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.


Zwicky Transient Facility (ZTF)

This page provides a default interface to the ZTF. The table lists ZTF records in descending order by jd. 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. You can access an alert's previous alerts by visiting /<sid>/ where sid is the value of the sid key in the JSON view or by clicking the sid link in the table.

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169281675 record(s) found. Showing page 1 / 3385634.
Latest Alert: 2021-12-02 13:36:15 UTC

sid objectId Time Filter RA Dec magpsf magap Dist δmaglatest δmagref rbscore drbscore cla*
UTC {g,i,r} J2k(°) J2k(°) mag mag pxl δmag δmag 0–1 0–1 0–1
172277882 ZTF21acrcqbx 2021-12-02 13:36:15 r 196.727 5.836 18.406 18.738 10.14 None None 0.26 0.00 1.00
172277887 ZTF21acrcqby 2021-12-02 13:36:15 r 200.113 2.447 16.226 16.253 8.16 None None 0.86 1.00 1.00
172277888 ZTF21acrcqbz 2021-12-02 13:36:15 r 201.131 3.714 18.373 18.202 9.87 None None 0.82 1.00 0.99
172277891 ZTF18acqzkjw 2021-12-02 13:36:15 r 200.234 2.194 17.441 17.499 0.42 0.106 -1.979 0.80 0.94 1.00
172277898 ZTF21acrcqci 2021-12-02 13:36:15 r 196.770 2.806 18.860 18.800 7.83 None None 0.17 0.91 0.98
172277900 ZTF21acrcqcj 2021-12-02 13:36:15 r 196.904 3.397 19.539 19.652 8.76 None None 0.67 1.00 0.93
172277912 ZTF18acwqymj 2021-12-02 13:36:15 r 199.011 2.280 16.918 16.855 1.10 0.766 -3.279 0.33 0.31 1.00
172277913 ZTF21acrcqcu 2021-12-02 13:36:15 r 198.875 1.752 18.308 18.316 6.80 None None 0.90 1.00 0.98
172277914 ZTF20aavraxp 2021-12-02 13:36:15 r 198.720 2.405 19.167 19.294 0.10 0.214 -1.290 0.86 1.00 1.00
172277918 ZTF21acrcqcy 2021-12-02 13:36:15 r 197.680 1.150 19.055 18.826 3.01 None None 0.78 1.00 0.98
172277924 ZTF21acrcqdb 2021-12-02 13:36:15 r 197.833 1.937 18.558 18.537 17.48 None None 0.47 0.02 0.98
172277933 ZTF21acrcqdd 2021-12-02 13:36:15 r 197.934 2.774 18.409 18.332 9.17 None None 0.92 1.00 0.98
172277936 ZTF21acrcqde 2021-12-02 13:36:15 r 197.749 3.415 18.843 18.967 19.73 None None 0.35 0.05 0.98
172277941 ZTF21acrcqdh 2021-12-02 13:36:15 r 200.623 6.609 19.165 19.316 10.42 None None 0.23 0.00 0.97
172277949 ZTF18acnbpyw 2021-12-02 13:36:15 r 198.020 6.685 17.825 17.882 0.09 0.029 -1.823 0.72 0.93 1.00
172277951 ZTF18acbball 2021-12-02 13:36:15 r 201.471 2.159 16.219 16.274 0.12 -0.081 -1.469 0.64 0.98 1.00
172277952 ZTF18acbball 2021-12-02 13:36:15 r 201.471 2.159 16.333 16.415 0.12 0.033 -1.583 0.65 0.98 1.00
172277953 ZTF21acrcqdp 2021-12-02 13:36:15 r 201.144 2.027 19.432 19.101 5.45 None None 0.55 0.21 0.98
172277954 ZTF21acrcqdq 2021-12-02 13:36:15 r 201.241 2.131 19.158 19.148 9.40 None None 0.65 0.22 0.98
172277973 ZTF21acrcqef 2021-12-02 13:36:15 r 199.675 1.938 17.559 17.628 5.49 None None 0.92 1.00 0.98
172277974 ZTF18acawqvp 2021-12-02 13:36:15 r 199.819 2.008 18.064 18.173 0.16 -0.050 -1.658 0.54 0.97 1.00
172277975 ZTF21acrcqeg 2021-12-02 13:36:15 r 199.552 2.508 18.853 18.858 13.07 None None 0.22 0.01 0.98
