The Steward Alerts for Science System (SASSy) provides access to various alerts and cross-correlation with catalogs. We provide support for queries to alerts and database(s) sourced from the Galaxy List for the Advanced Detector Era (GLADE), the Gravitational Wave Galaxy Catalog (GWGC), (ad-hoc) alerts from the Laser Interferometer Gravitational-Wave Observatory (LIGO), the Transient Name Server (TNS) and the Zwicky Transient Facility (ZTF). Further information is available in the (help) and (api) sections.

These pages are adapted from the code from LCOGT (Las Cumbres Observatory Global Telescope) which delivers the MARS (Make Alerts Really Simple) website.


Laser Interferometer Gravitational-Wave Observatory (LIGO [Q3C])

This page provides a default interface to the LIGO alerts with Q3C indexing. The table lists LIGO records in descending order by database id. Use the filters on the right to narrow down the results to areas of interest. When the results look good, add ?format=json to the URL. You can then access the URL to retrieve the full data and use it in your scripts.


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155669 record(s) found, showing page 1 / 3114.

ID TNS Name GW Name GW Date RA Dec Filter Magnitude Probability Sigma Type Discovered Group GW Aka Before?
J2k ° J2k ° 0 <> 1 1 <> 3 (date)
112731 AT2020fgr G999999 2020-03-16 21:57:56 207.875 -52.926 17.300 0.982 3.000 2020-03-25 21:59:37 None GW20200316_215756
112778 AT2020gmv G999999 2020-03-16 21:57:56 193.236 -18.088 PS1-w 20.380 0.964 3.000 2020-03-24 11:19:40.800000 Pan-STARRS1 GW20200316_215756
112780 AT2020gml G999999 2020-03-16 21:57:56 191.993 -20.522 PS1-w 19.930 0.915 2.000 2020-03-24 11:16:48 Pan-STARRS1 GW20200316_215756
112779 AT2020gmt G999999 2020-03-16 21:57:56 192.757 -20.638 PS1-w 20.480 0.919 2.000 2020-03-24 11:16:48 Pan-STARRS1 GW20200316_215756
112781 AT2020giy G999999 2020-03-16 21:57:56 187.165 -20.576 PS1-w 20.140 0.996 3.000 2020-03-24 11:09:36 Pan-STARRS1 GW20200316_215756
112732 AT2020eza G999999 2020-03-16 21:57:56 97.184 52.570 PS1-w 19.120 0.882 2.000 2020-03-24 05:52:48 Pan-STARRS1 GW20200316_215756
112734 AT2020esy G999999 2020-03-16 21:57:56 240.206 -62.056 -Clear 17.000 0.950 2.000 2020-03-21 21:00:11.232000 MASTER GW20200316_215756
112735 AT2020erq G999999 2020-03-16 21:57:56 204.202 -37.752 ATLAS-cyan 17.620 0.905 2.000 2020-03-21 13:20:38.400000 ATLAS GW20200316_215756
112733 AT2020eyn G999999 2020-03-16 21:57:56 194.384 -31.483 ATLAS-cyan 18.460 0.976 3.000 2020-03-21 11:38:24 ATLAS GW20200316_215756
112736 AT2020epj G999999 2020-03-16 21:57:56 211.932 -43.086 -Clear 18.200 0.986 3.000 2020-03-20 01:31:19.488000 MASTER GW20200316_215756
112739 AT2020eoz G999999 2020-03-16 21:57:56 196.279 -28.397 ATLAS-orange 19.230 0.881 2.000 2020-03-19 12:24:28.800000 ATLAS GW20200316_215756
