Discovery Date: 2026-02-20 02:28:54 UTC
Discovery MJD: 61091.10
Disc r-Flux: -1212.68±249.06
Latest Date: 2026-02-24 02:09:01 UTC
Latest MJD: 61095.09
Latest r-Flux: -999.97±193.07
| Peak Flux | -999.97±193.07 (r-band) |
| UTC at Peak | 2026-02-24 02:09:01 |
| MJD at Peak | 61095.09 |
| Detection Count | 5 |
| Equatorial Lon,Lat | 04:10:11.066, -47:19:48.194 |
| Galactic Lon,Lat | 254.257010, -46.512895 |
| Ecliptic Lon,Lat | 39.691018, -66.041266 |
| E(B-V) Extinction | 0.016951 |
Transient Name Server
AT2020xyq
The transient was discovered on 22nd September 2020 at 07:00:28 (MJD 59114.29) by GaiaAlerts as Gaia20exd with a discovery magnitude of G = 17.67..
Sherlock Contextual Classification
Prediction: Supernova
The transient is possibly associated with ESO250-G009; a J=13.30 mag galaxy found in the LASR/2MASS/DESI catalogues. Its located 2.51" N, 1.96" W (0.7 Kpc) from the galaxy centre. A host z=0.013 implies a m - M = 33.71.
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 |
|---|---|---|---|---|---|---|
| 61095.089601 | 2026-02-24 02:09:01 | r | -1000 ± 193 | 0.25 | target ref diff | data |
| 61095.046485 | 2026-02-24 01:06:56 | i | -1376 ± 279 | 0.28 | target ref diff | data |
| 61091.158956 | 2026-02-20 03:48:53 | r | -1344 ± 246 | 0.24 | target ref diff | data |
| 61091.152713 | 2026-02-20 03:39:54 | r | -1538 ± 307 | 0.16 | target ref diff | data |
| 61091.103405 | 2026-02-20 02:28:54 | r | -1213 ± 249 | 0.34 | target ref diff | data |
| MJD | filter | magpsf | magpsf_error | flux_status |
|---|
Need Help?
readthedocs
Lasair Community
Start with our documentation on readthedocs, you might find the FAQ section especially useful.
If you still have questions, want to report a bug, or make a feature request, please reach out to us on the Lasair topic on the Rubin Community pages.