172277976 ZTF21acrcqeh 2021-12-02 13:36:15 r 199.702 2.037 18.893 19.006 7.83 None None 0.42 0.02 0.98
172277978 ZTF21acrcqei 2021-12-02 13:36:15 r 199.589 2.354 18.892 19.137 9.11 None None 0.76 1.00 0.98
172277979 ZTF21acrcqej 2021-12-02 13:36:15 r 199.979 2.370 19.463 19.607 3.10 None None 0.57 1.00 0.99
172278012 ZTF18aavndkn 2021-12-02 13:36:15 r 201.343 6.008 14.903 14.990 0.22 -0.868 -0.400 0.73 0.93 1.00
172278014 ZTF18aavndkp 2021-12-02 13:36:15 r 201.430 6.055 15.048 15.072 0.14 -0.238 -1.241 0.73 0.81 1.00
172278015 ZTF21acrcqfs 2021-12-02 13:36:15 r 196.730 7.308 18.306 18.454 8.25 None None 0.95 1.00 0.98
172278017 ZTF18aavndkp 2021-12-02 13:36:15 r 201.430 6.055 15.019 15.472 0.33 -0.268 -1.212 0.62 0.77 0.85
172278019 ZTF21acrcqfu 2021-12-02 13:36:15 r 196.572 6.763 19.441 19.615 15.87 None None 0.52 0.75 0.96
172278020 ZTF21acrcqft 2021-12-02 13:36:15 r 200.250 6.064 17.417 17.399 6.81 None None 0.94 1.00 1.00
172278021 ZTF18aavndkp 2021-12-02 13:36:15 r 201.430 6.055 15.049 15.559 0.30 -0.238 -1.242 0.62 0.77 0.02
172278022 ZTF21aajuecc 2021-12-02 13:36:15 r 200.836 5.728 19.035 18.691 0.26 -0.008 -0.673 0.86 1.00 0.95
172278024 ZTF18aavndkt 2021-12-02 13:36:15 r 201.683 5.885 17.411 17.430 0.07 -1.120 -0.397 0.82 1.00 0.99
172278026 ZTF21acrcqfr 2021-12-02 13:36:15 r 201.226 6.180 19.113 19.304 4.24 None None 0.39 0.00 1.00
172278031 ZTF18aagradg 2021-12-02 13:36:15 r 202.027 8.195 18.307 18.295 0.37 -0.452 -1.987 0.91 1.00 1.00
172278036 ZTF17aabxowy 2021-12-02 13:36:15 r 198.483 4.281 18.508 18.449 0.30 -0.574 -1.622 0.78 1.00 1.00
172278078 ZTF21acrcqgz 2021-12-02 13:36:15 r 196.567 5.460 17.777 18.065 8.12 None None 0.25 0.00 0.98
172278079 ZTF21acrcqha 2021-12-02 13:36:15 r 196.552 4.995 19.168 18.893 12.89 None None 0.78 1.00 1.00
172278080 ZTF21acrcqhb 2021-12-02 13:36:15 r 196.437 5.014 19.003 19.188 13.90 None None 0.31 0.00 1.00
172278090 ZTF21acrcqho 2021-12-02 13:36:15 r 196.806 1.412 16.586 16.612 4.74 None None 0.79 1.00 1.00
172278091 ZTF21acrcqhp 2021-12-02 13:36:15 r 196.789 1.643 19.428 19.295 1.78 None 3.178 0.33 0.48 0.97
172278102 ZTF21acrcqhv 2021-12-02 13:36:15 r 202.542 3.659 18.862 18.795 8.75 None None 0.15 0.22 0.98
172278106 ZTF21acrcqhw 2021-12-02 13:36:15 r 202.315 3.797 19.349 19.250 8.38 None None 0.47 0.19 1.00
172278109 ZTF18acwyxek 2021-12-02 13:36:15 r 202.371 3.787 19.510 19.514 0.26 -0.210 -1.439 0.75 1.00 0.98
172278116 ZTF21acrcqie 2021-12-02 13:36:15 r 198.977 7.235 17.796 18.053 9.10 None None 0.11 0.00 1.00
172278117 ZTF21acrcqif 2021-12-02 13:36:15 r 198.519 6.837 18.120 18.466 7.68 None None 0.14 0.00 0.98
172278141 ZTF17aabxioz 2021-12-02 13:36:15 r 197.688 4.171 18.342 18.253 0.68 1.030 -1.694 0.87 0.99 1.00
172278145 ZTF21acrcqiz 2021-12-02 13:36:15 r 197.402 4.149 19.151 18.857 2.48 None None 0.80 1.00 0.98
172278149 ZTF21acrcqjb 2021-12-02 13:36:15 r 197.958 4.274 19.224 19.294 5.31 None None 0.86 1.00 0.98
169281675 record(s) found, showing page 1 / 3385634.
Latest Alert: 2021-12-02 13:36:15 UTC