiadis 1997) |
| 2EG J1950-3503... | GRO J1949-34 | Unidentified | 5.17, -26.50 | 297.51, -35.06 | · · · | >30 | Flux measurement (Thompson et al. 1995); spectral information (Dingus et al. 1996) |
| 2EG J2006-2253... | GRO J2009-23 | Unidentified | 19.32, -26.17 | 301.62, -22.90 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J2026+3610... | · · · | Unidentified | 75.31, -1.18 | 306.65, 36.18 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J2027+1054... | · · · | Unidentified | 54.24, -15.55 | 306.78, 10.91 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J2033+4112... | GRO J2032+40 | Unidentified | 80.19, 0.66 | 308.42, 41.21 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J2039+1131... | GRO J2039+11 | Unidentified | 56.46, -17.71 | 309.81, 11.52 | · · · | >30 | Flux measurement (Thompson et al. 1995); gamma-ray spectrum (Dingus et al. 1996) |
| 2EG J2227+6122... | GRO J2231+61 | Unidentified | 106.60, 3.14 | 336.98, 61.37 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J2243+1545... | · · · | Unidentified | 83.17, -37.04 | 340.82, 15.75 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EG J2354+3811... | · · · | Unidentified | 110.73, -23.32 | 358.56, 38.19 | · · · | >100 | Flux measurement (Thompson et al. 1995) |
| 2EGS J0426+1636... | · · · | Unidentified | 179.40, -21.92 | 66.66, 16.61 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 2EGS J0500+5902... | · · · | Unidentified | 150.50, 10.26 | 75.15, 59.04 | · · · | 100–1000 | Flux measurement (Thompson et al. 1996) |
| 2EGS J0552-1026... | · · · | Unidentified | 215.78, -17.78 | 88.12, -10.45 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 2EGS J0555+0408... | · · · | Unidentified | 202.77, -10.40 | 88.95, 4.14 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 2EGS J0724-5157... | · · · | Unidentified | 263.47, -16.34 | 111.02, -51.97 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 2EGS J0852-4343... | GRO J0856-42 | Unidentified | 264.28, 0.47 | 133.05, -43.73 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 2EGS J0909+6558... | · · · | Unidentified | 148.29, 38.47 | 137.43, 65.97 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 2EGS J1050-7650... | GRO J1044-77 | Unidentified | 296.08, -15.62 | 162.53, -76.85 | · · · | >100 | Flux measurement (Thompson et al. 1996); spectral information (Dingus et al. 1996) |
| 2EGS J1133+0037... | · · · | Unidentified | 264.41, 57.54 | 173.33, 0.63 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 2EGS J1220-1510... | · · · | Unidentified | 291.77, 47.02 | 185.00, -15.17 | · · · | >100 | Gamma-ray discovery (Thompson et al. 1996) |
| 2EGS J1236-0416... | · · · | Unidentified | 295.58, 58.38 | 189.00, -4.27 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 2EGS J1324+2210... | · · · | Unidentified | 1.59, 80.95 | 201.20, 22.18 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 2EGS J1418-6049... | · · · | Unidentified | 313.31, 0.29 | 214.54, -60.82 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 2EGS J1504-1537... | · · · | Unidentified | 344.06, 36.37 | 226.22, -15.63 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 2EGS J1642-2659... | · · · | Unidentified | 353.46, 12.48 | 250.62, -26.99 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 2EGS J1653-4604... | · · · | Unidentified | 340.08, -1.39 | 253.34, -46.07 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 2EGS J1703-6302... | · · · | Unidentified | 327.39, -12.88 | 255.79, -63.05 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 2EGS J1708-0927... | · · · | Unidentified | 11.92, 17.80 | 257.16, -9.47 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 2EGS J1736-2904... | · · · | Unidentified | 358.78, 1.70 | 264.02, -29.07 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 2EGS J1800-4005... | · · · | Unidentified | 351.82, -8.18 | 270.01, -40.10 | · · · | >100 | Flux measurement and possible ID (Thompson et al. 1996) |
| 2EGS J1833-2754... | · · · | Unidentified | 6.00, -8.80 | 278.45, -27.91 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 2EGS J1903+0529... | GRO J1904+06 | Unidentified | 39.15, -0.08 | 285.77, 5.49 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 2EGS J1905-1120... | · · · | Unidentified | 24.36, -8.24 | 286.38, -11.34 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 2EGS J1954-1419... | GRO J1940-12 | Unidentified | 26.85, -20.42 | 298.75, -14.33 | · · · | >100 | Gamma-ray flux measurement (Thompson et al. 1996); spectral information (Dingus et al. 1996) |
| 2EGS J2322-0321... | · · · | Unidentified | 77.24, -58.10 | 350.60, -3.36 | · · · | >100 | Flux measurement (Thompson et al. 1996) |
| 3C 111... | 1H 0414+380 4U 0407+37 EQ 0415+3754 | Seyfert 1 | 161.67, -8.82 | 64.59, 38.03 | 0.049 | 0.05–0.15 | Low-energy gamma-ray emission (Johnson et al. 1994) |
| 3C 120... | 1H 0426+051 | Seyfert 1 | 190.37, -27.40 | 68.30, 5.35 | 0.033 | 0.05–0.15 | Low-energy gamma-ray emission (Johnson et al. 1994; Rothschild et al. 1983) |
| 3C 273... | H1226+023 2EG J1229+0206 2CG 289+64 | Quasar | 289.95, 64.36 | 187.28, 2.05 | 0.1575 | 0.05–8 70–2000 | Original hard X-ray detection (Levine et al. 1984); radio through gamma-ray multiwavelength observation (Lichti et al. 1995; von Montigny et al. 1997); high-energy spectrum (von Montigny et al. 1993) |