112737 AT2020epe G999999 2020-03-16 21:57:56 201.835 -34.291 ATLAS-orange 17.740 0.911 2.000 2020-03-19 11:58:33.600000 ATLAS GW20200316_215756
112738 AT2020epc G999999 2020-03-16 21:57:56 206.094 -41.430 ATLAS-orange 17.460 0.894 2.000 2020-03-19 11:49:55.200000 ATLAS GW20200316_215756
112740 AT2020eos G999999 2020-03-16 21:57:56 218.345 -47.288 ATLAS-orange 18.290 0.997 3.000 2020-03-19 11:24:00 ATLAS GW20200316_215756
112742 AT2020eom G999999 2020-03-16 21:57:56 94.175 43.938 -Clear 15.000 0.848 2.000 2020-03-18 22:15:59.328000 MASTER GW20200316_215756
112741 AT2020eon G999999 2020-03-16 21:57:56 262.545 -74.639 -Clear 16.700 0.712 2.000 2020-03-18 21:58:46.848000 MASTER GW20200316_215756
112743 AT2020enz G999999 2020-03-16 21:57:56 202.599 -46.269 -Clear 17.900 0.995 3.000 2020-03-17 00:17:10.752000 MASTER GW20200316_215756
112744 AT2020eny G999999 2020-03-16 21:57:56 277.171 -72.144 -Clear 17.800 0.878 2.000 2020-03-16 23:36:57.600000 MASTER GW20200316_215756
112945 AT2020hcw G999999 2020-03-02 01:58:11 266.501 -33.799 Gaia-G 15.620 0.664 1.000 2020-03-15 22:20:38.400000 GaiaAlerts GW20200302_015811
112946 AT2020hbh G999999 2020-03-02 01:58:11 263.530 -36.522 Gaia-G 16.620 0.607 1.000 2020-03-15 20:38:24 GaiaAlerts GW20200302_015811
112953 AT2020eql G999999 2020-03-02 01:58:11 265.115 -34.976 Gaia-G 17.150 0.614 1.000 2020-03-15 20:36:57.600000 GaiaAlerts GW20200302_015811
112541 AT2020emi G366412 2020-03-03 12:15:48 10.717 41.227 -Clear 17.400 0.981 3.000 2020-03-15 18:24:28.800000 ISSP GW20200303_121548
112954 AT2020eqk G999999 2020-03-02 01:58:11 249.439 -45.883 Gaia-G 15.910 0.599 1.000 2020-03-15 14:54:14.400000 GaiaAlerts GW20200302_015811
112951 AT2020esg G999999 2020-03-02 01:58:11 257.734 -41.660 Gaia-G 18.350 0.480 1.000 2020-03-15 14:45:36 GaiaAlerts GW20200302_015811
112950 AT2020esi G999999 2020-03-02 01:58:11 259.962 -40.504 Gaia-G 17.910 0.494 1.000 2020-03-15 14:42:43.200000 GaiaAlerts GW20200302_015811
112956 AT2020eqh G999999 2020-03-02 01:58:11 342.412 44.002 Gaia-G 18.490 0.879 2.000 2020-03-15 14:31:12 GaiaAlerts GW20200302_015811
112952 AT2020eqn G999999 2020-03-02 01:58:11 269.719 -34.283 Gaia-G 18.830 0.472 1.000 2020-03-15 08:32:38.400000 GaiaAlerts GW20200302_015811
112955 AT2020eqj G999999 2020-03-02 01:58:11 273.479 -30.948 Gaia-G 18.980 0.669 1.000 2020-03-15 08:26:52.800000 GaiaAlerts GW20200302_015811
112959 AT2020epr G999999 2020-03-02 01:58:11 188.306 -53.769 Gaia-G 17.760 0.463 1.000 2020-03-15 03:36:00 GaiaAlerts GW20200302_015811
112961 AT2020epp G999999 2020-03-02 01:58:11 233.627 -53.527 Gaia-G 17.990 0.741 2.000 2020-03-15 03:07:12 GaiaAlerts GW20200302_015811
