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.


Transient Name Server (TNS [Q3C])

This page provides a default interface to the TNS alerts. The table lists TNS 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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112940 record(s) found, showing page 1 / 2259.

MMT MMT ID TNS ID TNS Name RA Dec Redshift Date Magnitude Instrument Filter Type Host Host Source Alias Certificate
request request J2k ° J2k ° (z) (m) (z)
Image Spectra 116299 126193 AT 2023dwq 190.532 11.757 nan 2023-03-24 23:42:43.200000 18.600 Other - Other Clear- nan 2023dwq
Image Spectra 116296 126189 AT 2023dwm 307.711 55.786 nan 2023-03-24 14:17:08.736000 12.600 Other - Other Clear- nan MASTER MASTER OT J203050.57+554708.9 2023dwm
Image Spectra 116291 126183 AT 2023dwg 217.030 7.071 nan 2023-03-24 13:13:55.776000 19.290 PS1 - GPC1 r-P1 nan Pan-STARRS PS23azj 2023dwg
Image Spectra 116293 126184 AT 2023dwh 215.134 4.303 nan 2023-03-24 13:11:58.272000 20.620 PS1 - GPC1 r-P1 nan Pan-STARRS PS23azk 2023dwh
Image Spectra 116292 126185 AT 2023dwi 200.696 39.319 nan 2023-03-24 12:01:21.216000 18.983 ATLAS-CHL - ATLAS-04, ATLAS-HKO - ATLAS-02 orange-ATLAS nan ATLAS ATLAS23eho 2023dwi
Image Spectra 116300 126192 AT 2023dwp 198.637 34.817 nan 2023-03-24 11:15:19.872000 20.560 PS1 - GPC1 w-P1 nan Pan-STARRS PS23azo 2023dwp
Image Spectra 116290 126186 AT 2023dwj 164.943 61.230 nan 2023-03-24 11:11:49.920000 18.251 ATLAS-HKO - ATLAS-02 orange-ATLAS nan ATLAS ATLAS23ehp 2023dwj
Image Spectra 116298 126191 AT 2023dwo 196.763 34.978 nan 2023-03-24 10:58:14.304000 20.370 PS1 - GPC1 w-P1 nan Pan-STARRS PS23azn 2023dwo
Image Spectra 116286 126179 AT 2023dwc 203.718 -36.524 nan 2023-03-24 04:44:11.040000 19.211 ATLAS-CHL - ATLAS-04, ATLAS-STH - ATLAS-03 orange-ATLAS nan ATLAS ATLAS23ehj 2023dwc
Image Spectra 116295 126188 AT 2023dwl 171.884 -38.483 nan 2023-03-24 02:35:56.256000 18.870 ATLAS-CHL - ATLAS-04, ATLAS-STH - ATLAS-03 orange-ATLAS nan ATLAS ATLAS23ehx 2023dwl
Image Spectra 116297 126190 AT 2023dwn 296.022 -18.330 nan 2023-03-23 09:17:09.888000 18.781 ATLAS-CHL - ATLAS-04, ATLAS-STH - ATLAS-03 orange-ATLAS nan ATLAS ATLAS23eib 2023dwn
Image Spectra 116294 126187 AT 2023dwk 173.505 28.877 nan 2023-03-23 08:19:25.248000 19.025 ATLAS-CHL - ATLAS-04, ATLAS-HKO - ATLAS-02 orange-ATLAS nan ATLAS ATLAS23eht 2023dwk
Image Spectra 116281 126174 AT 2023dvx 158.853 27.030 nan 2023-03-23 08:05:49.632000 18.544 ATLAS-CHL - ATLAS-04, ATLAS-HKO - ATLAS-02 orange-ATLAS nan ATLAS ATLAS23egz 2023dvx
Image Spectra 116265 126173 AT 2023dvw 278.192 -16.406 nan 2023-03-23 00:22:41.664000 14.400 Other - Other Clear- nan MASTER MASTER OT J183246.16-162421.6 2023dvw
Image Spectra 116256 126150 AT 2023duz 243.183 2.666 nan 2023-03-22 01:38:07.296000 19.247 ATLAS-CHL - ATLAS-04, ATLAS-STH - ATLAS-03 cyan-ATLAS nan ATLAS ATLAS23egi 2023duz
