ZTF23aacosic

119.174392, 18.656276

Discovery Date: 2023-02-17 04:04:45 UTC
Discovery MJD: 59992.17
Disc r-Mag: 19.57±0.26
Latest Date: 2023-03-18 04:42:18 UTC
Latest MJD: 60021.20
Latest g-Mag: 19.28±0.10
Peak Mag 18.44±0.07 (r-band)
Peak Date 2023-03-10 05:18:03
Peak MJD 60013.22
Detection Count 8 (excluding 0 neg flux detections)
Equatorial Coords 07:56:41.854, 18:39:22.595
Galactic Coords 202.748626, 22.503510
Ecliptic Coords 117.525782, -2.038554

Transient Name Server

SN Ia SN2023chy

The transient was discovered on 17th February 2023 at 04:04:45 (MJD 59992.17) by ZTF as ZTF23aacosic with a discovery magnitude of r = 19.57. It was subsequently classified as a SN Ia at z = 0.069.

Sherlock Contextual Classification

Prediction: Supernova

The transient is possibly associated with SDSSJ075641.62%2B183920.4; an r=18.06 mag galaxy found in the NED/SDSS/PS1 catalogues. Its located 2.17" N, 3.36" E (5.0 Kpc) from the galaxy centre. A host z=0.065 implies a m - M = 37.33.

Difference Image Lightcurve

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