XMM-Newton Target of Opportunity (ToO)

ToO Policies & Procedures

Targets of Opportunity (ToOs) are subject to the policies and procedures explained in the XMM-Newton Policies & Procedures Document which is available here.
Please, pay particular attention to Section 5.2.2 and especially Subsection 5.2.2.2, which makes reference to unanticipated ToO alerts explaining also the policy for the determination of proprietary periods of such observations.

"Discretionary Time” may be granted for programmes where a timely observation (outside of the normal announcement of opportunity cycle) is likely to result in a significant scientific impact.

ToO Alert

Investigators may notify the XMM-Newton SOC of a Target of Opportunity online. Simply complete the details on the ToO Notification Page.

Pending Anticipated ToOs

A list of anticipated ToO observations already accepted by the XMM-Newton Observing Time Allocation Committee (OTAC), which are currently not yet fulfilled, is available at this link.

Unanticipated ToO Details

The following list comprises approved and performed unanticipated ToOs.

The status of the data is denoted using the following acronyms:

The links from entries in this table are as follows:

This table is weekly updated, but there might be periods for which updates take slightly longer. Should you need to know details about a ToO/DPS observation, that are not given below (yet), please do not hesitate to contact the HelpDesk.

Rev Observation
Id
Target RA Dec Exp. Time
(ksec)
Data Status ODF Data
when available
PPS Data
when available
Proposer/
Comments
TBD. 0932390201 Cloverleaf ORC 11:37:23.52 -00:50:49.1 35.0 ToO (TBD) ODF Data PPS Data (Dr. E. Bulbul)
4403 0932390701 ZTF22abajudi 02:20:08.00 -22:43:15.4 43.0 ToO (TBD) ODF Data PPS Data (Dr. Y. Yao)
4399 0932391301 AT2023lli 22:57:39.50 +40:32:40.7 20.0 ToO (TBD) ODF Data PPS Data (Dr. S. Huang)
4395 0931791301 2MASX J02344872-4419325 02:34:48.70 -44:19:32.5 36.0 ToO (TBD) ODF Data PPS Data (Dr. R. Arcodia)
4391 0932391101 GRB231117A 22:09:33.60 +13:31:21.1 59.9 ToO (TBD) ODF Data PPS Data (Dr. E. Troja)
4389 0932390901 pi Aqr 22:25:16.60 +01:22:38.6 10.0 ToO (TBD) ODF Data PPS Data (Dr. Y. Naze)
4384 0932391001 GRB231115A 09:56:00.20 +69:40:29.2 55.0 ToO (Public) ODF Data PPS Data (Dr. A. Levan, Dr. S. Campana & Dr. S. Mereghetti)
4384 0932390801 J0704-37 07:04:13.20 -37:06:14.6 34.5 ToO (24-May-2023) ODF Data PPS Data (Dr. N. Rea)
4368 0932390601 GX 13+1 18:14:31.50 -17:09:26.7 16.0 ToO (19-Apr-2024) ODF Data PPS Data (Dr. A. Bobrikova)
4367 0932390301 V404 Cyg 20:24:03.80 +33:52:02.0 18.9 DPS (19-Apr-2024) ODF Data PPS Data (Dr. R. Hynes)
4363 0932390401 2SXPS J195654.1+3049 19:56:54.20 +30:49:38.8 18.4 ToO (11-Apr-2024) ODF Data PPS Data (Dr. L. Marcotulli)
4360 0932390501 gx 339-4 17:02:49.40 -48:47:23.1 15.0 ToO (06-Apr-2024) ODF Data PPS Data (Dr. P. Petrucci)
4359 0931791201 WISEA J045649.8-20 04:56:49.80 -20:37:47.9 13.4 ToO (03-Apr-2024) ODF Data PPS Data (Dr. Z. Liu)
4353 0932390101 ESO 184-G042 19:14:22.00 -54:33:56.2 20.0 ToO (26-Mar-2024) ODF Data PPS Data (Dr. K. Dolag)
4351 0931791501 WISEA J045649.8-20 04:56:49.80 -20:37:47.9 18.3 ToO (19-Mar-2024) ODF Data PPS Data (Dr. L. Zhu)
4343 0931791001 WISEA J045649.8-20 04:56:49.80 -20:37:47.9 16.0 ToO (05-Mar-2024) ODF Data PPS Data (Dr. L. Zhu)
