ZTF21aabgdda

194.357700, 55.673952

Discovery Date: 2021-01-05 10:54:58 UTC
Discovery MJD: 59219.45
Disc g-Mag: 19.65±0.19
Latest Date: 2021-02-20 07:24:11 UTC
Latest MJD: 59265.31
Latest r-Mag: 19.50±0.16
Peak Mag 18.35±0.11 (g-band)
Peak Date 2021-01-15 11:21:46
Peak MJD 59229.47
Detection Count 21 (excluding 0 neg flux detections)
Equatorial Coords 12:57:25.848, 55:40:26.229
Galactic Coords 121.165022, 61.433733
Ecliptic Coords 159.872890, 54.421363

Transient Name Server

SN Ia SN2021qj

The transient was discovered on 5th January 2021 at 10:54:58 (MJD 59219.45) by ZTF as ZTF21aabgdda with a discovery magnitude of g = 19.65. It was subsequently classified as a SN Ia at z = 0.096.

Sherlock Contextual Classification

Prediction: Supernova

The transient is possibly associated with SDSS J125725.51+554027.5; a B=17.39 mag galaxy found in the SDSS/2MASS/GLADE/GAIA/PS1 catalogues. Its located 1.04" S, 2.62" E (4.8 Kpc) from the galaxy centre. A host z=0.096 implies a m - M = 38.21.

Difference Image Lightcurves

Access the data from these plots in the ZTF Alert Packet Data table below. Double click on the plots to see the full lightcurve.

Context Map

Recent Image Stamps

target

reference

difference

ZTF Alert Packet Data

MJD UTC Filter unforced mag unforced mag status forced flux (μJy) images alert packet
59265.308472 2021-02-20 07:24:11 r 19.498 ± 0.164 +ve target ref diff data
59260.412951 2021-02-15 09:54:39 r 19.581 ± 0.279 +ve target ref diff data
59256.494699 2021-02-11 11:52:22 g 19.967 ± 0.159 +ve target ref diff data
59254.452000 g 20.465 limit
59254.404375 2021-02-09 09:42:17 r 19.334 ± 0.140 +ve target ref diff data
59252.496551 2021-02-07 11:55:01 g 19.706 ± 0.134 +ve target ref diff data
59252.328623 2021-02-07 07:53:13 r 19.298 ± 0.136 +ve target ref diff data
59250.436701 2021-02-05 10:28:51 r 19.232 ± 0.175 +ve target ref diff data
59250.361412 2021-02-05 08:40:25 g 19.420 ± 0.145 +ve target ref diff data
59248.473333 2021-02-03 11:21:35 g 19.230 ± 0.093 +ve target ref diff data
59248.425972 2021-02-03 10:13:23 r 19.165 ± 0.120 +ve target ref diff data
59231.477778 2021-01-17 11:28:00 r 18.595 ± 0.066 +ve target ref diff data
59231.430532 2021-01-17 10:19:57 g 18.427 ± 0.063 +ve target ref diff data
59229.513960 r 19.957 limit
59229.473449 2021-01-15 11:21:46 g 18.348 ± 0.108 +ve target ref diff data
59227.488079 2021-01-13 11:42:49 g 18.513 ± 0.074 +ve target ref diff data
59227.387384 2021-01-13 09:17:50 r 18.670 ± 0.170 +ve target ref diff data
59227.387384 2021-01-13 09:17:50 r 18.670 ± 0.170 +ve target ref diff data
59225.516390 r 18.234 limit
59225.487118 2021-01-11 11:41:27 g 18.673 ± 0.113 +ve target ref diff data
59223.487812 2021-01-09 11:42:26 r 19.024 ± 0.128 +ve target ref diff data
59223.407164 2021-01-09 09:46:19 g 18.944 ± 0.115 +ve target ref diff data
59221.519630 2021-01-07 12:28:15 g 19.260 ± 0.108 +ve target ref diff data
59219.507580 r 19.853 limit
59219.454850 2021-01-05 10:54:58 g 19.653 ± 0.189 +ve target ref diff data
59217.465010 r 20.174 limit
59217.446590 g 19.743 limit
59215.497010 g 19.081 limit
59215.469680 r 19.345 limit
59206.488550 r 18.100 limit
59203.546810 g 20.441 limit
59203.491040 r 20.108 limit
59200.546460 r 20.099 limit
59200.475710 g 19.384 limit
59198.532490 g 20.461 limit
59198.468760 r 19.998 limit
59194.536840 g 20.416 limit
59194.505070 r 20.560 limit
59189.518080 g 20.319 limit
59189.472310 r 20.077 limit
MJD filter unforced_mag unforced_mag_error unforced_mag_status forced_ujy forced_ujy_error
59265.308472 r 19.498 0.164 positive
59260.412951 r 19.581 0.279 positive
59256.494699 g 19.967 0.159 positive
59254.452000 g 20.465 limit
59254.404375 r 19.334 0.140 positive
59252.496551 g 19.706 0.134 positive
59252.328623 r 19.298 0.136 positive
59250.436701 r 19.232 0.175 positive
59250.361412 g 19.420 0.145 positive
59248.473333 g 19.230 0.093 positive
59248.425972 r 19.165 0.120 positive
59231.477778 r 18.595 0.066 positive
59231.430532 g 18.427 0.063 positive
59229.513960 r 19.957 limit
59229.473449 g 18.348 0.108 positive
59227.488079 g 18.513 0.074 positive
59227.387384 r 18.670 0.170 positive
59227.387384 r 18.670 0.170 positive
59225.516390 r 18.234 limit
59225.487118 g 18.673 0.113 positive
59223.487812 r 19.024 0.128 positive
59223.407164 g 18.944 0.115 positive
59221.519630 g 19.260 0.108 positive
59219.507580 r 19.853 limit
59219.454850 g 19.653 0.189 positive
59217.465010 r 20.174 limit
59217.446590 g 19.743 limit
59215.497010 g 19.081 limit
59215.469680 r 19.345 limit
59206.488550 r 18.100 limit
59203.546810 g 20.441 limit
59203.491040 r 20.108 limit
59200.546460 r 20.099 limit
59200.475710 g 19.384 limit
59198.532490 g 20.461 limit
59198.468760 r 19.998 limit
59194.536840 g 20.416 limit
59194.505070 r 20.560 limit
59189.518080 g 20.319 limit
59189.472310 r 20.077 limit
Need Help?

Start with our documentation on readthedocs, you might find the FAQ section especially useful.

If you still have questions, want to report a bug, or make a feature request, please reach out to us on the Lasair topic on the Rubin Community pages.

readthedocs Lasair Community
Help