NuSTAR ToO targets approved within the NuSTAR, Chandra, XMM-Newton, Swift, NICER, and INTEGRAL General Observer programs
NuSTAR Target of Opportunity (ToO) observations may be proposed for in the NuSTAR, Chandra, XMM-Newton, Neil Gehrels Swift Observatory, NICER mission, and INTEGRAL General Observer (GO) programs.
Last update: 2023-01-14
Proposal title and abstracts are available here, or click on the Proposal number in the table below. Note that NuSTAR ToO and DDT observations may be requested at any time through the ToO/DDT observation request form which provides a list of currently active unanticipated ToO/DDT targets.
Proposals will be marked with an orange background when they are triggered and a green background when they are completed. Targets that have yet to be identified have blank J2000 coordinates.
NuSTAR GO ToO programs | |||||||
---|---|---|---|---|---|---|---|
Proposal | ObsID | Target Name | Comments | ||||
07221 | Somalwar | 80702614 | TC0052 | 307.6972094 | 4.225268866 | 3 x 20 | Coordinated with Swift Triggered 2022-03-08 |
08003 | Mori | 80802325 | GC X-ray Transient | 2x20 | |||
08033 | Ballhausen | 80801326 | RX J0440.9+4431 | 70.247207 | 44.530349 | 50 | Triggered 2023-01-02 |
08041 | Jiang | 80801327 | Black hole transient | 30 | |||
08079 | Coughenour | 80801328 | AT2019wey | 68.846980 | 55.376190 | 50 | Coordinated with NICERTriggered 2022-12-12 |
08107 | Krucker | 80802200 | The SUN | 2x25 | |||
08110 | Paliya | 80801629 | Swift-BAT blazar 1 | 20 | |||
08110 | Paliya | 80801630 | Swift-BAT blazar 2 | 20 | |||
08115 | Miller | 80801631 | Bright TDE | 50 | |||
08121 | Mondal | 80801332 | FXT/VFXT | 30 | |||
08125 | Jaisawal | 80801333 | 4U 1820-30 | 275.91904 | -30.36128 | 45 | Coordinated with NICER |
08131 | Krumpe | 80801634 | AGN flux drop | 100 | |||
08136 | Sokolovsky | 80801335 | New Nova | 60 | |||
08166 | Feng | 80802636 | B3 2247+381 | 342.524 | 38.410 | 2x40 | Triggered 2022-09-24 Coordinated with Swift & VERITAS |
08167 | Krumpe | 80801637 | AGN-ignition 1 | 50 | |||
08167 | Krumpe | 80801638 | AGN ignition 2 | 50 | |||
08171 | McBride | 80801639 | TXS 2320+343 | 350.683393 | 34.603854 | 40 | Triggered 2022-12-26 |
08171 | McBride | 80801640 | ICECUBE 2 | 40 | |||
08201 | Shaw | 80801341 | GX 339-4 | 255.70575 | -48.78978 | 20 | Triggered 2022-09-06 Coordinated with JWST |
08201 | Shaw | 80801342 | Generic Black Hole LMXB | 20 | Coordinated with JWST | ||
08211 | Arbet-Engels | 80801643 | BL Lac type transient | 40 | |||
08219 | Draghis | 80802344 | XTE J2012+381 | 303.1573 | 38.1837 | 2x30 | Triggered 2022-12-26 |
08219 | Draghis | 80802345 | Black hole transient 2 | 2x30 | |||
08219 | Draghis | 80802346 | Black hole transient 3 | 2x30 | |||
08226 | Pike | 80801347 | MAXI J0655-013 | 103.7930 | -1.5310 | 40 | Triggered 2022-06-19 |
08226 | Pike | 80802348 | Unknown MAXI source 2 | 2x20 | |||
08226 | Pike | 80802349 | Unknown MAXI source 3 | 2x20 | |||
08227 | Arbet-Engels | 80801650 | 1ES 2344+514 low state | 356.77017 | 51.70497 | 20 | triggered 2022-07-28 Coordinated with XMM and MAGIC |
