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IXPE Cycle 2 Recommended Targets


Recommended Targets sorted by proposal number, click here to sort by RA.

Definition of Columns
  1. Prop: Proposal number assigned by the IXPE mission.
  2. Target: Target name as listed on proposal forms, in some cases modified for clarity.
  3. Category: L indicates a Large Program. Categories A or C were assigned during the Cycle 1 peer review. ToO targets are indicated as T and are also category A for regular programs. If the category letter is not capitalized, e.g., "t" this indicates alternative targets, i.e. no additional time is granted. Category A targets are guaranteed to be observed. The IXPE project expects to be able to observe ~50% of Category C targets.
  4. ToO Response: ToO Response Priority for a trigger.
  5. PI: Principal Investigator's name.
  6. RA: Right Ascension (equinox J2000) in degrees.
  7. Dec: Declination (equinox J2000) in degrees.
  8. Exclusive Use: Exclusive use period, if granted, in months
  9. IXPE Time: Total IXPE observing time recommended in ksec.
  10. NICER: Approved NICER exposure time (in ksec) through IXPE review.
  11. NuSTAR: Approved NuSTAR exposure time (in ksec) through IXPE review.
  12. Swift: Approved Swift exposure time (in ksec) through IXPE review.
Prop Target Category ToO Response PI RA DEC Exclusive Use IXPE Time [ks] NICER NuSTAR Swift
2003 MCG-5-23-16 A FREDERIC MARIN 146.91733 -30.94872 510 0 0 0
2006 1ES 1959+650 T HIGH LAURA DI GESU 299.99938 65.14853 3 200 0 0 0
2006 MRK 501 t HIGH LAURA DI GESU 253.46758 39.76017 3 0 0 0 0
2006 1ES 0033+595 t HIGH LAURA DI GESU 8.96896 59.8345 3 0 0 0 0
2006 1ES 1011+496 t HIGH LAURA DI GESU 153.76725 49.43353 3 0 0 0 0
2006 MRK 421 t HIGH LAURA DI GESU 166.11379 38.20883 3 0 0 0 0
2006 1ES 1218+304 t HIGH LAURA DI GESU 185.34142 30.177 3 0 0 0 0
2013 CRAB PULSAR C ROGER ROMANI 83.63312 22.0145 900 0 0 0
2014 THE LIGHTHOUSE NEBULA A ROGER ROMANI 165.38375 -61.00519 1000 0 0 0
2017 GRS 1915+105 T MEDIUM KARRI KOLJONEN 288.79817 10.94581 100 0 0 0
2022 SS 433 WEST A PHILIP KAARET 287.67204 5.03247 6 1000 0 0 0
2030 GX 1+4 C ALEXANDER SALGANIK 263.00896 -24.74558 6 400 0 0 0
2036 LSP/ISP BLAZAR T MEDIUM SVETLANA JORSTAD 0 0 900 0 20 14
2037 NGC 5506 A DANIELE TAGLIACOZZO 213.31208 -3.2075 1000 0 50 0
2041 1A 0535+262 T MEDIUM SERGEY TSYGANKOV 84.72737 26.31578 6 400 0 0 0
2067 PG 1553+113 A RICCARDO MIDDEI 238.92933 11.19011 360 0 0 0
2081 4U 1812-12 A ANTONELLA TARANA 273.77562 -12.09631 650 0 0 0
2093 UW CRB C THOMAS MACCARONE 241.44112 25.86258 500 0 0 0
2095 1ES 1927+654 C DHEERAJ PASHAM 291.83142 65.565 800 0 0 0
2098 4U 1630-47 T MEDIUM JAMES STEINER 248.50671 -47.393 2 300 7 0 0
2102 SWIFT J0243.6+6124 T MEDIUM HONGHUI LIU 40.91846 61.43439 300 0 0 0
2103 KES 75 A JOSEPHINE WONG 281.60392 -2.97503 500 0 0 0
2111 CIR X-1 A FABIO LA MONACA 230.17021 -57.16672 3 350 0 0 0
2111 CIR X-1 A FABIO LA MONACA 230.17021 -57.16672 3 150 0 0 0
2114 RX J1713.7-3946 C RICCARDO FERRAZZOLI 257.96304 -39.95211 1000 0 0 0
2121 4U 0614+091 A ALESSANDRO DI MARCO 94.28067 9.13708 3 150 10 20 0
2138 ACCRETING MSP T MEDIUM ALESSANDRO PAPITTO 0 0 6 900 0 0 0
2142 SS 433 A PAOLO SOFFITTA 287.9565 4.98272 500 10 30 0
2147 GX 13+1 A ALESSANDRO DI MARCO 273.63146 -17.15742 150 0 0 0
2151 H 1743-322 T MEDIUM JAMES STEINER 266.565 -32.23358 2 200 5 20 0
2151 H 1743-322 T LOW JAMES STEINER 266.565 -32.23358 2 120 5 20 0
2152 NGC 3227 C SUDIP CHAKRABORTY 155.87742 19.86508 800 0 0 0
2153 T CRB T HIGH MANEL ERRANDO 239.87567 25.92017 6 500 0 0 0
2154 4U 1822-37 A ALESSIO ANITRA 276.44508 -37.10514 500 50 80 0
2156 AQL X-1 T MEDIUM YASH BHARGAVA 287.81692 0.58497 300 8 20 0
2156 AQL X-1 T MEDIUM YASH BHARGAVA 287.81692 0.58497 100 2 20 0
2157 4U 1700-377 A KAITO NINOYU 255.98654 -37.84414 150 0 0 0
2158 PERSEUS CLUSTER L STEVEN EHLERT 49.94671 41.51311 2500 0 0 0
2162 EXO 0748-676 C SAYANTAN BHATTACHARYA 117.14046 -67.75214 260 0 0 0
2176 CANDIDATE NU BLAZAR T MEDIUM QI FENG 0 0 200 0 0 0
2184 GRS 1915+105 A AJAY RATHEESH 288.79817 10.94581 150 15 30 0
2186 FAIRALL 51 C ROMANA MIKUSINCOVA 281.22496 -62.36469 1000 0 0 0
2189 RELATIVISTIC_TDE T MEDIUM DHEERAJ PASHAM 0 0 150 45 0 0
2190 MRK 421 T MEDIUM OLIVIER HERVET 166.11375 38.20883 150 0 0 28
2191 4U 1630-47 T MEDIUM MAXIME PARRA 248.50671 -47.393 165 15 20 0
2191 H 1743-322 t MEDIUM MAXIME PARRA 266.56496 -32.23356 0 0 0 0
2191 GRO J1655-40 t MEDIUM MAXIME PARRA 253.50054 -39.84556 0 0 0 0
2191 IGR J17091-3624 t MEDIUM MAXIME PARRA 257.28171 -36.40714 0 0 0 0
2191 WIND EMITTING BHLMXB t MEDIUM MAXIME PARRA 0 0 0 0 0 0
2211 AT 2019WEY C SUDIP CHAKRABORTY 68.847 55.37617 210 0 0 0
2219 1E 1547.0-5408 C GEORGE YOUNES 237.7255 -54.30669 6 1000 0 0 0
2226 EX HYDRAE A SEAN GUNDERSON 193.10092 -29.24889 300 0 0 0
2239 GS 1826-24 T LOW MASON NG 277.3675 -23.79689 630 0 0 0