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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78019 record(s) found, showing page 1 / 1561.

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 81331 86509 AT 2021qit 237.045 -54.772 nan 2021-06-19 00:01:23.808000 17.800 Other - Other Clear- nan MASTER MASTER OT J154810.71-544620.7 2021qit
Image Spectra 81330 86508 AT 2021qis 224.519 53.894 nan 2021-06-18 23:14:21.984000 19.000 Other - Other Clear- PGC2453883 nan ISSP 2021qis
Image Spectra 81326 86505 AT 2021qip 29.182 15.017 nan 2021-06-18 13:59:31.200000 18.448 ATLAS1 - ACAM1 orange-ATLAS nan ATLAS ATLAS21wzx 2021qip
Image Spectra 81328 86506 AT 2021qiq 321.014 -43.795 nan 2021-06-18 12:15:50.400000 18.308 ATLAS1 - ACAM1 cyan-ATLAS nan ATLAS ATLAS21wzz 2021qiq
Image Spectra 81322 86502 AT 2021qim 190.688 73.139 nan 2021-06-18 04:51:15.998000 19.176 P48 - ZTF-Cam r-ZTF WISEA J124245.09+730819.3 nan ZTF ZTF21abgzyvg 2021qim
Image Spectra 81314 86501 AT 2021qil 216.769 21.503 nan 2021-06-18 04:38:22.001000 19.181 P48 - ZTF-Cam r-ZTF SDSS J142704.76+213008.8 nan ZTF ZTF21abhaqju 2021qil
Image Spectra 81309 86487 AT 2021qhy 7.937 -32.210 nan 2021-06-18 01:12:00 16.100 ASASSN-3 - Paczynski, ASASSN-5 - Payne-Gaposchkin g-Sloan GALEXASC J003144.90-321245.7 0.024 ASAS-SN ASASSN-21lh 2021qhy
Image Spectra 81337 86515 AT 2021qiz 199.843 -32.931 nan 2021-06-17 22:37:55.200000 17.910 Gaia - Gaia-photometric G-Gaia nan GaiaAlerts Gaia21cxi 2021qiz
Image Spectra 81336 86512 AT 2021qiw 190.745 -14.745 nan 2021-06-17 16:56:38.400000 18.000 Gaia - Gaia-photometric G-Gaia nan GaiaAlerts Gaia21cxd 2021qiw
Image Spectra 81338 86516 AT 2021qja 22.417 38.703 nan 2021-06-17 15:08:38.400000 14.300 Gaia - Gaia-photometric G-Gaia nan GaiaAlerts Gaia21cxj 2021qja
Image Spectra 81339 86517 AT 2021qjb 27.907 45.654 nan 2021-06-17 15:00:00 16.520 Gaia - Gaia-photometric G-Gaia nan GaiaAlerts Gaia21cxl 2021qjb
Image Spectra 81304 86482 AT 2021qht 21.763 -13.708 nan 2021-06-17 14:08:09.600000 18.317 ATLAS1 - ACAM1 orange-ATLAS nan ATLAS ATLAS21wzj 2021qht
Image Spectra 81275 86453 AT 2021qgr 18.907 -6.591 nan 2021-06-17 14:06:43.200000 17.585 ATLAS1 - ACAM1 orange-ATLAS nan ATLAS ATLAS21wzb 2021qgr
Image Spectra 81375 86554 AT 2021qkl 5.607 -4.847 nan 2021-06-17 13:52:19.200000 19.640 PS1 - GPC1 w-PS1 nan Pan-STARRS1 PS21gey 2021qkl
Image Spectra 81333 86514 AT 2021qiy 11.239 17.585 nan 2021-06-17 13:47:59 17.280 Gaia - Gaia-photometric G-Gaia nan GaiaAlerts Gaia21cxh 2021qiy
Image Spectra 81311 86488 AT 2021qhz 274.965 41.033 nan 2021-06-17 12:11:31.200000 19.336 ATLAS1 - ACAM1 cyan-ATLAS nan ATLAS ATLAS21wys 2021qhz
