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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82701 record(s) found, showing page 1 / 1655.

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 86054 92640 AT 2021zgm 278.951 22.463 nan 2021-09-23 03:17:16.800000 19.150 P48 - ZTF-Cam g-ZTF nan ZTF ZTF21acdoyqt 2021zgm
Image Spectra 86038 92634 AT 2021zgg 102.941 -42.224 nan 2021-09-22 14:38:24 16.349 ATLAS1 - ACAM1 orange-ATLAS nan ATLAS ATLAS21bjaj 2021zgg
Image Spectra 86041 92633 AT 2021zgf 26.347 -42.700 nan 2021-09-22 10:58:04.800000 17.518 ATLAS1 - ACAM1 orange-ATLAS nan ATLAS ATLAS21bjai 2021zgf
Image Spectra 86033 92615 AT 2021zfw 322.907 11.833 nan 2021-09-22 09:05:45.600000 17.020 PS1 - GPC1 r-Sloan nan Pan-STARRS1 PS21kei 2021zfw
Image Spectra 86029 92616 AT 2021zfx 317.349 9.761 nan 2021-09-22 09:04:19.200000 18.430 PS1 - GPC1 r-Sloan nan Pan-STARRS1 PS21kek 2021zfx
Image Spectra 86039 92631 AT 2021zgd 318.945 -34.822 nan 2021-09-22 08:49:55.200000 16.777 ATLAS1 - ACAM1 orange-ATLAS nan ATLAS ATLAS21bjad 2021zgd
Image Spectra 86040 92630 AT 2021zgc 300.877 -38.324 nan 2021-09-22 07:23:31.200000 17.381 ATLAS1 - ACAM1 orange-ATLAS nan ATLAS ATLAS21bizy 2021zgc
Image Spectra 86036 92629 AT 2021zgb 270.932 28.854 nan 2021-09-22 05:42:43.200000 19.072 ATLAS1 - ACAM1 orange-ATLAS nan ATLAS ATLAS21bizw 2021zgb
Image Spectra 86051 92644 AT 2021zgq 252.396 27.841 nan 2021-09-22 03:24:28.800000 20.070 P48 - ZTF-Cam r-ZTF nan ZTF ZTF21acdoydr 2021zgq
Image Spectra 86042 92628 AT 2021zga 101.909 56.145 nan 2021-09-21 14:12:28.800000 17.233 ATLAS1 - ACAM1 orange-ATLAS nan ATLAS ATLAS21bizs 2021zga
Image Spectra 86031 92612 AT 2021zft 75.371 -17.261 nan 2021-09-21 13:19:12 18.540 PS1 - GPC1 i-Sloan nan Pan-STARRS1 PS21kef 2021zft
Image Spectra 86034 92613 AT 2021zfu 58.110 -30.397 nan 2021-09-21 12:20:09.600000 20.040 PS1 - GPC1 i-Sloan nan Pan-STARRS1 PS21keg 2021zfu
Image Spectra 86032 92614 AT 2021zfv 53.642 -29.372 nan 2021-09-21 12:14:24 20.250 PS1 - GPC1 i-Sloan nan Pan-STARRS1 PS21keh 2021zfv
Image Spectra 86056 92646 AT 2021zgs 132.251 6.188 nan 2021-09-21 12:07:12 19.520 P48 - ZTF-Cam r-ZTF nan ZTF ZTF21acdopud 2021zgs
Image Spectra 86028 92611 AT 2021zfs 323.124 5.346 nan 2021-09-21 09:20:09.600000 16.195 ATLAS1 - ACAM1 orange-ATLAS nan ATLAS ATLAS21biyk 2021zfs
Image Spectra 86055 92645 AT 2021zgr 256.746 17.674 nan 2021-09-21 03:41:45.600000 19.830 P48 - ZTF-Cam g-ZTF nan ZTF ZTF21acdkxks 2021zgr
