Discovery Date: 2026-02-20 00:52:18 UTC
Discovery MJD: 61091.04
Disc i-Flux: -1661.75±311.90
Latest Date: 2026-02-24 01:41:25 UTC
Latest MJD: 61095.07
Latest i-Flux: -2814.15±479.91
| Peak Flux | 3960.28±691.98 (z-band) |
| UTC at Peak | 2026-02-20 02:12:44 |
| MJD at Peak | 61091.09 |
| Detection Count | 4 |
| Equatorial Lon,Lat | 04:10:11.180, -47:19:49.146 |
| Galactic Lon,Lat | 254.257310, -46.512532 |
| Ecliptic Lon,Lat | 39.691434, -66.041648 |
| E(B-V) Extinction | 0.016945 |
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 04101123-4719509; a J=13.30 mag galaxy found in the 2MASS/LASR/DESI catalogues. Its located 1.90" N, 0.56" W (0.4 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 |
|---|---|---|---|---|---|---|
| 61095.070434 | 2026-02-24 01:41:25 | z | -2814 ± 480 | 0.16 | target ref diff | data |
| 61094.116862 | 2026-02-23 02:48:16 | r | 1663 ± 321 | 0.19 | target ref diff | data |
| 61091.092177 | 2026-02-20 02:12:44 | z | 3960 ± 692 | 0.17 | target ref diff | data |
| 61091.036327 | 2026-02-20 00:52:18 | i | -1662 ± 312 | 0.16 | 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.