112522 AT2020elz G366412 2020-03-03 12:15:48 163.866 -48.074 -Clear 15.600 0.976 3.000 2020-03-15 02:24:07.776000 MASTER GW20200303_121548
112973 AT2020enl G999999 2020-03-02 01:58:11 118.867 -17.114 -Other 15.800 0.832 2.000 2020-03-15 01:49:52.320000 BraTS GW20200302_015811
112963 AT2020epn G999999 2020-03-02 01:58:11 300.565 1.702 Gaia-G 17.800 0.996 3.000 2020-03-15 01:40:48 GaiaAlerts GW20200302_015811
112962 AT2020epo G999999 2020-03-02 01:58:11 113.814 8.169 Gaia-G 18.860 0.972 3.000 2020-03-15 00:48:57.600000 GaiaAlerts GW20200302_015811
112965 AT2020epl G999999 2020-03-02 01:58:11 269.097 -37.835 Gaia-G 16.950 0.359 1.000 2020-03-14 20:34:04.800000 GaiaAlerts GW20200302_015811
112964 AT2020epm G999999 2020-03-02 01:58:11 271.936 -35.434 Gaia-G 17.160 0.550 1.000 2020-03-14 20:31:12 GaiaAlerts GW20200302_015811
112957 AT2020epu G999999 2020-03-02 01:58:11 275.235 -32.511 Gaia-G 17.700 0.790 2.000 2020-03-14 20:26:52.800000 GaiaAlerts GW20200302_015811
112958 AT2020eps G999999 2020-03-02 01:58:11 6.541 54.545 Gaia-G 17.640 0.905 2.000 2020-03-14 20:13:55.200000 GaiaAlerts GW20200302_015811
112960 AT2020epq G999999 2020-03-02 01:58:11 180.706 -53.974 Gaia-G 18.490 0.798 2.000 2020-03-14 15:38:52.800000 GaiaAlerts GW20200302_015811
112523 AT2020ely G366412 2020-03-03 12:15:48 148.978 69.053 Sloan-r 19.500 0.994 3.000 2020-03-14 14:33:41 XOSS GW20200303_121548
112967 AT2020env G999999 2020-03-02 01:58:11 276.193 -36.027 Gaia-G 18.730 0.985 3.000 2020-03-14 02:28:19.200000 GaiaAlerts GW20200302_015811
112969 AT2020ent G999999 2020-03-02 01:58:11 278.067 -33.904 Gaia-G 18.420 0.985 3.000 2020-03-14 02:25:26.400000 GaiaAlerts GW20200302_015811
112944 AT2020hnv G999999 2020-03-02 01:58:11 283.308 -28.725 Gaia-G 16.410 0.991 3.000 2020-03-14 02:16:48 GaiaAlerts GW20200302_015811
112971 AT2020enp G999999 2020-03-02 01:58:11 51.558 59.018 Gaia-G 17.640 0.943 2.000 2020-03-13 19:50:52.800000 GaiaAlerts GW20200302_015811
112970 AT2020enq G999999 2020-03-02 01:58:11 263.669 -48.774 Gaia-G 18.170 0.434 1.000 2020-03-13 14:44:09.600000 GaiaAlerts GW20200302_015811
112972 AT2020eno G999999 2020-03-02 01:58:11 327.270 37.046 Gaia-G 18.790 0.996 3.000 2020-03-13 14:42:43.200000 GaiaAlerts GW20200302_015811
112968 AT2020enu G999999 2020-03-02 01:58:11 346.378 52.017 Gaia-G 18.750 0.781 2.000 2020-03-13 12:37:26.400000 GaiaAlerts GW20200302_015811
112549 AT2020emk G999999 2020-03-16 21:57:56 220.146 -62.403 Gaia-G 18.970 0.991 3.000 2020-03-13 09:14:24 GaiaAlerts GW20200316_215756
112539 AT2020emk G366412 2020-03-03 12:15:48 220.146 -62.403 Gaia-G 18.970 0.960 3.000 2020-03-13 09:14:24 GaiaAlerts GW20200303_121548
112547 AT2020emo G999999 2020-03-16 21:57:56 240.760 -59.340 Gaia-G 19.860 0.992 3.000 2020-03-13 09:02:52.800000 GaiaAlerts GW20200316_215756
155669 record(s) found. Showing page 1 / 3114.