| 3C 279... | QSO 1253-055 2EG J1256-0546 1E 1253.5-0531 1Jy 1253-05 | Quasar | 305.10, 57.06 | 194.05, -5.79 | 0.5362 | 0.05–0.15 8–30 50–10000 | 100 MeV variability (Kniffen et al. 1993); multiwavelength observations including gamma-rays (Hartman et al. 1996); gamma-ray spectroscopy (McNaron-Brown et al. 1995); medium energy flux (Williams et al. 1995b) |
| 3C 390.3... | QSO 1845+796 1H 1858+797 4U 1847+78 2E 1845.6+7943 1Jy 1845+79 | Seyfert 1 | 111.43, 27.07 | 280.56, 79.76 | 0.056 | 0.05–0.15 | Low-energy gamma-ray emission (Johnson et al. 1994; Rothschild et al. 1983) |
| 3C 454.3... | QSO 2251+158 2EG J2253+1615 2E 2251.5+1553 RX J22539+1608 | Quasar | 86.10, -38.20 | 343.49, 16.13 | 0.859 | 0.05–0.15 100–10000 | Low-energy flux (McNaron-Brown et al. 1995); high-energy observations (Hartman et al. 1993) |
| 4U 0115+63... | 1H 0115+635 1XRS 01152+634 CAS Gamma-1 | HMXRB | 125.92, 1.03 | 169.63, 63.74 | · · · | 0.05–0.1 | Detection of low-energy gamma-ray emission during an outburst (Negueruela et al. 1997) |
| 4U 0352+30... | X Persei | HMXRB | 163.08, -17.14 | 58.85, 31.05 | 1.3 | 0.05–0.17 | Low-energy spectrum (Worrall et al. 1981); distance (Fabregat et al. 1992) |
| 4U 1543-47... | · · · | LMXRB | 330.92, 5.43 | 236.79, -47.67 | · · · | 0.05–0.23 | Low-energy gamma-ray emission (Harmon et al. 1992) |
| 4U 1626-67... | 1H 1627-673 2A 1627-673 2S 1627-673 | LMXRB | 321.79, -13.09 | 248.07, -67.46 | 8 | 0.05–0.08 | Low-enegy spectroscopy (Maurer et al. 1982; Pravdo et al. 1979); flux measurement (Levine et al. 1984); distance (McClintock et al. 1977) |
| 4U 1630-47... | GX 337+00 | LMXRB | 336.91, 0.25 | 248.50, -47.39 | 11 | 0.05–0.10 | Gamma-ray flu and light curve (Bloser et al. 1996a); distance (Christian & Swank 1997) |
| 4U 1700-377... | V884 Sco 2S 1700-377 H1700-377 | X-ray source | 347.75, 2.17 | 255.99, -37.84 | 1.8 | 0.05–0.20 | Low-energy spectroscopy and variability (Laurent et al. 1992; Rubin et al. 1996); other flux measurement (Levine et al. 1984); distance (Hutchings et al. 1973) |
| A1118-616... | · · · | HMXRB | 292.50, -0.89 | 170.24, -61.92 | 4 | 0.05–0.1 | Multiwavelength detection of outburst and gamma-ray observations (Coe et al. 1994a); distance (Coe & Payne 1985) |
| Aql X-1... | H1908+005 4U 1908+00 V1333 Aql 3A 1908+005 | LMXRB | 35.72, -4.14 | 287.82, 0.59 | 4.8 | 0.05–0.12 | Flux measurement (Levine et al. 1984); distance (Christian & Swank 1997) |
| Briggs source... | · · · | Unidentified | 4.96, -14.36 | 283.76, -31.16 | · · · | 0.333–0.635 | Annihilation line detection and possible identifications (Briggs et al. 1995) |
| CAS A... | 1H 2321+585 4U 2321+58 2E 2321.1+5833 SNR 111.7-02.1 | SNR | 111.71, -2.12 | 350.80, 58.81 | 2.8 | 0.05–0.25 1.16 (line) | 44Ti line emission (Iyudin et al. 1994); low-energy continuum and line upper limits (The et al. 1996); distance (van den Bergh 1971) |
| Cen A... | H1322-427 NGC 5128 | Seyfert 2 | 309.52, 19.42 | 201.37, -43.02 | 0.002 | 0.05–20.0 >300000 | Gamma-ray spectroscopy (Jourdain et al. 1993; Kinzer et al. 1995; Baity et al. 1981; Ubertini et al. 1993); consideration of relativistic jet model (Skibo, Dermer, & Kinzer 1994) |
| Cen X-3... | 1H 1118-602 GX 292+00 4U 1118-60 V779 Cen | HMXRB | 292.09, 0.34 | 170.31, -60.62 | 8 | 0.05–0.6 100–1000 | Low-energy flux measurement (Levine et al. 1984; Coe, Engel, & Quenby 1976b); 100 MeV emission (Vestrand, Sreekumar, & Mori 1997); distance (Krzeminski 1974) |
| Cen X-4... | 2E 1455.2-3127 | LMXRB | 332.24, 23.88 | 224.59, -31.67 | · · · | 0.2–0.163 | Low-energy flux (Bouchacourt et al. 1984) |
| Coma... | 4U 1257+28 H1257+283 2E 1257.4+2812 | Galaxy cluster | 58.16, 88.01 | 194.90, 27.96 | · · · | 0.05–0.13 | Nature of high-energy emission (Rephaeli & Goldschmidt 1992) |
| Crab... | PSR B0531+21 2EG J0534+2158 | Pulsar | 184.56, -5.78 | 83.52, 22.19 | 2 | 0.05–10000 >250000 | Composite GRO spectra and light curves (Ulmer et al. 1995); models of unpulsed emission (De Jager & Harding 1992; Cheng et al. 1990; Kwok, Cheng, & Lau 1991); time variability of pulse peak counts ratio (Kanbach 1990; Nolan et al. 1993a); pulsed emission models (Cheng, Ho, & Ruderman 1986a, 1986b) |
| CTA 102... | 2EG J2233+1140 QSO 2230+114 | Quasar | 77.44, -38.58 | 338.15, 11.73 | 1.04 | 0.05–0.15 30–2000 | High-energy spectrum (Nolan et al. 1993b); hard X-ray spectrum (McNaron-Brown et al. 1995) |
| Cyg X-1... | 4U 1956+35 1H 1956+350 3A 1956+350 V1357 Cyg | HMXRB | 71.33, 3.07 | 299.59, 35.20 | · · · | 0.05–9 | Spectroscopy (Jain et al. 1976; Ubertini et al. 1994; Perotti et al. 1986; Ling et al. 1983; Maisack et al. 1994); definition of gamma-ray spectral states (Ling et al. 1987); inverse Compton model (Sunyaev & Titarchuk 1980); corona plus accretion disk model (Haardt et al. 1993); model of MeV excess (Liang & Dermer 1988) |
| Cyg X-2... | 4U 2142+38 1H 2142+380 3A 2142+380 V1341 Cyg | LMXRB | 87.33, -11.32 | 326.17, 38.32 | 8 | 0.05–0.06 | Low-energy spectral observations (Matt et al. 1990; Maurer et al. 1982); distance (Christian & Swank 1997) |
| Cyg X-3... | · · · | HMXRB | 79.85, 0.70 | 308.11, 40.96 | · · · | 0.05–0.2 >100 >500000 | Low-energy gamma-ray flux (Levine et al. 1984); spectral measurements (Rocchia et al. 1969; Hermsen et al. 1987; Baity et al. 1973; Matz et al. 1994b); high-energy emission (Lamb et al. 1977); overview of TeV claims (Weekes 1988) |
