Discovery Date: 2026-02-19 05:28:35 UTC
Discovery MJD: 61090.23
Disc g-Flux: 3603.31±308.21
Latest Date: 2026-02-24 02:50:16 UTC
Latest MJD: 61095.12
Latest g-Flux: -2494.71±437.30
| Peak Flux | 4119.03±665.35 (z-band) |
| UTC at Peak | 2026-02-19 05:36:36 |
| MJD at Peak | 61090.23 |
| Detection Count | 3 |
| Equatorial Lon,Lat | 10:00:10.229, 02:09:18.110 |
| Galactic Lon,Lat | 236.818162, 42.029856 |
| Ecliptic Lon,Lat | 151.362127, -9.438638 |
| E(B-V) Extinction | 0.018917 |
Transient Name Server
AT2026ctt
The transient was discovered on 28th January 2026 at 07:18:53 (MJD 61068.30) by DESIRT as C202512181000103p020922 with a discovery magnitude of i = 21.59..
Sherlock Contextual Classification
Prediction: Supernova
The transient is possibly associated with ARK227; an r=13.64 mag galaxy found in the NED/LASR/DESI catalogues. Its located 3.53" S, 2.23" W (1.3 Kpc) from the galaxy centre. A host z=0.015 implies a m - M = 34.06.
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 |
|---|---|---|---|---|---|---|
| 61095.118246 | 2026-02-24 02:50:16 | z | -2495 ± 437 | 0.15 | target ref diff | data |
| 61090.233751 | 2026-02-19 05:36:36 | z | 4119 ± 665 | 0.15 | target ref diff | data |
| 61090.228190 | 2026-02-19 05:28:35 | g | 3603 ± 308 | 0.19 | target ref diff | data |
| MJD | filter | magpsf | magpsf_error | flux_status |
|---|
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