Image Spectra 86018 92601 AT 2021zfi 302.995 -19.379 nan 2021-09-21 00:21:10 14.900 Other - Other Clear- nan BraTS BraTS-SON-T2-032 2021zfi
Image Spectra 86012 92595 AT 2021zfc 234.542 -68.083 nan 2021-09-20 19:03:19.872000 13.700 Other - Other Clear- nan MASTER MASTER OT J153810.02-680459.9 2021zfc
Image Spectra 86009 92593 AT 2021zfa 73.077 -25.618 nan 2021-09-20 13:10:33.600000 18.252 ATLAS1 - ACAM1 orange-ATLAS nan ATLAS ATLAS21biyb 2021zfa
Image Spectra 86061 92647 AT 2021zgt 104.833 18.301 nan 2021-09-20 11:49:55.200000 19.950 P48 - ZTF-Cam r-ZTF nan ZTF ZTF21acdnynx 2021zgt
Image Spectra 86052 92648 AT 2021zgu 73.435 0.823 nan 2021-09-20 11:35:31.200000 19.980 P48 - ZTF-Cam r-ZTF nan ZTF ZTF21acdnnfg 2021zgu
Image Spectra 86027 92610 AT 2021zfr 45.131 -14.956 nan 2021-09-20 09:36:00 19.570 P48 - ZTF-Cam r-ZTF nan ZTF ZTF21acdcxfz 2021zfr
Image Spectra 86023 92605 AT 2021zfm 78.259 67.736 nan 2021-09-20 08:20:18.997000 19.336 P48 - ZTF-Cam g-ZTF WISEA J051302.48+674410.8 nan ZTF ZTF21acddrbu 2021zfm
Image Spectra 86008 92590 AT 2021zex 33.524 5.176 nan 2021-09-20 07:56:15.072000 19.310 P48 - ZTF-Cam g-ZTF nan ZTF ZTF21acdcxaf 2021zex
Image Spectra 86004 92586 AT 2021zet 328.056 -23.377 nan 2021-09-20 05:32:38.400000 18.180 P48 - ZTF-Cam r-ZTF nan ZTF ZTF21acdezwk 2021zet
Image Spectra 86002 92585 AT 2021zes 270.662 22.812 nan 2021-09-20 03:41:02.400000 19.460 P48 - ZTF-Cam g-ZTF nan ZTF ZTF21acdenra 2021zes
Image Spectra 86057 92651 AT 2021zgx 277.901 20.326 nan 2021-09-20 03:40:19.200000 19.250 P48 - ZTF-Cam g-ZTF nan ZTF ZTF21acdenty 2021zgx
Image Spectra 86007 92592 AT 2021zez 269.842 32.401 nan 2021-09-20 03:28:07.003000 19.526 P48 - ZTF-Cam g-ZTF nan ZTF ZTF21acdemmd 2021zez
Image Spectra 86017 92600 AT 2021zfh 144.431 20.746 nan 2021-09-19 12:25:55.200000 19.050 P48 - ZTF-Cam r-ZTF nan ZTF ZTF18acyxtxh 2021zfh
Image Spectra 86026 92608 AT 2021zfp 153.395 38.716 nan 2021-09-19 12:08:15.936000 19.684 P48 - ZTF-Cam r-ZTF nan ZTF ZTF21acddxti 2021zfp
Image Spectra 85989 92571 AT 2021zef 142.064 42.149 nan 2021-09-19 12:07:35 20.088 P48 - ZTF-Cam r-ZTF SDSS J092815.21+420854.8 0.192 ZTF ZTF21acdeatr 2021zef
Image Spectra 85988 92570 AT 2021zee 131.869 33.760 nan 2021-09-19 12:06:54.003000 20.362 P48 - ZTF-Cam r-ZTF SDSS J084728.51+334538.3 nan ZTF ZTF21acdebqp 2021zee
Image Spectra 86022 92602 AT 2021zfj 134.020 21.969 nan 2021-09-19 12:05:45.600000 19.420 P48 - ZTF-Cam r-ZTF nan ZTF ZTF21acdksbr 2021zfj