4333 0931791401 1ES 1927+654 19:27:19.50 +65:33:54.3 36.4 ToO (10-Feb-2024) ODF Data PPS Data (Dr. S. Laha)
4326 0931790701 ngc 5273 13:42:08.38 +35:39:15.4 12.8 ToO (02-Feb-2024) ODF Data PPS Data (Dr. F. Vincentelli)
4320 0931790601 GX 304-1 13:01:17.10 -61:36:06.6 8.0 DPS (17-Jan-2024) ODF Data PPS Data (Dr. A. Zainab)
4320 0931790501 SAX J1324.4-6200 13:24:26.70 -62:01:19.5 28.0 DPS (17-Jan-2024) ODF Data PPS Data (Dr. L. Ducci)
4319 0914793101 GSN 069 01:19:08.50 -34:11:30.5 108.2 ToO (17-Jan-2024) ODF Data PPS Data (Dr. G. Miniutti)
4314 0931790401 1E2259+586 23:01:08.10 +58:52:44.0 20.5 ToO (07-Jan-2024) ODF Data PPS Data (Dr. R. Taverna)
4304 0914792901 GSN069 01:19:08.70 -34:11:30.5 119.7 ToO (20-Dec-2023) ODF Data PPS Data (Dr. G. Miniutti)
4303 0931790301 AT2023cvb 19:14:25.70 +41:40:09.3 63.6 DPS (Public) ODF Data PPS Data (Dr. N. Schartel)
4302 0931790201 AT2021lwx 21:13:48.40 +27:25:50.5 56.1 ToO (16-Dec-2023) ODF Data PPS Data (Dr. M. Guolo)
4298 0914792701 GSN 069 01:19:08.66 -34:11:30.5 60.0 ToO (05-Dec-2023) ODF Data PPS Data (Dr. G. Miniutti)
4297 0931790101 SN2023ixf 14:03:38.60 +54:18:42.0 83.6 ToO (27-Dec-2023) ODF Data PPS Data (Dr. S. Campana)
4296 0930590801 ESO 198-G24 02:38:19.72 -52:11:32.3 116.2 Sat. Engineering (public) ODF Data PPS Data (Replenishment)
4295 0939590601 ESO 198-G24 02:38:19.72 -52:11:32.3 116.2 Sat. Engineering (public) ODF Data PPS Data (Replenishment)
4294 0915392001 AT2020vdq 10:08:53.50 +42:43:00.4 16.1 ToO (Public) ODF Data PPS Data (Dr. J. Somalwar)
4284 0930590301 B2 0917+23 09:20:45.60 +23:38:60.0 56.2 ToO (Public) ODF Data PPS Data (Dr. S. Laha)
4275 0915391701 GRB 230307A 04:03:26.20 -75:22:43.8 119.9 ToO (Public) ODF Data PPS Data (Dr. B. O'Connor)
4272 0930590101 SGR1806-20 18:08:39.30 -20:24:40.1 45.0 ToO (Public) ODF Data PPS Data (Dr. R. Turolla)
4263 0915391601 GRB 230307A 04:03:26.20 -75:22:43.8 52.5 ToO (Public) ODF Data PPS Data (Dr. E. Troja)
4259 0915391401 GRB 230307A 04:03:25.80 -75:22:42.7 49.9 ToO (Public) ODF Data PPS Data (Dr. S. Mereghetti)
4255 0915391301 PSR B1259-63 13:02:47.70 -63:50:08.6 19.7 ToO (Public) ODF Data PPS Data (Dr. M. Chernyakova)
4255 0915390501 WISEA J045649.8-2037 04:56:49.80 -20:37:47.9 25.0 ToO (Public) ODF Data PPS Data (Dr. L. Zhu)
4249 0915390701 1ES 1927+654 19:27:19.50 +65:33:54.3 34.6 ToO (Public) ODF Data PPS Data (Dr. S. Laha)
4246 0915391001 LS V +44 17 04:40:59.30 +44:31:49.2 27.0 ToO (Public) ODF Data PPS Data (Dr. A. Rouco)
4245 0915591501 Comet 2022 E3 (ZTF) 04:44:37.20 +21:23:16.0 33.6 ToO (Public) ODF Data PPS Data (Dr. K. Dennerl)
4244 0915390401 WISEA J045649.8-2037 04:56:49.80 -20:37:47.9 23.0 ToO (Public) ODF Data PPS Data (Dr. L. Zhu)
4244 0915390301 LSI +61 303 02:40:31.70 +61:13:45.5 14.0 DPS (Public) ODF Data PPS Data (Dr. D. Hadasch)
4243 0915390801 4U 0142+61 01:46:22.20 +61:45:03.8 8.5 ToO (Public) ODF Data PPS Data (Dr. B. Posselt)
4235 0915590101 Comet 2022 E3 (ZTF) 15:20:36.40 +57:38:56.5 69.6 ToO (Public) ODF Data PPS Data (Dr. K. Dennerl)
4231 0914791901 GSN 069 01:19:08.70 -34:11:30.5 13.0 DPS (Public) ODF Data PPS Data (Dr. G. Miniutti)
4230 0914791801 GSN 069 01:19:08.70 -34:11:30.5 13.9 DPS (Public) ODF Data PPS Data (Dr. G. Miniutti)
4229 0914791701 GSN 069 01:19:08.70 -34:11:30.5 29.7 DPS (Public) ODF Data PPS Data (Dr. G. Miniutti)
4228 0914791601 GSN 069 01:19:08.70 -34:11:30.5 13.5 DPS (Public) ODF Data PPS Data (Dr. G. Miniutti)
