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IXPE Cycle 3 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 3 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. XRISM: Approved XRISM 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 Name RA Dec Exclusive Use IXPE Time XRISM NuSTAR Swift
3001 V 0332+53 T MEDIUM SERGEY TSYGANKOV 53.74962 53.17314 6 600 0 0 0
3001 4U 0115+63 t MEDIUM SERGEY TSYGANKOV 19.63321 63.74253 0 0 0 0
3001 GRO J1744-28 t MEDIUM SERGEY TSYGANKOV 266.13788 -28.74083 0 0 0 0
3001 GRO J1008-57 t MEDIUM SERGEY TSYGANKOV 152.44567 -58.29322 0 0 0 0
3001 1A 0535+262 t MEDIUM SERGEY TSYGANKOV 84.72737 26.31578 0 0 0 0
3001 KS 1947+300 t MEDIUM SERGEY TSYGANKOV 297.39783 30.20883 0 0 0 0
3003 LS I +61 303 A PHILIP KAARET 40.13196 61.22933 718 0 0 0
3016* CRAB PULSAR A ROGER ROMANI 83.63312 22.0145 700* 0 0 0
3031 H1743-322 T MEDIUM JAMES STEINER 266.565 -32.23358 2 200 0 20 10
3031 H1743-322 T LOW JAMES STEINER 266.565 -32.23358 120 0 20 10
3036 MRK 421 T MEDIUM OLIVIER HERVET 166.11375 38.20883 150 0 0 40
3079 SS 433 E2 A PHILIP KAARET 288.54271 4.93736 1000 0 0 0
3089 1E 1145.1-6141 C ALEXANDER SALGANIK 176.869 -61.95372 6 400 0 0 0
3090 GX 1+4 C ALEXANDER SALGANIK 263.00896 -24.74558 6 400 0 0 0
3091 NGC 4151 T HIGH VITTORIA GIANOLLI 182.63575 39.40586 900 0 75 33
3092 NGC 5548 C VITTORIA GIANOLLI 214.49808 25.13683 1200 0 0 0
3101 GRS 1915+105 T MEDIUM KARRI KOLJONEN 288.79817 10.94581 100 0 0 0
3111 BH XRB T MEDIUM MELISSA EWING 0 0 6 300 0 20 0
3112 VELA JR. NW C DMITRY PROKHOROV 132.24 -45.65 1000 0 0 0
3129 ACCRETING MSP T MEDIUM ALESSANDRO PAPITTO 0 0 6 900 0 80 0
3133 RCW86 NE C STEFANO SILVESTRI 221.2375 -62.28333 1000 0 0 0
3134 CYG X-1 C VADIM KRAVTSOV 299.59033 35.20161 6 500 0 0 0
3140 ARK 564 L FRANCESCO URSINI 340.66392 29.72536 1700 0 100 0
3156 1E 1841-045 A ROBERTO TAVERNA 280.33038 -4.9365 700 0 0 0
3171 T CRB T HIGH MANEL ERRANDO 239.87567 25.92017 3 500 0 0 0
3175 1ES 1959+650 A LUIGI PACCIANI 299.99938 65.14853 3 320 0 0 0
3185 4U 1538-52 C VLADISLAV LOKTEV 235.6 -52.386 360 0 0 0
3207 V404 CYG T MEDIUM SUDIP CHAKRABORTY 306.01596 33.86722 6 300 0 0 0
3207 V4641 SGR t MEDIUM SUDIP CHAKRABORTY 274.84013 -25.40717 0 0 20 0
3208 HER X-1 T LOW HERMAN MARSHALL 254.45754 35.34236 6 750 45 0 0
3213 XB 1254-690 C ALESSANDRO DI MARCO 194.40492 -69.28861 6 400 0 0 0
3215 1E 1547.0-5408 L GEORGE YOUNES 237.7255 -54.30669 1501 0 0 0
3220 PKS 0548-322 A ANUVAB BANERJEE 87.66904 -32.27125 1200 0 0 0
3224 MRK 501 L STEVEN EHLERT 253.46758 39.76017 500 0 0 0
3224 MRK 501 L STEVEN EHLERT 253.46758 39.76017 500 0 0 0
3224 MRK 501 L STEVEN EHLERT 253.46758 39.76017 500 0 0 0
3224 MRK 501 L STEVEN EHLERT 253.46758 39.76017 500 0 0 0
3226 1ES 0502+675 C MAITREYA KUNDU 76.984 67.62339 350 0 0 0
3234 FAIRALL 51 C CHIEN-TING CHEN 281.22496 -62.36469 1000 0 0 0
3238 1H 0707-495 C MAYUKH PAHARI 107.17288 -49.55175 800 0 0 0
3239 MCG-06-30-15 A INDRANI PAL 203.97404 -34.29561 1200 0 0 0
3250 MRK 421 A MANEL ERRANDO 166.11379 38.20883 3 515 0 0 0
3250 MRK 501 a MANEL ERRANDO 253.46758 39.76017 0 0 0 0
3252 SOFT-STATE BHXB T MEDIUM SWATI RAVI 0 0 6 450 0 20 2
3252 SOFT-STATE BHXB T LOW SWATI RAVI 0 0 950 0 20 2
3257 V1223 SGR A NAZMA ISLAM 283.759 -31.163 6 500 0 0 0
3258 GRS 1915+105 T MEDIUM EDWARD NATHAN 288.79817 10.94581 250 0 20 0
3258 GRS 1915+105 T MEDIUM EDWARD NATHAN 288.79817 10.94581 400 0 20 0
3258 GRS 1915+105 T MEDIUM EDWARD NATHAN 288.79817 10.94581 300 0 20 0
3260 CEN X-3 A RANDY LOBERGER 170.31271 -60.62389 6 470 0 40 0
3261 4U 1916-053 A DAVID BOGENSBERGER 289.69842 -5.23819 620 0 0 0

* denotes multi-cycle proposal