Discovery Date: 2025-11-05 06:01:48 UTC
Discovery MJD: 60984.25
Disc r-Flux: 12153.66±501.27
Latest Date: 2026-02-28 01:01:04 UTC
Latest MJD: 61099.04
Latest r-Flux: -4972.57±352.60
| Peak Flux | 12202.07±212.93 (r-band) |
| UTC at Peak | 2025-11-09 03:21:44 |
| MJD at Peak | 60988.14 |
| Detection Count | 16 |
| Equatorial Lon,Lat | 03:30:3.146, -27:29:32.314 |
| Galactic Lon,Lat | 222.893180, -54.918201 |
| Ecliptic Lon,Lat | 40.567276, -44.710624 |
| E(B-V) Extinction | 0.009476 |
Transient Name Server
AT2025alrx
The transient was discovered on 19th October 2025 at 05:56:02 (MJD 60967.25) by YSE as with a discovery magnitude of g = 23.90..
Sherlock Contextual Classification
Prediction: Supernova
The transient is possibly associated with 10000,178060,15328; an r=20.13 mag galaxy found in the DESI/PS1 catalogues. Its located 0.17" N, 0.16" W from the galaxy centre.
Difference Image Lightcurve
Access the data from this plot in the LSST Alert Packet Data table below.
Context Map
Annotations
| Annotator | Timestamp | Annotation | Explanation | JSON Data | Link |
|---|---|---|---|---|---|
| r0b_lvra a1 | 2026-02-28 01:06:50 | 0.11232052732604778 | r0b - Real Or Bogus Classifier | JSON data | https://las… |
LSST Alert Packet Data
| MJD | UTC | band | target diff flux | reliability | images | alert packet |
|---|---|---|---|---|---|---|
| 61099.042416 | 2026-02-28 01:01:04 | i | -4973 ± 353 | 0.66 | target ref diff | data |
| 61057.166208 | 2026-01-17 03:59:20 | i | -3391 ± 321 | 0.49 | target ref diff | data |
| 61043.130607 | 2026-01-03 03:08:04 | i | -2560 ± 313 | 0.49 | target ref diff | data |
| 61002.262537 | 2025-11-23 06:18:03 | r | 7123 ± 200 | 0.77 | target ref diff | data |
| 61002.229606 | 2025-11-23 05:30:37 | r | 7025 ± 222 | 0.64 | target ref diff | data |
| 61002.229141 | 2025-11-23 05:29:57 | r | 7546 ± 223 | 0.67 | target ref diff | data |
| 60991.255068 | 2025-11-12 06:07:17 | i | 9996 ± 261 | 0.79 | target ref diff | data |
| 60991.254579 | 2025-11-12 06:06:35 | i | 10071 ± 274 | 0.89 | target ref diff | data |
| 60989.260976 | 2025-11-10 06:15:48 | i | 10154 ± 340 | 0.79 | target ref diff | data |
| 60989.260516 | 2025-11-10 06:15:08 | i | 10690 ± 375 | 0.92 | target ref diff | data |
| 60988.140097 | 2025-11-09 03:21:44 | r | 12202 ± 213 | 0.99 | target ref diff | data |
| 60988.139636 | 2025-11-09 03:21:04 | r | 11924 ± 212 | 0.99 | target ref diff | data |
| 60985.251594 | 2025-11-06 06:02:17 | i | 10011 ± 552 | 0.96 | target ref diff | data |
| 60985.251099 | 2025-11-06 06:01:34 | i | 10150 ± 505 | 0.96 | target ref diff | data |
| 60984.251745 | 2025-11-05 06:02:30 | r | 11318 ± 412 | 1.00 | target ref diff | data |
| 60984.251250 | 2025-11-05 06:01:48 | r | 12154 ± 501 | 1.00 | target ref diff | data |
| MJD | filter | magpsf | magpsf_error | flux_status |
|---|
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