| ESO 141-G55... | 4U 1924-59 | Seyfert 1 | 338.18, -26.71 | 290.31, -58.67 | 0.036 | 0.05–0.120 | Low-energy gamma-ray flux (Rothschild et al. 1983) |
| EXO 2030+375... | · · · | HMXRB | 44.33, -20.91 | 38.36, 37.69 | · · · | 0.05–0.2 | Flux measurements (Stollberg et al. 1993) |
| EXS 1737.9-2952... | · · · | Accretor | 358.67, 0.34 | 264.48, -29.87 | · · · | 0.083–0.111 | Low-energy flux measurment of possible double-backscattered 511 keV radiation (Grindlay et al. 1993) |
| Geminga... | 1E 0630+17.8 2EG J0633+1745 | Pulsar | 195.13, 4.27 | 98.48, 17.77 | · · · | 30–20000 >800000 | Discovery of gamma-ray pulsations (Bertsch et al. 1992); SAS 2 pulse timing (Mattox et al. 1992); COS B pulse timing (Grenier et al. 1994); polar cap model applied (Harding, Ozernoy, & Usov 1993); spectral variability (Grenier, Hermsen, & Henriksen 1993); polar cap model of unified X-ray/gamma-ray emission(Harding et al. 1993) |
| GEV J0319+2407... | · · · | Unidentified | 161.13, -27.60 | 49.76, 24.12 | · · · | >1000 | High-energy emission (Lamb & Macomb 1997) |
| GEV J0508+0540... | · · · | Unidentified | 195.32, -19.81 | 77.17, 5.67 | · · · | >1000 | High-energy emission (Lamb & Macomb 1997) |
| GEV J0615+4200... | · · · | Unidentified | 171.45, 11.61 | 93.82, 42.01 | · · · | >1000 | High-energy emission (Lamb & Macomb 1997) |
| GEV J1837-0610... | · · · | Unidentified | 25.82, 0.33 | 279.31, -6.17 | · · · | >1000 | High-energy emission (Lamb & Macomb 1997) |
| GEV J1907+0557... | · · · | Unidentified | 40.08, -0.88 | 286.92, 5.95 | · · · | >1000 | High-energy emission (Lamb & Macomb 1997) |
| GEV J2026+4124... | · · · | Unidentified | 79.56, 1.86 | 306.64, 41.41 | · · · | >1000 | High-energy emission (Lamb & Macomb 1997) |
| GEV J2035+4214... | · · · | Unidentified | 81.22, 1.02 | 308.86, 42.25 | · · · | >1000 | High-energy emission (Lamb & Macomb 1997) |
| GEV J2053+5644... | · · · | Unidentified | 94.42, 7.72 | 313.26, 56.74 | · · · | >1000 | High-energy emission (Lamb & Macomb 1997) |
| GRO 0516-609... | · · · | Unidentified | 270.11, -35.04 | 78.90, -60.95 | · · · | 1–10 | Gamma-ray observations and possible identification with PKS 0516-609 (Bloemen et al. 1995; Blom et al. 1996) |
| GRO J0422+32... | Nova Per 1992 Granat 0417+335 | X-ray nova | 165.88, -11.91 | 65.43, 32.91 | · · · | 0.05–2.0 | Spectroscopy observation (Roques et al. 1994); MeV emission (van Dijk et al. 1994a) |
| GRO J0435+25... | · · · | Unidentified | 172.80, -14.70 | 68.26, 26.05 | · · · | 30–1000 | Gamma-ray discovery (Fichtel et al. 1994); further observations and possible identification (Dingus et al. 1996) |
| GRO J1008-57... | · · · | HMXRB | 283.00, -1.82 | 152.45, -58.29 | 5 | 0.05–0.16 | Low-energy emission and discovery (Wilson et al. 1994b); distance (Coe et al. 1994b) |
| GRO J1040+48... | · · · | Unidentified | 165.00, 57.10 | 156.00, 47.88 | · · · | 0.75–1.4 | Discovery and spectrum at MeV energies (Iyudin et al. 1996) |
| GRO J1214+06... | · · · | Unidentified | 278.40, 67.07 | 182.86, 6.28 | · · · | 3–10 | Gamma-ray discovery (Collmar et al. 1996) |
| GRO J1655-40... | Nova Sco 1994 | X-ray nova | 344.59, 1.90 | 253.74, -40.50 | 3.2 | 0.05–0.6 | Gamma-ray spectroscopy and variability (Kroeger et al. 1996); correlations between X-ray outbursts and relativistic outflow (Harmon et al. 1995); multiwavelength high-energy observations (Zhang et al. 1997); distance (Hjellming et al. 1995) |
| GRO J1719-24... | GRS 1716-249 Nova Oph 1993 | Accretor | 0.20, 6.99 | 259.94, -24.97 | 2-3 | 0.05–0.1 | Flux history and variability studies (van der Hooft et al. 1996); distance (Della Valle, Mirabel, & Rodriguez 1994) |
| GRO J1744-28... | · · · | Accretor | 0.03, 0.29 | 266.14, -28.77 | 8 | 0.050–0.15 | Discovery of bursting behavior (Kouveliotou et al. 1996); gamma-ray pulsations and spectroscopy (Strickman et al. 1996c; Finger et al. 1996a); distance (Giles et al. 1996) |
| GRO J1750-27... | · · · | Accretor | 2.16, 0.17 | 267.50, -27.0 | · · · | 0.05–0.07 | Discovery, spectrum, and orbit (Scott et al. 1997) |
| GRO J1753+57... | · · · | Unidentified | 85.5, 30.5 | 267.92, 57.18 | · · · | 0.75–8 | Discovery and spectrum at MeV energies (Williams et al. 1995a) |
| GRO J1838-04... | · · · | Unidentified | 27.31, 1.04 | 279.36, -4.53 | · · · | 100–2000 | Gamma-ray discovery (Tavani et al. 1997) |
| GRO J1849-03... | · · · | Accretor | 29.64, -0.90 | 282.16, -3.34 | · · · | 0.05–0.1 | Gamma-ray outbursts (Zhang et al. 1996b) |
| GRO J1940-12... | · · · | Unidentified | 28.90, -19.20 | 297.73, -12.20 | · · · | 30-100 | Gamma-ray discovery (Dingus et al. 1996) |
| GRO J1948+32... | · · · | Accretor | 72.02, -0.03 | 303.22, 34.12 | · · · | 0.05–0.12 | Low-energy gamma-ray discovery (Chakrabarty et al. 1995) |
| GRO J2058+42... | · · · | Accretor | 83.55, -2.72 | 314.28, 41.52 | 0.50–0.10 | Gamma-ray observations (Wilson et al. 1997b) | |
| GRO J2250-13... | · · · | Unidentified | 53.33, -58.30 | 342.50, -13.00 | · · · | >100 | Gamma-ray discovery (Vestrand, Stacy, & Sreekumar 1996) |
| GRO J2254-50... | · · · | Unidentified | 339.41, -57.98 | 343.49, -50.00 | · · · | >100 | Gamma-ray discovery (Vestrand et al. 1996) |
| GRO J2303+44... | · · · | Unidentified | 103.26, -14.57 | 345.86, 44.14 | · · · | >1000 | Gamma-ray observations and possible identification (Dingus et al. 1996) |
