Discovery Date: 2026-02-19 02:25:05 UTC
Discovery MJD: 61090.10
Disc r-Flux: -1305.30±218.46
Latest Date: 2026-02-24 02:14:00 UTC
Latest MJD: 61095.09
Latest r-Flux: -1006.87±189.98
| Peak Flux | -1006.87±189.98 (r-band) |
| UTC at Peak | 2026-02-24 02:14:00 |
| MJD at Peak | 61095.09 |
| Detection Count | 4 |
| Equatorial Lon,Lat | 04:02:22.796, -48:47:34.598 |
| Galactic Lon,Lat | 256.732661, -47.508368 |
| Ecliptic Lon,Lat | 35.096309, -66.713817 |
| E(B-V) Extinction | 0.013064 |
Transient Name Server
AT2025efu
The transient was discovered on 25th January 2025 at 03:59:49 (MJD 60700.17) by YSE as with a discovery magnitude of r = 23.99..
Sherlock Contextual Classification
Prediction: Supernova
The transient is possibly associated with 10000,82212,7194; an r=19.67 mag galaxy found in the DESI catalogue. Its located 0.05" N, 0.31" E from the galaxy centre.
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 |
|---|---|---|---|---|---|---|
| 61095.093067 | 2026-02-24 02:14:00 | r | -1007 ± 190 | 0.12 | target ref diff | data |
| 61095.083331 | 2026-02-24 01:59:59 | r | -1040 ± 185 | 0.14 | target ref diff | data |
| 61091.102976 | 2026-02-20 02:28:17 | r | -1103 ± 211 | 0.13 | target ref diff | data |
| 61090.100760 | 2026-02-19 02:25:05 | r | -1305 ± 218 | 0.11 | 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.