NuSTAR Target of Opportunity (ToO) or Directors Discretionary Time (DDT) observation request
Submit requests to NuSTAR operations team for review
Fast ToOs (turnaround <= 48 hours) will only be approved for exceptional scientific opportunities
Active ToO/DDT observations
50 ks coordinated with XMM in 2019 Sept-Oct for joint NuSTAR / XMM cycle-15 program 078430 (3x40 ks completed)
2 x 20 ks coordinated with Swift for NuSTAR/Swift joint GO program 1417159
3 x 30 ks coordinated with NICER for NuSTAR GO program 04147
Please review the NuSTAR schedules for details of upcoming observations and the table of approved ToO programs from the NuSTAR GO program and joint GO programs with Chandra, XMM-Newton, INTEGRAL, and the Neil Gehrels Swift Observatory.