| GRS 1009-45... | Nova Velorum 1993 | X-ray nova | 275.55, 9.03 | 152.77, -45.15 | · · · | 0.05–0.15 | Discovery (Lapshov, Sazonov, & Sunyaev 1993; Harmon et al. 1993a); flux measurements and spectrum (Goldoni et al. 1998) |
| GRS 1227+025... | EQ 1227+0224 1E 1227+0224 | Quasar | 290.35, 64.48 | 187.47, 2.14 | · · · | 0.05–0.08 | Gamma-ray discovery (Jourdain et al. 1992) |
| GRS 1724-308... | CL Terzan 2 | Accretor | 356.32, 2.30 | 261.89, -30.80 | 10 | 0.05–0.2 | Gamma-ray spectrum (Barret et al. 1991); distance (Djorgovski 1993) |
| GRS 1730-312... | KS 1730-312 | Accretor | 356.33, 1.59 | 262.60, -31.18 | · · · | 0.35–0.15 | Gamma-ray discovery (Vargas et al. 1996) |
| GRS 1739-278... | · · · | Accretor | 0.66, 1.17 | 259.88, -27.76 | · · · | 0.035-0.30 | Gamma-ray discovery (Vargas et al. 1997) |
| GRS 1758-258... | · · · | Accretor | 4.51, -1.36 | 270.30, -25.74 | · · · | 0.05–0.3 | Gamma-ray spectrum (Gilfanov et al. 1993; Bazzano et al. 1993); flux measurement (Heindl et al. 1993) |
| GRS 1915+105... | · · · | Accretor | 45.26, -0.85 | 289.33, 10.55 | 12.5 | 0.02–0.10 | Discovery (Castro-Tirado et al. 1994); spectral and variability studies (Paciesas et al. 1996); anticorrelation with radio (Harmon et al. 1997); superluminal motion and distance (Mirabel & Rodriguez 1994) |
| GS 0834-43... | · · · | HMXRB | 262.02, -1.50 | 128.98, -43.18 | · · · | 0.05–0.1 | Gamma-ray outbursts (Wilson et al. 1997a); other flux (Denis et al. 1993) |
| GS 1826-24... | RX J1829.4-2347 | LMXRB | 9.27 -6.09 | 277.37, -23.80 | >10 | 0.05–0.2 | Gamma-ray detection and spectrum (Strickman et al. 1996a); distance (Barret, Motch, & Pietsch 1995) |
| GS 2000+25... | Nova Vul 1988 | X-ray nova | 63.37, -3.00 | 300.71, 25.24 | 2 | 0.05–0.3 | Low-energy spectroscopy (Sunyaev et al. 1988a); distance (Callanan et al. 1996) |
| GX 1+4... | 4U 1728-24 1H 1728-247 2S 1728-247 3A 1728-247 V2116 Oph | LMXRB | 1.94, 4.79 | 263.01, -24.75 | 8.3 | 0.05–0.50 | Spectral measurements (Laurent et al. 1993; Maurer et al. 1982; Greenhill et al. 1993; Mony et al. 1991; Beurle et al. 1984); flux measurements (Jayanthi, Jablonski, & Braga 1987; Levine et al. 1984; Refloc'h et al. 1986); distance (Jablonski & Pereira 1997) |
| GX 17+2... | · · · | LMXRB | 16.43, 1.28 | 274.01, -14.04 | 7.5 | 0.05–0.08 | Flux measurement (Levine et al. 1984); distance (Christian & Swank 1997) |
| GX 3+1... | 4U 1744-26 1H 1744-265 2S 1744-265 3A 1744-265 Sgr X-1 | LMXRB | 2.29, 0.79 | 266.98, -26.56 | 5.6 | 0.05–0.08 | Flux measurement (Levine et al. 1984); distance (Christian & Swank 1997) |
| GX 301-2... | 4U 1223-62 2S 1223-624 3A 1223-624 BP Cru | HMXRB | 300.10, -0.04 | 186.66, -62.77 | 1.8 ± 0.4 | 0.05–0.08 | Flux measurements (Levine et al. 1984; Coe et al. 1976b); distance (Parkes et al. 1980) |
| GX 304-1... | 4U 1258-61 2S 1258-613 V850 Cen 1H 1257-610 | HMXRB | 304.10, 1.25 | 195.32, -61.60 | · · · | 0.05–0.08 | Flux measurement (Levine et al. 1984) |
| GX 339-4... | 4U 1658-48 3A 1659-487 1H 1659-487 V821 Ara | LMXRB | 338.94, -4.33 | 255.71, -48.79 | 4 | 0.05–0.6 | Spectroscopy observations (Dolan et al. 1987; Bouchet et al. 1993; Grabelsky et al. 1995; Nolan et al. 1982); distance (Christian & Swank 1997) |
| GX 349+2... | 4U 1702-36 Sco X-2 | LMXRB | 349.10, 2.75 | 256.44, -36.42 | 5 | 0.05–0.18 | Flux measurement (Levine et al. 1984; Greenhill et al. 1979); distance (Christian & Swank 1997) |
| GX 354-0... | 4U 1728-34 MXB 1728-34 1H 1728-334 3A 1728-337 | LMXRB | 354.30, -0.15 | 262.99, -33.83 | · · · | 0.05–0.2 | Low-energy spectroscopy (Claret et al. 1994; Cook et al. 1991b); flux measurement (Levine et al. 1984) |
| GX 359+2... | · · · | LMXRB | 359.57, 1.56 | 264.65, -28.48 | · · · | 0.05–0.18 | Flux measurement (Levine et al. 1984) |
| GX 5-1... | 4U 1758-25 2S 1758-25 1H 1758-250 | LMXRB | 5.08, -1.02 | 270.28, -25.08 | 9 | 0.05–0.18 | Flux measurement (Levine et al. 1984); spectrum (Beurle et al. 1984); distance (Christian & Swank 1997) |
| GX 9+1... | 4U 1758-20 2S 1758-205 1H 1758-205 Sgr X-3 | LMXRB | 9.08, 1.10 | 270.38, -20.53 | 7 | 0.05–0.08 | Flux measurement (Levine et al. 1984); distance (Christian & Swank 1997) |
| H0614+091... | 4U 0614+09 2S 0614+091 3A 0614+091 | LMXRB | 200.88, -3.36 | 94.28, 9.14 | 5 | 0.05–0.08 | Flux measurement (Levine et al. 1984); distance (Christian & Swank 1997) |
| H0918-549... | 4U 0919-54 2S 0918-549 | LMXRB | 275.85, -3.84 | 140.11, -55.21 | 15 | 0.05–0.08 | Flux measurement (Levine et al. 1984); distance (Christian & Swank 1997) |
| H1145-619... | 4U 1145-61 2S 1145-619 3A 1145-619 2E 1145.5-6155 | HMXRB | 295.61, -0.24 | 177.00, -62.21 | 1.5 | 0.05–0.08 | Flux measurement (Levine et al. 1984); distance (Jones, Chetin, & Miller 1974) |
| H1254-690... | 4U 1254-69 2E 1254.3-6900 | Accretor | 303.48, -6.42 | 194.41, -69.29 | 12 | 0.05–0.06 | Low-energy flux (Coe et al. 1976b); distance (Christian & Swank 1997) |
| H1417-624... | 4U 1416-62 3A 1417-624 2S 1417-624 | HMXRB | 313.02, -1.60 | 215.30, -62.70 | · · · | 0.05–0.12 | Flux measurement (Levine et al. 1984); monitoring observations (Finger, Wilson, & Chakrabarty 1996b) |
| H1517+656... | · · · | Quasar | 102.87, 45.24 | 229.03, 65.84 | · · · | 0.05–0.15 | Detection of low-energy gamma-rays (McNaron-Brown et al. 1995) |
