ZTF21aaxycms

174.251671, 21.390939

Discovery Date: 2021-05-01 06:07:37 UTC
Discovery MJD: 59335.26
Disc g-Mag: 18.93±0.09
Latest Date: 2021-06-04 04:26:05 UTC
Latest MJD: 59369.18
Latest r-Mag: 20.40±0.17
Peak Mag 18.84±0.11 (g-band)
Peak Date 2021-05-04 04:58:25
Peak MJD 59338.21
Detection Count 18 (excluding 0 neg flux detections)
Equatorial Coords 11:37:0.401, 21:23:27.381
Galactic Coords 227.600958, 72.114355
Ecliptic Coords 166.019818, 17.309690

Transient Name Server

SN Ia SN2021ksm

The transient was discovered on 29th April 2021 at 09:08:38 (MJD 59333.38) by ATLAS as ATLAS21nnm with a discovery magnitude of orange = 19.08. It was subsequently classified as a SN Ia at z = 0.080.

Sherlock Contextual Classification

Prediction: Supernova

The transient is possibly associated with SDSS J113658.9+212352.9; a J=13.76 mag galaxy found in the SDSS/2MASS catalogues. Its located 25.49" S, 19.98" E from the galaxy centre.

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
59369.184780 2021-06-04 04:26:05 r 20.396 ± 0.168 +ve target ref diff data
59367.245127 g 20.506 limit
59367.216458 2021-06-02 05:11:41 r 20.217 ± 0.209 +ve target ref diff data
59365.205532 g 20.479 limit
59363.214931 g 20.614 limit
59361.289711 g 19.202 limit
59361.193634 2021-05-27 04:38:50 r 19.794 ± 0.172 +ve target ref diff data
59358.274016 2021-05-24 06:34:34 r 19.621 ± 0.304 +ve target ref diff data
59358.242546 g 19.232 limit
59353.221354 2021-05-19 05:18:45 g 19.811 ± 0.201 +ve target ref diff data
59353.178079 2021-05-19 04:16:25 r 19.524 ± 0.134 +ve target ref diff data
59350.206319 2021-05-16 04:57:05 g 19.497 ± 0.180 +ve target ref diff data
59348.194826 2021-05-14 04:40:33 r 19.197 ± 0.105 +ve target ref diff data
59346.330590 2021-05-12 07:56:03 g 19.104 ± 0.140 +ve target ref diff data
59344.257269 2021-05-10 06:10:27 g 19.042 ± 0.092 +ve target ref diff data
59344.224607 2021-05-10 05:23:26 r 18.993 ± 0.093 +ve target ref diff data
59342.277442 2021-05-08 06:39:30 r 18.923 ± 0.094 +ve target ref diff data
59342.235984 2021-05-08 05:39:49 g 18.904 ± 0.088 +ve target ref diff data
59340.232998 2021-05-06 05:35:31 r 18.961 ± 0.125 +ve target ref diff data
59340.214491 2021-05-06 05:08:51 g 18.854 ± 0.098 +ve target ref diff data
59338.237639 2021-05-04 05:42:12 r 18.964 ± 0.078 +ve target ref diff data
59338.207234 2021-05-04 04:58:25 g 18.837 ± 0.106 +ve target ref diff data
59335.255301 2021-05-01 06:07:37 g 18.934 ± 0.094 +ve target ref diff data
59335.208171 r 20.247 limit
59329.316632 g 19.079 limit
59329.234838 r 19.466 limit
59324.252130 r 20.205 limit
59324.172338 g 20.029 limit
59322.270891 r 20.368 limit
59322.208472 g 20.403 limit
59320.175590 g 20.731 limit
59317.236146 g 21.119 limit
59317.194074 r 20.706 limit
59315.249572 r 19.214 limit
59315.213357 g 20.886 limit
59313.250289 g 20.461 limit
59313.214583 r 20.335 limit
59311.212813 g 20.456 limit
59311.171875 r 19.827 limit
59309.234896 r 20.231 limit
59309.193715 g 20.590 limit
59307.277732 g 20.728 limit
59307.246377 r 20.679 limit
MJD filter unforced_mag unforced_mag_error unforced_mag_status forced_ujy forced_ujy_error
59369.184780 r 20.396 0.168 positive
59367.245127 g 20.506 limit
59367.216458 r 20.217 0.209 positive
59365.205532 g 20.479 limit
59363.214931 g 20.614 limit
59361.289711 g 19.202 limit
59361.193634 r 19.794 0.172 positive
59358.274016 r 19.621 0.304 positive
59358.242546 g 19.232 limit
59353.221354 g 19.811 0.201 positive
59353.178079 r 19.524 0.134 positive
59350.206319 g 19.497 0.180 positive
59348.194826 r 19.197 0.105 positive
59346.330590 g 19.104 0.140 positive
59344.257269 g 19.042 0.092 positive
59344.224607 r 18.993 0.093 positive
59342.277442 r 18.923 0.094 positive
59342.235984 g 18.904 0.088 positive
59340.232998 r 18.961 0.125 positive
59340.214491 g 18.854 0.098 positive
59338.237639 r 18.964 0.078 positive
59338.207234 g 18.837 0.106 positive
59335.255301 g 18.934 0.094 positive
59335.208171 r 20.247 limit
59329.316632 g 19.079 limit
59329.234838 r 19.466 limit
59324.252130 r 20.205 limit
59324.172338 g 20.029 limit
59322.270891 r 20.368 limit
59322.208472 g 20.403 limit
59320.175590 g 20.731 limit
59317.236146 g 21.119 limit
59317.194074 r 20.706 limit
59315.249572 r 19.214 limit
59315.213357 g 20.886 limit
59313.250289 g 20.461 limit
59313.214583 r 20.335 limit
59311.212813 g 20.456 limit
59311.171875 r 19.827 limit
59309.234896 r 20.231 limit
59309.193715 g 20.590 limit
59307.277732 g 20.728 limit
59307.246377 r 20.679 limit
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