Discovery Date: 2026-02-20 03:56:50 UTC
Discovery MJD: 61091.16
Disc i-Flux: -1258.69±225.00
Latest Date: 2026-02-23 04:10:29 UTC
Latest MJD: 61094.17
Latest i-Flux: 789.86±133.64
| Peak Flux | 1564.62±254.83 (g-band) |
| UTC at Peak | 2026-02-20 05:04:01 |
| MJD at Peak | 61091.21 |
| Detection Count | 4 |
| Equatorial Lon,Lat | 10:01:56.491, 01:26:57.156 |
| Galactic Lon,Lat | 237.936822, 41.975250 |
| Ecliptic Lon,Lat | 152.033509, -9.944646 |
| E(B-V) Extinction | 0.021656 |
Transient Name Server
AT2025gdh
The transient was discovered on 18th February 2025 at 04:53:57 (MJD 60724.20) by DESIRT as C202502181001566p012655 with a discovery magnitude of i = 22.38..
Sherlock Contextual Classification
Prediction: Supernova
The transient is possibly associated with SDSSJ100156.61%2B012655.6; an r=17.11 mag galaxy found in the NED/SDSS/DESI/PS1 catalogues. Its located 1.47" N, 2.07" W (3.9 Kpc) from the galaxy centre. A host z=0.086 implies a m - M = 37.98.
Difference Image Lightcurve
Access the data from this plot in the LSST Alert Packet Data table below.
Context Map
LSST Alert Packet Data
| MJD | UTC | band | target diff flux | reliability | images | alert packet |
|---|---|---|---|---|---|---|
| 61094.173948 | 2026-02-23 04:10:29 | g | 790 ± 134 | 0.14 | target ref diff | data |
| 61091.211126 | 2026-02-20 05:04:01 | g | 1565 ± 255 | 0.11 | target ref diff | data |
| 61091.174029 | 2026-02-20 04:10:36 | g | 763 ± 144 | 0.14 | target ref diff | data |
| 61091.164479 | 2026-02-20 03:56:50 | i | -1259 ± 225 | 0.11 | target ref diff | data |
| MJD | filter | magpsf | magpsf_error | flux_status |
|---|
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