Discovery Date: 2023-01-14 03:11:05 UTC
Discovery MJD: 59958.13
Disc r-Mag: 16.20±0.03
Latest Date: 2023-02-09 02:23:31 UTC
Latest MJD: 59984.10
Latest g-Mag: 16.90±0.04
Transient Name Server
SN Ia SN2023fa
The transient was discovered on 11th January 2023 at 00:52:29 (MJD 59955.04) by ATLAS as ATLAS23ahs with a discovery magnitude of orange = 17.33. It was subsequently classified as a SN Ia at z = 0.019.
Sherlock Contextual Classification
The transient is possibly associated with IC1705; a J=11.05 mag galaxy found in the NED_D/SDSS/2MASS/LASR/PS1 catalogues. Its located 8.50" S, 4.59" W (3.4 Kpc) from the galaxy centre. A host distance of 73.4 Mpc(z=0.019) implies a m - M = 34.33.
Difference Image Lightcurve
Access the data from this plot in the ZTF Alert Packet Data table below.