| H1538-522... | GX 327+05.5 4U 1538-52 2S 1538-522 NOR X-2 | HMXRB | 327.42, 2.16 | 235.60, -52.39 | 5.5 ± 1.5 | 0.05–0.08 | Flux measurement (Levine et al. 1984); distance (Crampton, Hutchings, & Cowley 1978) |
| H1608-522... | 4U 1608-52 2S 1608-523 GX 331-01 QX Nor | LMXRB | 330.93, -0.85 | 243.18, -52.42 | 4 | 0.02–0.20 | Detection of low-energy outburst (Zhang et al. 1996b); distance (Christian & Swank 1997) |
| H1624-490... | 4U 1624-49 2S 1624-49 3A 1624-490 | LMXRB | 334.91, -0.27 | 247.02, -49.20 | 15 | 0.05–0.08 | Flux measurement (Levine et al. 1984); distance (Christian & Swank 1997) |
| H1636-536... | 4U 1636-53 2S 1636-536 3A 1636-536 | LMXRB | 332.91, -4.82 | 250.23, -53.75 | 6.5 | 0.05–0.08 | Flux measurement (Levine et al. 1984); distance (Christian & Swank 1997) |
| H1658-298... | 4U 1704-30 3A 1658-298 V2134 Oph | LMXRB | 353.83, 7.27 | 255.53, -29.95 | · · · | 0.05–0.08 | Flux measurement (Levine et al. 1984) |
| H1705-250... | 3A 1705-250 Nova Oph 1977 V2107 Oph | LMXRB | 358.59, 9.06 | 257.06, -25.09 | 6 | 0.05–0.2 | Low-energy spectral observation (Wilson & Rothschild 1983); distance (Remillard et al. 1996) |
| H1705-440... | 4U 1705-44 2S 1705-44 EXO 1705-440 | LMXRB | 343.32, -2.34 | 257.23, -44.10 | 11 | 0.05–0.08 | Flux measurements (Levine et al. 1984; Barret et al. 1996); distance (Christian & Swank 1997) |
| H1743-322... | · · · | LMXRB | 357.13, -1.61 | 266.26, -32.23 | · · · | 0.05–0.18 | Flux measurement (Levine et al. 1984) |
| H1745-203... | · · · | LMXRB | 7.72, 3.79 | 267.22, -20.37 | · · · | 0.05–0.08 | Flux measurement (Levine et al. 1984) |
| H1755-338... | Sco X-6 4U 1755-33 2S 1755-33 V4134 Sgr | LMXRB | 357.22, -4.87 | 269.67, -33.81 | 6 | 0.05–0.08 | Flux measurement (Levine et al. 1984); distance (Christian & Swank 1997) |
| H1820-303... | SGR X-4 4U 1820-30 3A 1820-303 2S 1820-303 | LMXRB | 2.79, -7.91 | 275.92, -30.36 | 6.4 | >0.18 | Low-energy gamma-ray emission (Jayanthi, Jablonski, & Steiner 1989); distance (Christian & Swank 1997) |
| H1907+097... | 4U 1907+09 1M 1906+097 3A 1907+097 | HMXRB | 43.74, 0.48 | 287.41, 9.83 | 2.4-5.9 | 0.05–0.10 | Flux measurements (Levine et al. 1984); spectrum (Chinis et al. 1993); distance (van Kerkwijk, van Oijen, & van den Heuvel 1989) |
| Her X-1... | 4U 1656+35 2A 1655+353 H1656+354 | LMXRB | 58.20, 37.52 | 254.46, 35.34 | · · · | 0.5–0.06 >200000 | Low-energy spectrum (Gruber et al. 1980; Wilson et al. 1994a; Matt et al. 1990); discussion of possible TeV emission (Reynolds et al. 1993; Vishwanath et al. 1989) |
| IC 4329A... | 1H 1345-300 | Seyfert 1 | 317.50, 30.92 | 207.33, -30.31 | 0.016 | 0.05–0.15 | Gamma-ray spectrum (Madejski et al. 1995) |
| KS 1731-260... | · · · | LMXRB | 1.06, 3.65 | 263.55, -26.10 | · · · | 0.05–0.15 | Low-energy spectrum (Barret et al. 1992b) |
| LMC... | 2EG J0532-6914 | Galaxy | 280.47, -32.89 | 80.90, -69.75 | 52 | >100 | High-energy emission (Sreekumar et al. 1992); distance (Di Benedetto 1997) |
| LMC X-4... | 1A 0532-66 1H 0534-667 4U 0532-66 | HMXRB | 276.34, -32.53 | 83.21, -66.37 | 52 | 0.05–0.08 | Flux measurement (Levine et al. 1984); distance based on LMC |
| MCG +8-11-11... | 1H 0551+463 | Seyfert 1 | 165.73, 10.41 | 88.72, 46.44 | 0.021 | 0.05–0.15 | Low-energy spectra (Mushotzky et al. 1978; Frontera et al. 1979b) |
| MCG -5-23-16... | EQ 0945-307 | Seyfert 2 | 262.74, 17.23 | 146.92, -30.95 | 0.008 | 0.05–0.15 | Spectrum (Rothschild et al. 1983); flux measurement(Johnson et al. 1993) |
| MCG -6-30-15... | EQ 1333-340 | Seyfert 1 | 313.29, 27.68 | 203.98, -34.30 | 0.07 | 0.05–0.15 | Low-energy gamma-ray emission (Johnson et al. 1994) |
| MRK 279... | 1H 1350+696 QSO 1351+695 | Seyfert 1 | 115.04, 46.87 | 208.26, 69.31 | 0.029 | 0.05–0.15 | Low-energy gamma-ray emission (Johnson et al. 1994; Rothschild et al. 1983) |
| MRK 421... | QSO 1101+386 2EG 1104+3812 1H 1104+382 2E 1101.6+3828 | Quasar | 179.83, 65.03 | 166.11, 38.21 | 0.031 | >100 >500000 | Original high-energy detection (Lin et al. 1993); TeV flare (Kerrick et al. 1995); multiwavelength observations (Macomb et al. 1995) |
| MRK 463... | IRAS F13536+1836 | Seyfert 2 | 5.81, 72.74 | 209.01, 18.37 | 0.0505 | 0.05–0.1 | Gamma-ray flux (Bassani et al. 1996) |
| MRK 501... | 4U 1651+39 H1652+398 QSO 1652+398 RX J16538+3945 2E 1652.1+3950 | BL Lac | 63.60, 38.86 | 253.47, 39.76 | 0.033 | >300000 | Discovery of TeV emission (Quinn et al. 1996) |
| MRK 509... | 1H 2041-108 3A 2041-107 | Seyfert 1 | 35.97, -29.86 | 311.04, -10.72 | 0.034 | 0.05–0.15 | Low-energy gamma-ray emission (Johnson et al. 1994; Dil et al. 1981) |
| NGC 1275... | PER A | Seyfert 2 | 150.58, -13.26 | 49.95, 41.51 | 0.018 | 0.05–0.20 | Gamma-ray spectrum (Rothschild et al. 1981; Matt et al. 1990; Ubertini et al. 1984; Johnson et al. 1994); |
| NGC 253... | PKS 0045-25 RX J00475-2517 2E 0045.1-2533 1Jy 0045-25 | Galaxy | 97.30, -87.96 | 11.89, -25.29 | 0.000817 | 0.05–0.165 | Low-energy continuum emission (Bhattacharya et al. 1994); high-energy upper limits related to cosmic-ray acceleration in supernovae (Paglione et al. 1996) |
| NGC 3783... | 1H 1135-372 | Seyfert 1 | 287.46, 22.95 | 174.76, -37.74 | 0.011 | 0.05–0.15 | Low-energy gamma-ray emission (Johnson et al. 1994; Rothschild et al. 1983) |