Image Spectra 116253 126147 AT 2023duw 235.064 -7.460 nan 2023-03-22 01:08:55.104000 19.400 ATLAS-HKO - ATLAS-02, ATLAS-STH - ATLAS-03 cyan-ATLAS nan ATLAS ATLAS23ege 2023duw
Image Spectra 116282 126175 AT 2023dvy 223.963 -5.491 nan 2023-03-22 00:47:27.744000 19.008 ATLAS-CHL - ATLAS-04, ATLAS-STH - ATLAS-03 cyan-ATLAS nan ATLAS ATLAS23ehb 2023dvy
Image Spectra 116285 126178 AT 2023dwb 184.896 5.347 nan 2023-03-22 00:46:38 19.510 ML1 - MeerLICHT-Cam BG-q-BlackGem SDSS J121935.03+052048.5 0.075 MeerLICHT MLT J121935.03+052048.7 2023dwb
Image Spectra 116258 126151 AT 2023dva 173.371 -10.903 nan 2023-03-21 22:54:02.880000 18.212 ATLAS-CHL - ATLAS-04, ATLAS-STH - ATLAS-03 cyan-ATLAS nan ATLAS ATLAS23egj 2023dva
Image Spectra 116257 126149 AT 2023duy 190.440 -9.149 nan 2023-03-21 22:41:23.424000 19.114 ATLAS-CHL - ATLAS-04, ATLAS-STH - ATLAS-03 cyan-ATLAS nan ATLAS ATLAS23egh 2023duy
Image Spectra 116260 126153 AT 2023dvc 202.463 -8.191 nan 2023-03-21 22:09:09.792000 19.562 ATLAS-CHL - ATLAS-04, ATLAS-STH - ATLAS-03 cyan-ATLAS nan ATLAS ATLAS23ego 2023dvc
Image Spectra 116259 126152 AT 2023dvb 257.188 -37.200 nan 2023-03-21 21:26:40.128000 15.700 Other - Other Clear- nan MASTER MASTER OT J170845.03-371158.3 2023dvb
Image Spectra 116255 126148 AT 2023dux 128.834 1.421 nan 2023-03-21 19:51:29.088000 19.571 ATLAS-HKO - ATLAS-02, ATLAS-STH - ATLAS-03 cyan-ATLAS nan ATLAS ATLAS23egf 2023dux
Image Spectra 116262 126155 AT 2023dve 209.824 9.879 nan 2023-03-21 12:28:56.640000 19.306 ATLAS-HKO - ATLAS-02 orange-ATLAS nan ATLAS ATLAS23egr 2023dve
Image Spectra 116230 126124 AT 2023dtz 190.354 13.731 nan 2023-03-21 12:20:05.280000 18.125 ATLAS-HKO - ATLAS-02 orange-ATLAS nan ATLAS ATLAS23eey 2023dtz
Image Spectra 116252 126145 AT 2023duu 224.845 34.512 nan 2023-03-21 12:11:52.800000 19.280 PS1 - GPC1 w-P1 nan Pan-STARRS PS23azd 2023duu
Image Spectra 116263 126154 AT 2023dvd 215.337 35.185 nan 2023-03-21 12:03:22.176000 20.370 PS1 - GPC1 w-P1 nan Pan-STARRS PS23azg 2023dvd
Image Spectra 116249 126141 AT 2023duq 210.256 34.849 nan 2023-03-21 11:56:50.784000 20.200 PS1 - GPC1 w-P1 nan Pan-STARRS PS23ayq 2023duq
Image Spectra 116240 126133 AT 2023dui 177.863 19.380 nan 2023-03-21 11:51:40.608000 19.590 PS1 - GPC1 i-P1 nan Pan-STARRS PS23ayb 2023dui
Image Spectra 116254 126146 AT 2023duv 208.012 -0.751 nan 2023-03-21 11:37:48.576000 19.426 ATLAS-CHL - ATLAS-04, ATLAS-HKO - ATLAS-02 orange-ATLAS nan ATLAS ATLAS23egc 2023duv
Image Spectra 116242 126134 AT 2023duj 169.527 10.519 nan 2023-03-21 11:28:46.848000 20.740 PS1 - GPC1 r-P1 nan Pan-STARRS PS23ayd 2023duj
Image Spectra 116250 126143 AT 2023dus 165.373 7.924 nan 2023-03-21 09:39:43.776000 19.820 PS1 - GPC1 w-P1 nan Pan-STARRS PS23ayv 2023dus
Image Spectra 116231 126123 AT 2023dty 271.381 -75.095 nan 2023-03-21 08:48:57.312000 17.906 ATLAS-CHL - ATLAS-04, ATLAS-STH - ATLAS-03 orange-ATLAS nan ATLAS ATLAS23eet 2023dty
