IXPE Cycle 1 Recommended Targets
Recommended Targets sorted by proposal number, click here to sort by RA.
Definition of Columns
- Prop: Proposal number assigned by the IXPE mission.
- Target: Target name as listed on proposal forms, in some cases modified for clarity.
- PI: Principal Investigator's name.
- RA: Right Ascension (equinox J2000) in degrees.
- Dec: Declination (equinox J2000) in degrees.
- Time: Total observing time recommended in ksec.
- 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.
- NICER: Approved NICER exposure time through IXPE review.
prop_num |
target_name |
PI_Last_Name |
PI_First_Name |
ra |
dec |
Rec Time |
Priority |
nicer_time_req [ ks ] |
Exclusive use |
1009.0 |
GRS 1915+105 |
KOLJONEN |
KARRI |
288.79817 |
10.94581 |
100.0 |
T |
|
|
1031.0 |
1ES 1101-232 |
TAVECCHIO |
FABRIZIO |
165.90671 |
-23.492 |
200.0 |
A |
|
|
1031.0 |
RGB J0710+591 |
TAVECCHIO |
FABRIZIO |
107.62529 |
59.139 |
300.0 |
A |
|
|
1039.0 |
SN1006SW |
SLANE |
PATRICK |
225.50833 |
-42.08222 |
1000.0 |
A |
|
|
1043.0 |
MRK 501 |
LIODAKIS |
IOANNIS |
253.46754 |
39.76017 |
400.0 |
A |
|
6 months |
1045.0 |
1ES 0033+595 |
DI GESU |
LAURA |
8.96896 |
59.8345 |
0.0 |
t |
|
2 months |
1045.0 |
MRK 421 |
DI GESU |
LAURA |
166.11379 |
38.20883 |
0.0 |
t |
|
2 months |
1045.0 |
MRK 501 |
DI GESU |
LAURA |
253.46758 |
39.76017 |
0.0 |
t |
|
2 months |
1045.0 |
1ES 1959+650 |
DI GESU |
LAURA |
299.99938 |
65.14853 |
200.0 |
T |
|
2 months |
1045.0 |
1ES 1218+304 |
DI GESU |
LAURA |
185.34142 |
30.177 |
0.0 |
t |
|
2 months |
1045.0 |
1ES 1011+496 |
DI GESU |
LAURA |
153.76725 |
49.43353 |
0.0 |
t |
|
2 months |
1047.0 |
3C58 |
BUCCIANTINI |
NICCOLO' |
31.40833 |
64.82806 |
1000.0 |
C |
|
|
1050.0 |
GX 9+1 |
URSINI |
FRANCESCO |
270.38458 |
-20.52889 |
20.0 |
A |
10.0 |
|
1050.0 |
SER X-1 |
URSINI |
FRANCESCO |
279.98983 |
5.036 |
40.0 |
A |
10.0 |
|
1050.0 |
4U 1735-44 |
URSINI |
FRANCESCO |
264.74267 |
-44.45019 |
40.0 |
A |
10.0 |
|
1050.0 |
GX 3+1 |
URSINI |
FRANCESCO |
266.98329 |
-26.56361 |
50.0 |
A |
10.0 |
|
1051.0 |
4U 1907+09 |
DUCCI |
LORENZO |
287.40475 |
9.83203 |
250.0 |
C |
|
6 months |
1066.0 |
GX 13+1 |
KASHYAP |
UNNATI |
273.63146 |
-17.15742 |
100.0 |
C |
|
|
1066.0 |
GX 17+2 |
KASHYAP |
UNNATI |
274.00579 |
-14.03628 |
100.0 |
C |
|
|
1066.0 |
GX 349+2 |
KASHYAP |
UNNATI |
256.43538 |
-36.42308 |
100.0 |
C |
|
|
1066.0 |
4U 1728-34 |
KASHYAP |
UNNATI |
262.99054 |
-33.83403 |
100.0 |
C |
|
|
1077.0 |
MRK421 |
MARSCHER |
ALAN |
166.11379 |
38.20883 |
800.0 |
A |
|
|
1082.0 |
PSR B1259-63 |
KAARET |
PHILIP |
195.70958 |
-63.80442 |
850.0 |
A |
|
|
1102.0 |
GX 13+1 |
TOMARU |
RYOTA |
273.63146 |
-17.15742 |
100.0 |
A |
10.0 |
|
1102.0 |
V395 CAR |
TOMARU |
RYOTA |
140.6445 |
-63.29483 |
300.0 |
A |
10.0 |
|
1103.0 |
PSR J1023+0038 |
BAGLIO |
MARIA CRISTINA |
155.94867 |
0.64472 |
750.0 |
C |
|
6 months |
1116.0 |
SAX J1808.4-3658 |
