diaObjectId
170028536192565252

187.141788, 7.451108

Discovery Date: 2026-02-19 07:51:51 UTC
Discovery MJD: 61090.33
Disc g-Flux: 1066.29±192.34
Latest Date: 2026-02-24 05:02:19 UTC
Latest MJD: 61095.21
Latest g-Flux: 771.13±140.32
Peak Flux 1066.29±192.34 (g-band)
UTC at Peak 2026-02-19 07:51:51
MJD at Peak 61090.33
Detection Count 2
Equatorial Lon,Lat 12:28:34.029, 07:27:3.989
Galactic Lon,Lat 286.477419, 69.588913
Ecliptic Lon,Lat 183.577942, 9.672445
E(B-V) Extinction 0.024454

Transient Name Server

AT2020dec

The transient was discovered on 23rd February 2020 at 10:13:26 (MJD 58902.43) by ATLAS as ATLAS20ggw with a discovery magnitude of cyan = 18.57..

Sherlock Contextual Classification

Prediction: Supernova

The transient is possibly associated with 2MASXJ12283397%2B0727081; a J=13.96 mag galaxy found in the NED/SDSS/DESI/PS1/2MASS catalogues. Its located 4.30" S, 0.65" E (6.6 Kpc) from the galaxy centre. A host z=0.083 implies a m - M = 37.89.

Difference Image Lightcurve

Access the data from this plot in the LSST Alert Packet Data table below.

Context Map

Recent Image Stamps

target

reference

difference

LSST Alert Packet Data

MJD UTC band target diff flux reliability images alert packet
61095.209944 2026-02-24 05:02:19 g 771 ± 140 0.22 target ref diff data
61090.327682 2026-02-19 07:51:51 g 1066 ± 192 0.26 target ref diff data
MJD filter magpsf magpsf_error flux_status
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