| NGC 4151... | H1208+396 | Seyfert 1.5 | 155.08, 75.06 | 182.64, 39.41 | 0.003 | 0.05–0.56 | Review of high-energy observations (Perotti et al. 1991); pair model including reprocessing (Coppi & Zdziarski 1992); generalized Compton model (Titarchuk & Mastichiadis 1994); combined nonthermal/thermal model (Zdziarski, Lightman & Maciolek-Niedzwiecki1993); gamma-ray spectroscopy (Frontera et al. 1979b; Baity et al. 1984; Maisack et al. 1993; Churazov et al. 1994) |
| NGC 4388... | MCG+02-32-041 | Seyfert 2 | 279.18, 74.34 | 186.45, 12.65 | 0.008 | 0.05–0.15 | Spectroscopy (Dil et al. 1981); flux measurements (Johnson et al. 1994; Lebrun et al. 1992) |
| NGC 4507... | EQ 1232-396 | Seyfert 2 | 299.64, 22.86 | 188.90, -39.91 | 0.013 | 0.05–0.20 | Gamma-ray spectrum (Bassani et al. 1995) |
| NGC 5506... | 1E 1410.6-0258 4U 1410-03 2A 1410-029 1H 1408-031 | Seyfert 2 | 339.15, 53.81 | 213.31, -3.21 | 0.006 | 0.05–0.1 | Gamma-ray flux (Bassani et al. 1996) |
| NGC 5548... | H1415+253 | Seyfert 1.5 | 31.96, 70.50 | 214.50, 25.13 | 0.017 | 0.05–0.15 | Spectrum (Rothschild et al. 1983); flux measurement (Johnson et al. 1994) |
| NGC 6814... | QSO 1939-104 | Seyfert 1 | 29.35, -16.01 | 295.67, -10.32 | 0.005 | 0.05–0.15 | Low-energy gamma-ray emission (Johnson et al. 1994) |
| NGC 7582... | PKS 2315-426 | Seyfert 2 | 348.08, -65.70 | 349.60, -42.37 | 0.005 | 0.05–0.15 | Flux measurement (Johnson et al. 1994) |
| Nova Muscae 1991... | GRS 1124-68 | LMXRB | 295.30, -7.07 | 171.61, -68.68 | >4 | 0.05–0.3 | Peak flux and spectrum with possible annihilation feature (Goldwurm et al. 1992); distance (King, Harrison, & McNamara 1996) |
| NRAO 190... | 1E 0439.9-0023 QSO 0440-003 2EGS J0442-0033 1Jy 0440-003 | Quasar | 197.20 -28.46 | 70.66, -0.29 | 0.85 | >100 | Flux measurement and identification (Thompson et al. 1996); detection of a gamma-ray flare (McGlynn et al. 1997) |
| OAO 1657-415... | H1657-415 | HMXRB | 344.45, 0.31 | 255.20, -41.67 | · · · | 0.05–0.08 | Flux measurement (Levine et al. 1984; Mereghetti et al. 1991) |
| OJ 287... | QSO 0851+202 2E 0851.9+2018 1Jy 0851+20 | BL Lac | 206.81, 35.82 | 133.70, 20.11 | 0.31 | >100 | High-energy detection and multiwavelength observation (Shrader, Hartman, & Webb 1995) |
| Perseus... | 4U 0316+41 H0316+413 2E 0316.5+4120 | Cluster | 150.58, -13.26 | 49.96, 41.53 | 0.184 | 0.05–0.08 | Flux measurement (Levine et al. 1984) |
| PG 1416-129... | QSO 1416-1256 2E 1416.3-1256 | Quasar | 333.50, 44.43 | 214.76, -13.18 | 0 .129 | 0.05–0.15 | Gamma-ray flux (Staubert & Maisack 1996) |
| PKS 0235+164... | 2EG J0238+1657 2E 0235.8+1624 1Jy 0235+16 | Quasar | 156.77, -39.11 | 39.66, 16.61 | 0.94 | 70–10000 | High-energy flux (Thompson et al. 1995) |
| PKS 0446+112... | 2EG J0450+1122 1Jy 0446+11 | Quasar | 187.43, -20.74 | 72.28, 11.36 | 1.21 | >30 | Flux measurements (Thompson et al. 1995) |
| PKS 0454-234... | 2E 0454.9-2329 1Jy 0454-234 | Quasar | 223.71, -34.90 | 74.26, -23.41 | 1.00 | >100 | Gamma-ray detections (Fichtel et al. 1993; Thompson et al. 1993c) |
| PKS 0528+134... | 2EG J0531+1324 RX J05039+1332 2E 0528.1+1329 1Jy 0528+134 | Quasar | 191.37, -11.01 | 82.73, 13.53 | 2.06 | 0.05–0.15 >0.75 | High-energy spectrum and variability (Hunter et al. 1993a); low-energy spectrum (McNaron-Brown et al. 1995); medium-energy observations (Collmar et al. 1997) |
| PKS 1622-297... | 1Jy 1622-297 | Quasar | 348.82, 13.32 | 246.53, -29.86 | 0.815 | 0.05–0.8 30–4000 | Gamma-ray flare (Mattox et al. 1997) |
| PKS 2155-304... | 1H 2156-304 3A 2156-306 2E 2155.9-3027 | BL Lac | 17.73, -52.25 | 329.72, -30.22 | 0.116 | 0.5–0.15 30–10000 | High-energy emission (Vestrand, Stacy, & Sreekumar 1995); hard X-ray detection (McNaron-Brown et al. 1995) |
| PKS 2209+236... | 2EG J2210+2358 | Quasar | 82.24, -26.09 | 333.03, 23.93 | · · · | >30 | High-energy flux (Thompson et al. 1995); spectral information (Dingus et al. 1996) |
| PSR 1509-58... | Cir Pulsar PSR J1513-5908 | Pulsar | 320.32, -1.16 | 228.48, -59.14 | 6.7 | 0.04–5 | Comparison of gamma-ray and radio pulsations (Ulmer et al. 1993); hint of a detection with COMPTEL (Bennett et al. 1994) |
| PSR B0656+14... | 2E 0656.9+1418 | Pulsar | 201.11, 8.26 | 104.59, 14.24 | 0.76 | >100 | Pulsed high-energy emission (Ramanamurthy et al. 1996) |
| PSR B1055-52... | 2EG J1059-5237 PSR J1057-5226 | Pulsar | 285.98, 6.65 | 164.50, -52.45 | 1.5 | 100–4000 | Pulsed high-energy emission (Fierro et al. 1993) |
| PSR B1259-63... | · · · | HMXRB | 304.18, -0.99 | 195.70, -63.84 | 2 | 0.05–0.2 | Gamma-ray detection (Grove et al. 1995b); distance (Johnston et al. 1994) |
| PSR B1706-44... | 2CG 342-02 2EG J1710-4432 | Pulsar | 343.05, -2.68 | 257.39, -44.52 | 1.5 | 50–10000 >1000000 | Gamma-ray spectroscopy and pulse (Thompson et al. 1996); original detection as 2CG 342-02 (Swanenburg et al. 1981); very high-energy detection of unpulsed emission (Kifune et al. 1995) |
| PSR B1951+32... | · · · | Pulsar | 68.77, 2.82 | 298.24, 32.88 | 1.3 | >100 | Detection of pulsed emission (Ramanamurthy et al. 1995); claims and counterclaims regarding COS B detection (Li et al. 1987; D'Amico et al. 1987) |
| QSO 1424-418... | 2EGS J1429-4224 | Quasar | 321.57, 16.90 | 217.32, -42.40 | 1.52 | >100 | Flux measurement and identification (Thompson et al. 1996) |
| QSO 0130-171... | 2EG J0129-1748 | Quasar | 168.21, -77.18 | 22.39, -17.80 | 1.02 | >100 | High-energy flux (Thompson et al. 1995) |