Image Spectra 86014 92597 AT 2021zfe 0.535 78.017 nan 2021-09-19 11:50:54.816000 20.210 P48 - ZTF-Cam g-ZTF nan ZTF ZTF21acdjasw 2021zfe
Image Spectra 85993 92575 AT 2021zej 28.559 -17.512 nan 2021-09-19 10:03:40.997000 19.612 P48 - ZTF-Cam r-ZTF SDSS J015414.24-173044.0 nan ZTF ZTF21accyvib 2021zej
Image Spectra 85992 92573 AT 2021zeh 344.039 13.098 nan 2021-09-19 06:28:44 18.323 P48 - ZTF-Cam g-ZTF SDSS J225609.42+130551.5 0.037 ZTF ZTF21acdalyp 2021zeh
Image Spectra 86025 92609 AT 2021zfq 298.194 50.547 nan 2021-09-19 05:17:07.872000 19.475 P48 - ZTF-Cam g-ZTF nan ZTF ZTF21acdajtx 2021zfq
Image Spectra 85997 92579 AT 2021zen 302.693 51.357 nan 2021-09-19 05:16:48 17.580 P48 - ZTF-Cam g-ZTF nan ZTF ZTF21acdagst 2021zen
Image Spectra 86053 92639 AT 2021zgl 273.038 32.084 nan 2021-09-19 04:55:12 19.730 P48 - ZTF-Cam r-ZTF nan ZTF ZTF21acdpinj 2021zgl
Image Spectra 86060 92638 AT 2021zgk 284.320 37.989 nan 2021-09-19 04:53:45.600000 19.790 P48 - ZTF-Cam r-ZTF nan ZTF ZTF21acdphro 2021zgk
Image Spectra 86059 92642 AT 2021zgo 235.097 21.779 nan 2021-09-19 03:54:43.200000 19.630 P48 - ZTF-Cam g-ZTF nan ZTF ZTF21acdabbh 2021zgo
Image Spectra 85969 92553 AT 2021zdn 10.661 41.146 nan 2021-09-19 00:58:32.160000 20.710 Other - Other Clear- M31 -0.001 GSNST GSNST-21cg 2021zdn
Image Spectra 85968 92552 AT 2021zdm 10.815 41.428 nan 2021-09-19 00:58:32.160000 19.502 Other - Other Clear- M31 -0.001 GSNST GSNST-21ef 2021zdm
Image Spectra 85967 92551 AT 2021zdl 80.230 1.275 nan 2021-09-19 00:30:10.944000 20.890 Other - Other Clear- Unknown nan GSNST GSNST-21ce 2021zdl
Image Spectra 85961 92547 AT 2021zdh 10.672 41.242 nan 2021-09-18 14:35:32.928000 18.400 Other - Other Clear- M31 nan XOSS XM58MZ 2021zdh
Image Spectra 85983 92566 AT 2021zea 44.172 -15.383 nan 2021-09-18 14:25:26.400000 21.350 PS1 - GPC1 w-PS1 nan Pan-STARRS1 PS21kdj 2021zea
Image Spectra 85980 92564 AT 2021zdy 58.653 -12.489 nan 2021-09-18 14:22:33.600000 21.030 PS1 - GPC1 w-PS1 nan Pan-STARRS1 PS21kdf 2021zdy
Image Spectra 85976 92558 AT 2021zds 54.688 -13.812 nan 2021-09-18 14:19:40.800000 21.180 PS1 - GPC1 w-PS1 nan Pan-STARRS1 PS21kcu 2021zds
Image Spectra 85975 92561 AT 2021zdv 54.168 -11.592 nan 2021-09-18 14:18:14.400000 21.000 PS1 - GPC1 w-PS1 nan Pan-STARRS1 PS21kcz 2021zdv
Image Spectra 85973 92559 AT 2021zdt 48.454 -13.862 nan 2021-09-18 14:13:55.200000 20.310 PS1 - GPC1 w-PS1 nan Pan-STARRS1 PS21kcw 2021zdt
82701 record(s) found. Showing page 1 / 1655.