Image Spectra 81273 86433 AT 2021qfx 45.728 41.061 nan 2021-06-17 11:18:22.997000 19.466 P48 - ZTF-Cam r-ZTF SDSS J030254.78+410339.1 nan ZTF ZTF21abgzprp 2021qfx
Image Spectra 81269 86435 AT 2021qfz 37.098 23.149 nan 2021-06-17 11:17:42 17.952 P48 - ZTF-Cam r-ZTF SDSS J022823.37+230858.4 nan ZTF ZTF21abgzphy 2021qfz
Image Spectra 81268 86434 AT 2021qfy 44.472 42.017 nan 2021-06-17 11:15:00 18.451 P48 - ZTF-Cam r-ZTF SDSS J025753.14+420102.8 nan ZTF ZTF21abgzpii 2021qfy
Image Spectra 81272 86436 AT 2021qga 31.117 17.125 nan 2021-06-17 11:02:59.001000 19.706 P48 - ZTF-Cam r-ZTF SDSS J020428.00+170731.2 nan ZTF ZTF21abgznze 2021qga
Image Spectra 81255 86438 AT 2021qgc 333.796 -3.658 nan 2021-06-17 10:59:48.998000 19.614 P48 - ZTF-Cam r-ZTF SDSS J221511.43-033928.1 nan ZTF ZTF21abgzlyi 2021qgc
Image Spectra 81258 86451 AT 2021qgp 358.415 12.620 nan 2021-06-17 10:56:24.999000 20.523 P48 - ZTF-Cam r-ZTF SDSS J235339.58+123711.5 nan ZTF ZTF18acdxmjx 2021qgp
Image Spectra 81260 86441 AT 2021qgf 343.788 48.291 nan 2021-06-17 10:44:03.998000 20.730 P48 - ZTF-Cam r-ZTF nan ZTF ZTF21abgzezt 2021qgf
Image Spectra 81263 86443 AT 2021qgh 4.233 -1.713 nan 2021-06-17 10:28:52.997000 18.944 P48 - ZTF-Cam g-ZTF SDSS J001655.93-014244.8 nan ZTF ZTF21abgywtg 2021qgh
Image Spectra 81264 86450 AT 2021qgo 358.440 9.242 nan 2021-06-17 10:27:31.997000 19.707 P48 - ZTF-Cam g-ZTF SDSS J235345.43+091432.8 nan ZTF ZTF21abfxhlw 2021qgo
Image Spectra 81259 86445 AT 2021qgj 1.276 14.451 nan 2021-06-17 10:27:31.997000 19.667 P48 - ZTF-Cam g-ZTF SDSS J000506.28+142704.1 nan ZTF ZTF21abgywfx 2021qgj
Image Spectra 81271 86440 AT 2021qge 358.196 21.367 nan 2021-06-17 10:26:52.002000 20.712 P48 - ZTF-Cam g-ZTF SDSS J235246.95+212203.1 nan ZTF ZTF21abgzhrr 2021qge
Image Spectra 81270 86444 AT 2021qgi 0.597 16.287 nan 2021-06-17 10:26:52.002000 20.292 P48 - ZTF-Cam g-ZTF SDSS J000223.24+161715.0 nan ZTF ZTF21abgywkw 2021qgi
Image Spectra 81254 86432 AT 2021qfw 357.978 33.581 nan 2021-06-17 10:22:04.800000 19.160 P48 - ZTF-Cam g-ZTF nan ZTF ZTF21abgyvwt 2021qfw
Image Spectra 81335 86513 AT 2021qix 4.908 2.599 nan 2021-06-17 09:51:50.400000 18.340 Gaia - Gaia-photometric G-Gaia nan GaiaAlerts Gaia21cxe 2021qix
Image Spectra 81257 86446 AT 2021qgk 282.766 47.065 nan 2021-06-17 09:18:14.999000 20.276 P48 - ZTF-Cam g-ZTF WISEA J185104.05+470351.5 nan ZTF ZTF21abgylbf 2021qgk
Image Spectra 81274 86452 AT 2021qgq 263.454 11.356 nan 2021-06-17 09:08:36.672000 19.947 P48 - ZTF-Cam g-ZTF nan ZTF ZTF21abfdzhp 2021qgq
Image Spectra 81334 86511 AT 2021qiv 289.173 -23.892 nan 2021-06-17 08:31:12 19.290 P48 - ZTF-Cam r-ZTF nan ZTF ZTF21abgxzfi 2021qiv