Image Spectra 116251 126144 AT 2023dut 144.647 -8.803 nan 2023-03-21 08:33:44.064000 18.919 ATLAS-CHL - ATLAS-04, ATLAS-HKO - ATLAS-02 orange-ATLAS nan ATLAS ATLAS23efv 2023dut
Image Spectra 116239 126132 AT 2023duh 142.215 -12.895 nan 2023-03-21 08:16:45.408000 18.985 ATLAS-CHL - ATLAS-04, ATLAS-HKO - ATLAS-02 orange-ATLAS nan ATLAS ATLAS23efd 2023duh
Image Spectra 116243 126135 AT 2023duk 135.999 -0.191 nan 2023-03-21 08:02:21.408000 19.820 PS1 - GPC1 i-P1 nan Pan-STARRS PS23aye 2023duk
Image Spectra 116248 126142 AT 2023dur 126.883 2.888 nan 2023-03-21 06:58:00.192000 20.930 PS1 - GPC1 w-P1 nan Pan-STARRS PS23ayr 2023dur
Image Spectra 116287 126181 AT 2023dwe 128.653 1.869 nan 2023-03-21 06:55:04.800000 20.610 PS1 - GPC1 w-P1 nan Pan-STARRS PS23azi 2023dwe
Image Spectra 116241 126136 AT 2023dul 112.583 40.961 nan 2023-03-21 06:33:42.624000 20.000 PS1 - GPC1 g-P1 nan Pan-STARRS PS23ayf 2023dul
Image Spectra 116218 126111 AT 2023dtm 135.853 -41.300 nan 2023-03-21 03:23:55.104000 18.626 ATLAS-CHL - ATLAS-04 orange-ATLAS nan ATLAS ATLAS23eea 2023dtm
Image Spectra 116235 126131 AT 2023dug 118.670 -53.136 nan 2023-03-21 03:05:00.672000 19.029 ATLAS-CHL - ATLAS-04, ATLAS-STH - ATLAS-03 orange-ATLAS nan ATLAS ATLAS23efb 2023dug
Image Spectra 116217 126110 AT 2023dtl 233.883 -16.303 nan 2023-03-20 08:08:34.656000 19.168 ATLAS-CHL - ATLAS-04, ATLAS-STH - ATLAS-03 orange-ATLAS nan ATLAS ATLAS23edw 2023dtl
Image Spectra 116197 126091 AT 2023dsv 199.390 61.220 nan 2023-03-20 05:45:06 20.410 LCO1m - Sinistro g-Sloan LEDA 2613991 0.189 SGLF SGLF_LCOGT_20 2023dsv
Image Spectra 116213 126109 AT 2023dtk 202.008 -31.780 nan 2023-03-20 05:35:32.064000 18.616 ATLAS-CHL - ATLAS-04, ATLAS-STH - ATLAS-03 orange-ATLAS nan ATLAS ATLAS23edu 2023dtk
Image Spectra 116209 126102 AT 2023dtd 205.080 -23.853 nan 2023-03-20 05:30:58.176000 18.516 ATLAS-CHL - ATLAS-04, ATLAS-STH - ATLAS-03 orange-ATLAS nan ATLAS ATLAS23edj 2023dtd
Image Spectra 116261 126156 AT 2023dvf 148.723 -29.219 nan 2023-03-20 03:28:28.128000 19.112 ATLAS-CHL - ATLAS-04, ATLAS-STH - ATLAS-03 orange-ATLAS nan ATLAS ATLAS23egs 2023dvf
Image Spectra 116208 126101 AT 2023dtc 128.323 -22.963 nan 2023-03-20 02:48:13.248000 18.604 ATLAS-CHL - ATLAS-04, ATLAS-STH - ATLAS-03 orange-ATLAS nan ATLAS ATLAS23edi 2023dtc
Image Spectra 116198 126088 AT 2023dss 89.415 -29.756 nan 2023-03-20 00:26:20.256000 18.854 ATLAS-CHL - ATLAS-04, ATLAS-STH - ATLAS-03 orange-ATLAS nan ATLAS ATLAS23edb 2023dss
Image Spectra 116196 126090 AT 2023dsu 69.017 -32.373 nan 2023-03-20 00:12:28.224000 18.295 ATLAS-CHL - ATLAS-04, ATLAS-STH - ATLAS-03 orange-ATLAS nan ATLAS ATLAS23edd 2023dsu
Image Spectra 116237 126128 AT 2023dud 193.241 -6.865 nan 2023-03-19 22:50:47 20.100 ML1 - MeerLICHT-Cam BG-q-BlackGem nan MeerLICHT MLT J125257.83-065153.5 2023dud
112940 record(s) found. Showing page 1 / 2259.