08227 | Arbet-Engels | 80801651 | 1ES 2344+514 high state | 356.77017 | 51.70497 | 20 | |
08233 | Lawther | 80802652 | Mrk 590 | 33.63992 | -0.76675 | 20+20+60+50 | Coordinated with XMM-Newton & NICER |
08234 | Haemmerich | 80801653 | Flaring Blazar | 50 | Coordinated with Gehrels-Swift | ||
08236 | Bonnoli | 80801654 | New VHE FSRQ | 40 | |||
08246 | Jaodand | 80802755 | Binary NS merger afterglow | 100+75+75 | |||
Joint NuSTAR/Chandra GO ToO programs | |||||||
23400247 | Neilsen | 80802303 | Black Hole Transient | 4 x 25 | |||
23500541 | Chornock | 80802504 | SN2012ap | 75.057167 | -3.347560 | 2 x 50 | Triggered 2022-12-28 |
24400072 | Mori | 80902301 | GC transient | 2x20 | |||
24400242 | Neilsen | 80902302 | Black Hole transient | 4x25 | |||
24500203 | Brethauer | 80902503 | Interacting SN | 2x50 | |||
24500280 | Matthews | 80902404 | AT2022tsd | 50.045282 | 8.748878 | 2x25,2x40 | Triggered 2022-10-07 |
Joint NuSTAR/XMM-Newton GO ToO programs | |||||||
088008 | Norbert Schartel | 80701608 | RX J0128.1-1848 | 22.0280 | -18.808625 | 50 | Triggered 2022-11-29Coordinated with SALT or HET |
088008 | Norbert Schartel | 80701609 | AGN outburst 2 | 50 | Coordinated with SALT or HET | ||
088054 | Pierre-Olivier Petrucci | 80702310 | BH LMXB | 10x20 | |||
088218 | Nanda Rea | 80702311 | SGR J1935+2154 | 293.7320 | 21.896720 | 50+40+80 | Triggered 2022-10-17 |
088470 | Alessandro Papitto | 80701312 | SAX J1808.4-3658 | 272.114750 | -36.978970 | 120 | Triggered 2022-08-20 Coordinated with IXPE |
090022 | Norbert Schartel | 80801601 | AGN Minimum 1 | 80 | Coordinated with HST | ||
80801602 | AGN Minimum 2 | 80 | |||||
090023 | Norbert Schartel | 80801603 | PG 0043+039 | 11.446792 | 4.173156 | 60 | Coordinated with HST and HET/SALT Triggered 2022-06-16 |
090067 | Adam Ingram | 80802309 | GRS 1915+105 | 288.798125 | 10.945778 | 3x30 | Coordinated with IXPE |
090245 | Missagh Mehdipour | 80801604 | AGN obscuration | 30 | Coordinated with HST | ||
090251 | Daniel Stern | 80860601 | eROSITA-fader1 | 20 | |||
80860602 | eROSITA-fader6 | 20 | |||||
80860603 | eROSITA-fader6 | 20 | |||||
80860604 | eROSITA-fader6 | 20 | |||||
80860605 | eROSITA-fader6 | 20 | |||||
80860606 | eROSITA-fader6 | 20 | |||||
090284 | Javier Garcia | 80801305 | BH transient | 40 | |||
090332 | David Matthews | 80802406 | FBOT | 2x25+2x40 | |||
090357 | Sergio Campana | 80801507 | GW counterpart1 | 60 | Coordinated with HST and NRAO | ||
80801508 | GW counterpart2 | 60 | |||||
092118 | Raffaella Margutti | 80902505 | SNinteracting | 2x50 | Cycle-22 begins on 2023-05-01 | ||
092270 | Elias Kammoun | 80902606 | SMSS J114447.77-430859.3 | 176.199 | -43.14984 | 2x80 | Cycle-22 begins on 2023-05-01 |
092317 | Alessandro Papitto | 80901307 | Accreting ms pulsar | 120 | Coordinated with IXPECycle-22 begins on 2023-05-01 | ||
092331 | Missagh Mehdipour | 80901608 | NGC 3516 | 166.697763 | 72.56869 | 60 | Coordinated with HSTCycle-22 begins on 2023-05-01 |
092346 | Arianna Miraval Zanon | 80901309 | Transitional ms pulsar | 60 | Coordinated with VLACycle-22 begins on 2023-05-01 | ||