Image Spectra 81267 86447 AT 2021qgl 238.176 23.163 nan 2021-06-17 07:15:02.002000 20.344 P48 - ZTF-Cam g-ZTF 2MASX J15524195+2309484 0.068 ZTF ZTF21abgxmlp 2021qgl
Image Spectra 81265 86448 AT 2021qgm 236.700 10.970 nan 2021-06-17 07:12:18.999000 20.131 P48 - ZTF-Cam g-ZTF SDSS J154647.99+105811.2 nan ZTF ZTF21abgxcvc 2021qgm
Image Spectra 81207 86387 AT 2021qee 189.087 25.994 nan 2021-06-16 22:55:01.632000 16.930 Other - Other Clear- NGC 4565 0.004 GSNST GSNST-21bn 2021qee
Image Spectra 81325 86492 AT 2021qic 338.090 -45.560 nan 2021-06-16 21:04:19.200000 18.420 Gaia - Gaia-photometric G-Gaia nan GaiaAlerts Gaia21cwq 2021qic
Image Spectra 81327 86504 AT 2021qio 359.692 -3.580 nan 2021-06-16 20:13:55.200000 18.030 Gaia - Gaia-photometric G-Gaia nan GaiaAlerts Gaia21cxc 2021qio
Image Spectra 81318 86493 AT 2021qid 136.604 60.862 nan 2021-06-16 18:14:24 18.840 Gaia - Gaia-photometric G-Gaia nan GaiaAlerts Gaia21cwr 2021qid
Image Spectra 81324 86496 AT 2021qig 153.586 49.508 nan 2021-06-16 18:00:00 18.030 Gaia - Gaia-photometric G-Gaia nan GaiaAlerts Gaia21cwx 2021qig
Image Spectra 81220 86398 AT 2021qep 2.935 12.079 nan 2021-06-16 13:59:31.200000 19.267 ATLAS1 - ACAM1 cyan-ATLAS nan ATLAS ATLAS21wxq 2021qep
Image Spectra 81310 86489 AT 2021qia 271.442 31.532 nan 2021-06-16 09:53:16.800000 19.026 ATLAS1 - ACAM1 cyan-ATLAS nan ATLAS ATLAS21wwd 2021qia
Image Spectra 81199 86380 AT 2021qdy 267.093 28.535 nan 2021-06-16 09:51:50.400000 19.639 ATLAS1 - ACAM1 cyan-ATLAS nan ATLAS ATLAS21wsz 2021qdy
Image Spectra 81204 86382 AT 2021qea 267.396 17.217 nan 2021-06-16 09:43:12 14.976 ATLAS1 - ACAM1 cyan-ATLAS nan ATLAS ATLAS21wuw 2021qea
Image Spectra 81332 86510 AT 2021qiu 326.458 15.184 nan 2021-06-16 09:38:52.800000 18.980 P48 - ZTF-Cam r-ZTF nan ZTF ZTF21abhhrpj 2021qiu
Image Spectra 81376 86555 AT 2021qkm 236.879 10.786 nan 2021-06-16 09:34:33.600000 21.310 PS1 - GPC1 w-PS1 nan Pan-STARRS1 PS21gfa 2021qkm
Image Spectra 81319 86500 AT 2021qik 44.504 60.640 nan 2021-06-16 08:41:16.800000 18.620 Gaia - Gaia-photometric G-Gaia nan GaiaAlerts Gaia21cxb 2021qik
Image Spectra 81360 86538 AT 2021qjv 227.696 49.205 nan 2021-06-16 06:55:17.760000 19.678 P48 - ZTF-Cam g-ZTF nan ZTF ZTF20abcjdwu 2021qjv
Image Spectra 81219 86395 AT 2021qem 200.123 -43.581 nan 2021-06-16 04:27:50.400000 16.710 Gaia - Gaia-photometric G-Gaia nan GaiaAlerts Gaia21cwn 2021qem
Image Spectra 81313 86499 AT 2021qij 207.901 -51.420 nan 2021-06-16 04:19:12 15.810 Gaia - Gaia-photometric G-Gaia nan GaiaAlerts Gaia21cxa 2021qij
78019 record(s) found. Showing page 1 / 1561.