Joint Program candidates with other missions

In accordance with memoranda of understanding, XRISM and complementary missions offer joint programs.

Target Target position Joint Partner Observatory (JPO) Approval [1] XRISM Time
(ks)
JPO Time
(ks)
ToO PI (PPI) Co-PI Notes
RA Dec
HER X-1 254.45754 35.34236 IXPE IXPE Cycle 3
(2026Feb01-2027Mar31)
45 750 Y HERMAN MARSHALL IXPE approved list
4U 1254-69 194.40500 -69.28861 XMM-Newton
NuSTAR
XMM-Newton Cycle 25
(2026May-2027Apr)
29 29 N MARIA DIAZ-TRIGO XMM approved list
MCG-2-58-22 346.18117 -8.68572 NuSTAR NuSTAR Cycle 12
(2026June-2027May)
100 100 N TRACEY TURNER NuSTAR approved list
4U 1630-472 248.50671 -47.39300 NuSTAR NuSTAR Cycle 12
(2026June-2027May)
100 100 Y JON MILLER NuSTAR approved list
[2]
H 1743-322 266.56500 -32.23358 NuSTAR NuSTAR Cycle 12
(2026June-2027May)
100 100 Y JON MILLER NuSTAR approved list
[2]
IGR J17091-3624 257.28171 -36.40714 NuSTAR NuSTAR Cycle 12
(2026June-2027May)
100 100 Y JON MILLER NuSTAR approved list
[2]
MAXI J1305-704 196.73042 -70.45142 NuSTAR NuSTAR Cycle 12
(2026June-2027May)
100 100 Y JON MILLER NuSTAR approved list
[2]
GRO J1655-40 253.50058 -39.84578 NuSTAR NuSTAR Cycle 12
(2026June-2027May)
100 100 Y JON MILLER NuSTAR approved list
[2]
MCG-06-30-15 203.97404 -34.29561 NuSTAR NuSTAR Cycle 12
(2026June-2027May)
200 200 N INDRANI PAL NuSTAR approved list
H1743-322 266.56500 -32.23358 NuSTAR NuSTAR Cycle 12
(2026June-2027May)
20 20 Y EDWARD NATHAN NuSTAR approved list

[1] Provided are the mission or facility that accepts the joint program and its cycle for which the program is approved.

[2] Only one of the five candidate targets will be observed.