092410 | Erin Kara | 80902610 | Mrk 817 | 219.09200858 | 58.7942763 | 60 | Coordinated with HSTCycle-22 begins on 2023-05-01 |
Joint NuSTAR/INTEGRAL GO ToO programs | |||||||
1840002 | Thomas Siegert | 80701501 | NS merger | 100 | |||
1840005 | Zhaosheng Li | 80701302 | ms pulsar | 30 | Also coordinated with XMM-Newton, NICER, and HXMT | ||
1840021 | Ingo Kreykenbohm | 80701303 | Accreting X-ray pulsar | 40 | |||
1940020 | Ingo Kreykenbohm | 80801301 | Transient accreting pulsar | 40 | |||
1940025 | Thomas Siegert | 80801502 | GW Neutron star merger | 100 | |||
Joint NuSTAR/Swift GO ToO programs | |||||||
1821098 | Kirill Sokolovsky | 80801310 | New Nova | 40 | |||
1821161 | Maria-Carla Nicotra | 80801311 | FRB1 | 20 | |||
1821161 | Maria-Carla Nicotra | 80801312 | FRB2 | 20 | |||
Joint NuSTAR/NICER GO ToO programs | |||||||
04163 | Jeroen Homan | 80702318 | 4U 1820-30 | 275.91904 | -30.361278 | 3x20 | Triggered 2021-06-12 |
05001 | Fiamma Capitanio | 80802313 | 4U1630-47 | 248.5067083 | -47.3930 | 2x30 + 20 | Triggered 2022-08-22Coordinated with IXPE |
05001 | Fiamma Capitanio | 80802314 | Transient XRB-2 | 2x30 + 20 | Coordinated with IXPE | ||
05001 | Fiamma Capitanio | 80802315 | Transient XRB-3 | 2x30 + 20 | Coordinated with IXPE | ||
05065 | Riley Connors | 80802316 | Transient BH Binary | 4x20 | |||
05076 | Teruaki Enoto | 80802317 | SGR J1935+2154 | 293.7320 | 21.89672 | 50+50 | Triggered 2022-10-12Coordinated with DSN |
05079 | Alice Borghese | 80801318 | Magnetar Outburst-1 | 20 | |||
05079 | Alice Borghese | 80801319 | Magnetar Outburst-2 | 20 | |||
05099 | Federico Garcia | 80802320 | GX 339-4 | 255.705754 | -48.78975 | 3x20 | Triggered 2022-08-30 |
05106 | Filippo D'Ammando | 80801605 | Blazar | 40 | |||
05118 | Jingyi Wang | 80802321 | IGR J17091-3624 | 257.2833 | -36.4067 | 3x20 | Triggered 2022-04-12 |
05131 | Joseph Neilsen | 80801322 | GRS 1915+105 | 288.798167 | 10.945806 | 25 | |
05140 | Guglielmo Mastroserio | 80801323 | BH transient | 50 | |||
05172 | Javier Garcia | 80801324 | IGR J17091-3624 | 257.2833 | -36.4067 | 100 | Triggered 2022-08-17 |
06039 | Teruaki Enoto | 80902311 | Magnetar Outburst | 20+30+50 | NICER cycle-5 begins on 2023-03-01 Coordinated with DSN | ||
06057 | Fiamma Capitanio | 80902312 | Transient BH XRB | 30+30+20 | NICER cycle-5 begins on 2023-03-01 Coordinated with IXPE | ||
06078 | Yuhan Yao | 80901615 | Tidal Disruption Event | 50 | NICER cycle-5 begins on 2023-03-01 | ||
06113 | Adam Ingram | 80902316 | GRS 1915+105 | 288.798167 | 10.945806 | 3x20 | NICER cycle-5 begins on 2023-03-01 |
06141 | Jingyi Wang | 80902317 | Transient BH Binary | 3x20 | NICER cycle-5 begins on 2023-03-01 | ||
06143 | James Steiner | 80902318 | Cygnus X-1 | 299.590333 | 35.201611 | 3x20 | NICER cycle-5 begins on 2023-03-01 Coordinated with IXPE |
06197 | Joseph Neilsen | 80901320 | GRS 1915+105 | 288.798167 | 10.945806 | 25 | NICER cycle-5 begins on 2023-03-01 |
06203 | Paul Draghis | 80901321 | BH transient #1 | 30 | NICER cycle-5 begins on 2023-03-01 | ||
80901321 | BH transient #2 | 30 |