| QSO 0202+149... | 2EG J0204+1512 4C 15.05 1Jy 0202+14 | Quasar | 147.93, -44.04 | 31.21, 15.24 | 0.833 | >100 | High-energy flux (Thompson et al. 1995) |
| QSO 0208-512... | 2EG J0210-5051 RX J02107-5100 1Jy 0208-512 | Quasar | 276.10, -61.78 | 32.69, -51.02 | 1.00 | 1–3 30–4000 | MeV detection (Blom et al. 1995); high-energy spectrum (Bertsch et al. 1993) |
| QSO 0420-014... | 2EG J0423-0058 RX J04232-0120 2E 0420.7-0127 1Jy 0420-01 | Quasar | 195.29, -33.14 | 65.82, 1.34 | 0.915 | 50–2000 | High-energy spectrum (Radecke et al. 1995); correlative gamma-ray/optical flares and consequences (Wagner et al. 1995a) |
| QSO 0458-020... | 2EG J0458-0122 4C-02.19 2E 0458.6-0203 1Jy 0458-02 | Quasar | 201.45, -25.30 | 75.30, -1.99 | 2.29 | >100 | High-energy flux (Thompson et al. 1995) |
| QSO 0521-365... | 2EG J0524-3630 | BL Lac | 240.61, -32.72 | 80.74, 36.46 | 0.061 | 50–1000 | High-energy spectrum (Lin et al. 1995) |
| QSO 0537-441... | 2EG J0536-4348 RX J05388-4405 2E 0537.3-4406 1Jy 0537-441 | Quasar | 250.08, -31.09 | 84.71, -44.09 | 0.896 | 100–1000 | High-energy spectrum (Thompson et al. 1993b) |
| QSO 0716+714... | 2EG J0720+7126 1H 0717+714 RX J07218+7120 2E 0716.2+7126 1Jy 0716+71 | BL Lac | 143.98, 28.02 | 110.47, 71.34 | 0.30 | 50–1000 | High-energy spectrum (Lin et al. 1995) |
| QSO 0735+178... | 2EG J0737+1725 | BL Lac | 202.09, 17.91 | 114.47, 17.43 | 0.424 | 30–300 | High-energy flux (Thompson et al. 1995; Nolan et al. 1996) |
| QSO 0804+499... | 2EG J0807+4849 1Jy 0804+49 | Quasar | 169.16, 32.56 | 122.17, 49.84 | 1.43 | 30–1000 | High-energy flux (Thompson et al. 1995); Spectrum (Nolan et al. 1996) |
| QSO 0827+243... | 2EG J0831+2403 2E 0827.8+2421 RX J08308+2410 | Quasar | 200.02, 31.88 | 127.72, 24.18 | 2.05 | >100 | Flux measurements (Thompson et al. 1995); spectrum (Nolan et al. 1996) |
| QSO 0829+046... | 2EG J0828+0510 2E 0829.1+0439 | BL Lac | 220.69, 24.33 | 127.95, 4.49 | 0.18 | >100 | High-energy detection (Thompson et al. 1995) |
| QSO 0836+710... | 2EG J0831+7044 4C 71.07 1Jy 0836+71 | Quasar | 143.54, 34.43 | 130.35, 70.90 | 2.17 | 30–1000 | High-energy flux (Thompson et al. 1995); Spectrum (Nolan et al. 1996) |
| QSO 0917+449... | GRO J0916+43 2EG J0917+4420 RX J0920.9+4441 | Quasar | 175.70, 44.82 | 140.24, 44.70 | 2.18 | 30–1000 | Gamma-ray spectrum (Sreekumar et al. 1996) |
| QSO 0954+556... | 2EG J0957+5515 RX J09576+5523 1Jy 0954+556 4C 55.17 | Quasar | 158.60, 47.93 | 149.41, 55.38 | 0.901 | >100 | High-energy flux (Thompson et al. 1995); spectral information (Sreekumar et al. 1996) |
| QSO 0954+658... | GRO J0937+68 2EG J0958+6537 | BL Lac | 145.73, 43.03 | 149.51, 65.63 | 0.367 | 100–1000 | High-energy flux (Thompson et al. 1995); spectral information (Mukherjee et al. 1995) |
| QSO 1127-145... | 2EG J1134-1515 2E 1127.5-1432 1Jy 1127-145 | Quasar | 275.28, 43.64 | 172.53, -14.82 | 1.19 | 100–1000 | High-energy flux (Thompson et al. 1995); spectral information (Sreekumar et al. 1996) |
| QSO 1156+295... | 2EG J1158+2906 RX J11595+2914 4C 29.45 | Quasar | 199.42, 78.38 | 179.88, 29.25 | 0.729 | >100 | High-energy flux (Thompson et al. 1995); spectral information (Sreekumar et al. 1996) |
| QSO 1219+285... | RX J12215+2813 2E 1219.0+2830 W Com 2EGS J1222+2821 | BL Lac | 201.74, 83.29 | 185.38, 28.23 | 0.102 | >100 | High-energy flux (Thompson et al. 1996) |
| QSO 1222+216... | GRO J1222+22 2EG J1224+2155 RX J12249+2122 4C 21.35 | Quasar | 255.07, 81.66 | 186.23, 21.38 | 0.435 | 30–1000 | High-energy flux (Thompson et al. 1995); spectral information (Sreekumar et al. 1996) |
| QSO 1229-021... | 2EG J1230-0254 2E 1229.4-0207 1Jy 1229-02 | Quasar | 293.16, 60.10 | 188.00, -2.40 | 1.04 | 30–1000 | High-energy flux (Thompson et al. 1995); spectral information (Sreekumar et al. 1996) |
| QSO 1313-333... | 2EG J1314-3430 1Jy 1313-333 | Quasar | 308.80, 28.94 | 199.03, -33.65 | 1.21 | >100 | High-energy flux (Thompson et al. 1995); spectral information (Nolan et al. 1996) |
| QSO 1317+520... | 2EG J1314+5151 RX J13197+5148 4C 52.27 | Quasar | 112.63, 64.76 | 199.94, 51.80 | 1.06 | >100 | High-energy flux (Thompson et al. 1995) |
| QSO 1331+170... | 2EG J1330+1652 | Quasar | 348.51, 75.81 | 203.40, 16.82 | 2.10 | >100 | High-energy flux (Thompson et al. 1995) |
| QSO 1406-076... | 2EG J1409-0742 1Jy 1406-076 | Quasar | 333.88, 50.28 | 212.24, -7.87 | 1.49 | >30 | Flux measurements (Thompson et al. 1995); high-energy spectrum (Sreekumar et al. 1996); correlated optical and gamma-ray observations (Wagner et al. 1995b) |
| QSO 1510-089... | 2EG J1513-0857 2E 1510.1-0854 1Jy 1510-08 | Quasar | 351.29, 40.14 | 228.21, -9.10 | 0.36 | 100–300 | High-energy flux (Thompson et al. 1995); spectral information (Sreekumar et al. 1996) |
| QSO 1604+159... | 2EG J1605+1558 4C 15.54 2E 1604.8+1559 | BL Lac | 29.38, 43.41 | 241.78, 15.86 | 0.357 | 100–1000 | High-energy detection (Thompson et al. 1995); spectral information (Sreekumar et al. 1996) |
| QSO 1606+106... | 2EG J1608+1046 RX J16087+1028 2E 1606.3+1036 1Jy 1606+10 4C 10.45 | Quasar | 22.95, 40.87 | 242.00, 10.50 | 1.24 | 30–1000 | Flux measurements (Thompson et al. 1995); high-energy spectrum (Sreekumar et al. 1996) |