PAPITTO |
ALESSANDRO |
272.11475 |
-36.97897 |
900.0 |
T |
|
3 months |
1116.0 |
IGR J00291+5934 |
PAPITTO |
ALESSANDRO |
7.26275 |
59.57194 |
0.0 |
t |
|
3 months |
1116.0 |
MAXI J1816-195 |
PAPITTO |
ALESSANDRO |
274.22 |
-19.51111 |
0.0 |
t |
|
3 months |
1116.0 |
SWIFT J1749.4-2807 |
PAPITTO |
ALESSANDRO |
267.38308 |
-28.13494 |
0.0 |
t |
|
3 months |
1116.0 |
IGR J17511-3057 |
PAPITTO |
ALESSANDRO |
267.78563 |
-30.96158 |
0.0 |
t |
|
3 months |
1116.0 |
PSR J1023+0038 |
PAPITTO |
ALESSANDRO |
155.94867 |
0.64472 |
0.0 |
t |
|
3 months |
1124.0 |
GX 339-4 |
MASTROSERIO |
GUGLIELMO |
255.70579 |
-48.78969 |
100.0 |
T |
15.0 |
6 months |
1124.0 |
GX 339-4 |
MASTROSERIO |
GUGLIELMO |
255.70579 |
-48.78969 |
150.0 |
T |
10.0 |
6 months |
1124.0 |
GX 339-4 |
MASTROSERIO |
GUGLIELMO |
255.70579 |
-48.78969 |
100.0 |
T |
5.0 |
6 months |
1140.0 |
4U 1630-47 |
PARRA |
MAXIME |
248.50671 |
-47.393 |
0.0 |
t |
10.0 |
|
1140.0 |
H 1743-322 |
PARRA |
MAXIME |
266.56496 |
-32.23356 |
0.0 |
t |
10.0 |
|
1140.0 |
GRO J1655-40 |
PARRA |
MAXIME |
253.50054 |
-39.84581 |
0.0 |
t |
10.0 |
|
1140.0 |
IGR J17091-3624 |
PARRA |
MAXIME |
257.28171 |
-36.40714 |
105.0 |
T |
10.0 |
|
1140.0 |
MAXI J1305-704 |
PARRA |
MAXIME |
196.73042 |
-70.45142 |
0.0 |
t |
10.0 |
|
1140.0 |
MAXI J1803-298 |
PARRA |
MAXIME |
270.92083 |
-29.80389 |
0.0 |
t |
10.0 |
|
1158.0 |
4U 1538-52 |
LOKTEV |
VLADISLAV |
235.59733 |
-52.386 |
360.0 |
A |
|
6 months |
1160.0 |
NGC 2110 |
CHAKRABORTY |
SUDIP |
88.04742 |
-7.45625 |
600.0 |
C |
|
|
1161.0 |
PSR J1723-2837 |
WADIASINGH |
ZORAWAR |
260.84663 |
-28.63256 |
1400.0 |
C |
|
|
1162.0 |
CYG X-1 |
KRAVTSOV |
VADIM |
299.59033 |
35.20161 |
300.0 |
A |
|
|
1166.0 |
LMC X-3 |
STEINER |
JAMES |
84.73596 |
-64.08425 |
1200.0 |
A |
24.0 |
4 months |
1169.0 |
NGC 4151 |
GIANOLLI |
VITTORIA |
182.63575 |
39.40572 |
750.0 |
A |
|
|
1182.0 |
PG 1553+113 |
CIPRINI |
STEFANO |
238.92933 |
11.19011 |
300.0 |
C |
|
6 months |
1184.0 |
KES 75.00 |
WONG |
JOSEPHINE |
281.60392 |
-2.97503 |
1000.0 |
C |
|
|
1186.0 |
H 1426+428 |
BANERJEE |
ANUVAB |
217.13608 |
42.67239 |
214.0 |
C |
|
|
1191.0 |
GX 340+0 |
BHARGAVA |
YASH |
251.44879 |
-45.61111 |
300.0 |
A |
12.0 |
|
1197.0 |
CYGNUS X-1 |
KISLAT |
FABIAN |
299.59033 |
35.20161 |
150.0 |
A |
10.0 |
|
1215.0 |
NGC 4945 |
BANERJEE |
ANUVAB |
196.3645 |
-49.46822 |
1000.0 |
C |
|
|
1219.0 |
4U 1957+11 |
NOWAK |
MICHAEL |
299.85004 |
11.70828 |
280.0 |
T |
35.0 |
|
1220.0 |
SWIFT J1727.8-1613 |
SVOBODA |
JIRI |
261.93046 |
-16.20533 |
100.0 |
T |
9.0 |
|
1220.0 |
SWIFT J1727.8-1613 |
SVOBODA |
JIRI |
261.93046 |
-16.20533 |
120.0 |
T |
9.0 |
|
1220.0 |
SWIFT J1727.8-1613 |
SVOBODA |
JIRI |
261.93046 |
-16.20533 |
300.0 |
T |
9.0 |
|
1224.0 |
T CRB |
ERRANDO |
MANEL |
239.87567 |
25.92017 |
500.0 |
T |
|
3 months |
1236.0 |
PICTOR A WESTERN HS |
MEYER |
EILEEN |
79.85975 |
-45.76514 |
2000.0 |
L |
|
|
|