4227 0914791501 GSN 069 01:19:08.70 -34:11:30.5 13.9 DPS (Public) ODF Data PPS Data (Dr. G. Miniutti)
4226 0915390201 ZTF22abajudi 02:20:08.00 -22:43:15.4 76.5 ToO (Public) ODF Data PPS Data (Dr. M. Guolo)
4226 0914791401 GSN 069 01:19:08.70 -34:11:30.5 16.0 DPS (Public) ODF Data PPS Data (Dr. G. Miniutti)
4223 0914791301 GSN 069 01:19:08.70 -34:11:30.5 18.0 DPS (Public) ODF Data PPS Data (Dr. G. Miniutti)
4221 0914791201 GSN 069 01:19:08.70 -34:11:30.5 15.0 DPS (Public) ODF Data PPS Data (Dr. G. Miniutti)
4219 0914791001 GSN 069 01:19:08.70 -34:11:30.5 20.9 DPS (Public) ODF Data PPS Data (Dr. G. Miniutti)
4218 0914790901 GSN 069 01:19:08.70 -34:11:30.5 16.5 DPS (Public) ODF Data PPS Data (Dr. G. Miniutti)
4217 0914790801 GSN 069 01:19:08.70 -34:11:30.5 13.0 DPS (Public) ODF Data PPS Data (Dr. G. Miniutti)
4216 0914790701 GSN 069 01:19:08.70 -34:11:30.5 14.8 DPS (Public) ODF Data PPS Data (Dr. G. Miniutti)
4215 0914791101 GSN 069 01:19:08.70 -34:11:30.5 18.0 DPS (Public) ODF Data PPS Data (Dr. G. Miniutti)
4214 0914790601 GSN 069 01:19:08.70 -34:11:30.5 15.0 DPS (Public) ODF Data PPS Data (Dr. G. Miniutti)
4213 0914790501 GSN 069 01:19:08.70 -34:11:30.5 15.0 DPS (Public) ODF Data PPS Data (Dr. G. Miniutti)
4212 0914790301 GSN 069 01:19:08.70 -34:11:30.5 18.0 DPS (Public) ODF Data PPS Data (Dr. G. Miniutti)
4210 0914790201 GSN 069 01:19:08.70 -34:11:30.5 21.9 DPS (Public) ODF Data PPS Data (Dr. G. Miniutti)
4209 0914790401 GSN 069 01:19:08.70 -34:11:30.5 15.0 DPS (Public) ODF Data PPS Data (Dr. G. Miniutti)
4208 0914790101 GSN 069 01:19:08.70 -34:11:30.5 19.8 DPS (Public) ODF Data PPS Data (Dr. G. Miniutti)
4204 0913992101 OJ 287 08:54:48.87 +20:06:30.6 31.0 ToO (Public) ODF Data PPS Data (Dr. R. Prince)
4202 0913992001 AT2019teq 18:59:05.50 +47:31:05.6 30.0 ToO (Public) ODF Data PPS Data (Dr. D. Pasham)
4198 0913991901 GRB221009A 19:13:03.50 +19:46:24.6 103.9 ToO (Public) ODF Data PPS Data (Dr. E. Troja)
4193 0913991801 GRB221009A 19:13:03.80 +19:46:22.7 51.5 ToO (Public) ODF Data PPS Data (Dr. A. Tiengo)
4192 0913991701 GRB221009A 19:13:03.80 +19:46:22.7 60.7 ToO (Public) ODF Data PPS Data (Dr. A.Tiengo)
4184 0913991601 GRB221009A 19:13:03.40 +19:46:16.3 61.9 ToO (Public) ODF Data PPS Data (Dr. A. Tiengo)
4183 0913991501 GRB221009 19:13:03.40 +19:46:16.3 50.0 ToO (Public) ODF Data PPS Data (Dr. S. Campana)
4171 0913991301 XTE J1810-197 18:09:51.10 -19:43:51.7 38.3 ToO (Public) ODF Data PPS Data (Dr. G. Younes)
4171 0913991201 J1912-44 19:12:13.70 -44:10:45.1 45.0 ToO (Public) ODF Data PPS Data (Dr. A. Schwope)
4169 0913991101 GLEAMX J1839 18:39:02.00 -10:31:49.5 30.0 ToO (Public) ODF Data PPS Data (Dr. N. Rea)
4168 0913990901 Gamma Per 03:04:47.80 +53:30:23.0 5.0 DPS (Public) ODF Data PPS Data (Dr. J. Schmitt)
4155 0913990701 G121.1-1.9 00:36:02.30 +60:54:20.9 18.3 ToO (Public) ODF Data PPS Data (Dr. I. Khabibullin)
4154 0913990801 G121.1-1.9 00:36:02.30 +60:54:20.9 13.8 ToO (Public) ODF Data PPS Data (Dr. I. Khabibullin)
4152 0913990601 G121.1-1.9 00:36:02.30 +60:54:20.9 14.0 ToO (Public) ODF Data PPS Data (Dr. I. Khabibullin)
4152 0910191301 SDSSJ1430+2303 14:30:16.00 +23:03:44.0 104.0 ToO (Public) ODF Data PPS Data (Dr. N. Jiang)
4150 0913990501 G121.1-1.9 00:36:02.30 +60:54:20.9 17.7 ToO (Public) ODF Data PPS Data (Dr. I. Khabibullin)

For ToO data prior to revolution 4150, please refer to the ToO Archive Page