| QSO 1611+343... | 2EG J1614+3431 RX J16136+3412 1Jy 1611+343 | Quasar | 55.15, 46.38 | 243.42, 34.21 | 1.4 | >100 | Flux measurements (Thompson et al. 1995); high-energy spectrum (Sreekumar et al. 1996) |
| QSO 1622-253... | 2EG J1626-2452 | Quasar | 352.14, 16.32 | 246.45, -25.46 | 0.786 | >30 | High-energy flux (Thompson et al. 1995) |
| QSO 1633+382... | 4C 38.41 1Jy 1633+38 GRO J1635+38 2EG J1635+3813 | Quasar | 61.09, 42.34 | 248.81, 38.13 | 1.81 | >100 | High-energy spectrum (Mattox et al. 1993) |
| QSO 1730-130... | 2EG J1735-1312 GRO J1730-11 RX J17330-1304 2E 1730.2-1302 | Quasar | 12.03, 10.81 | 263.26, -13.08 | 0.90 | >30 | Flux measurements (Thompson et al. 1995); spectral information (Nolan et al. 1996) |
| QSO 1739+522... | GRO J1742+49 2EG J1739+5152 4C 51.37 RX J17405+5211 2E 1739.5+5213 1Jy 1739+522 | Quasar | 79.56, 31.75 | 265.15, 52.20 | 1.38 | >30 | High-energy flux (Thompson et al. 1995); spectral information (Nolan et al. 1996) |
| QSO 1908-201... | 2EG J1911-1945 GRO J1911-20 | Quasar | 16.87 -13.22 | 287.79, -20.12 | · · · | >30 | Flux measurements (Thompson et al. 1995); spectral information (Dingus et al. 1996) |
| QSO 1933-400... | 2EG J1934-4014 RX J19372-3958 1Jy 1933-400 | Quasar | 359.16, -25.37 | 294.32, -39.97 | 0.966 | >30 | Flux measurements (Thompson et al. 1995); spectral information but possible alternative identification (Dingus et al. 1996) |
| QSO 2005-489... | RX J20094-4849 1Jy 2005-489 GEV J2009-4827 | BL Lac | 350.37, -32.60 | 302.35, -48.83 | 0.071 | >100 | Review of high-energy observations (Lin et al. 1997) |
| QSO 2022-077... | 2EG J2023-0836 | Quasar | 36.90, -24.38 | 306.42, -7.59 | 0.697 | >30 | Flux measurements (Thompson et al. 1995); high-energy spectrum (Dingus et al. 1996) |
| QSO 2052-474... | 2EG J2058-4657 | Quasar | 352.59, -40.38 | 314.07, -47.25 | 1.49 | >100 | High-energy spectrum (Lin et al. 1995) |
| QSO 2200+420... | QSO 2200+420 1Jy 2200+420 2E 2200.6+4202 | BL Lac | 92.59, -10.44 | 330.68, 42.28 | 0.069 | >100 | Gamma-ray spectrum (Catanese et al. 1997) |
| QSO 2356+196... | 2EG J0000+2041 | Quasar | 106.38 -41.25 | 359.69, 19.92 | 1.07 | >100 | High-energy flux (Thompson et al. 1995) |
| Rho Oph... | 2CG 353+16 | Molecular cloud | 353.22, 16.53 | 247.03, -24.54 | · · · | >100 | Recent gamma-ray observations (Hunter et al. 1994) |
| Sco X-1... | H1617-155 4U 1617-15 3A 1617-155 | LMXRB | 359.09, 23.78 | 244.98, -15.64 | 1.3 | 0.05–0.3 | Low-energy spectroscopy (Haymes et al. 1972); flux measurements (Greenhill et al. 1979; Soong & Rothschild 1983); distance (Christian & Swank 1997) |
| SCT X-1... | 1A 1829-06 1H 1832-076 | HMXRB | 24.46, -0.16 | 279.12, -7.61 | · · · | 0.05–0.08 | Flux measurements (Levine et al. 1984) |
| SGR 1806-20... | · · · | SGR | 9.97 -0.25 | 272.15, -20.44 | 14.5 | 0.5–0.15 | Burst detection (Kouveliotou et al. 1987); identification with SNR 10.0-0.3 (Kulkarni & Frail 1993); distance (Corbel et al. 1997) |
| SGR 1900+14... | · · · | SGR | 46.70, 4.01 | 285.58, 14.07 | · · · | 0.05–0.30 | Recent burst spectroscopy (Kouveliotou et al. 1993), possible X-ray counterpart (Vasisht et al. 1994) |
| SLX 1735-269... | · · · | Accretor | 0.81, 2.46 | 264.52, -26.95 | · · · | 0.05–0.15 | Gamma-ray spectrum and variability (Goldwurm et al. 1996) |
| SMC X-1... | 4U 0115-73 2A 0116-737 1E 0115.5-7342 | HMXRB | 300.41, -43.56 | 19.27, -73.44 | 65 | 0.05–0.08 | Flux measurement (Levine et al. 1984); spectrum (Kunz et al. 1993); distance defined as SMC distance (Wang & Wu 1992) |
| SMC X-3... | H0050-727 3A 0049-726 2S 0050-727 | HMXRB | 302.86, -44.69 | 13.03, -72.44 | 65 | 0.05–0.08 | Flux measurement (Levine et al. 1984); distance defined as SMC distance (Wang & Wu 1992) |
| SN 1987A... | · · · | Supernova | 279.70, -31.94 | 83.87, -69.27 | 51.1 | 0.05–0.3 0.8471.238 | Low-energy continuum spectrum (Palmer et al. 1993; Ubertini et al. 1989); low energy flux measurements (Sunyaev et al. 1987a); detections of line emission (Tueller et al. 1990; Matz et al. 1988; Sandie et al. 1988); distance (Panagia et al. 1991) |
| SN 1993J... | · · · | Supernova | 142.15, 40.92 | 148.85, 69.02 | 6360 | 0.05–0.15 | Low-energy continuum emission (Leising et al. 1994) |
| SS 433... | 1H 1908+047 1A 1909+04 4U 1908+05 V1343 Aql | HMXRB | 39.69, -2.24 | 287.96, 4.98 | 4.85 | 1–2 | Possible MeV line emission (Lamb et al. 1983); distance (Vermeulen et al. 1993) |
| TRA X-1... | A 1524-62 2S 1524-617 | LMXRB | 320.32, -4.43 | 232.07, -61.88 | 4.4 | 0.05–0.1 | Spectral observation (Barret et al. 1992a); distance (Christian & Swank 1997) |
| Vela Pulsar... | PSR B0833-45 2EG J0835-4513 4U 0833-45 | Pulsar | 263.55, -2.79 | 128.84, -45.18 | 0.5 | 0.05–0.6 1–3000 | Peak separation as a function of energy (Ramanamurthy 1994); spectral variability (Grenier, Hermsen, & Clear 1988; Grenier et al. 1993) |
| Vela X-1... | H0900-403 4U 0900-40 3A 0900-403 | HMXRB | 263.06, 3.93 | 135.28, -40.55 | 2 | 0.05–0.7 >300000 | Low-energy spectra (Bautz et al. 1983; Staubert et al. 1980); TeV emission (Raubenheimer et al. 1994; Carraminana et al. 1989); distance (Sadakane et al. 1985) |
| Virgo Cluster... | H1228+125 | Galaxy cluster | 281.63, 75.18 | 187.50, 13.20 | 0.0038 | 0.05–0.08 | Flux measurement (Levine et al. 1984) |
| X 1732-304... | CL TERZAN 1 | Accretor | 357.56, 0.9 | 263.95, -30.48 | 10 | 0.05–0.075 | Gamma-ray detection (Borrel et al. 1996) |