Discovery Date: 2026-02-20 06:11:00 UTC
Discovery MJD: 61091.26
Disc i-Flux: -1822.87±347.60
Latest Date: 2026-02-24 04:58:42 UTC
Latest MJD: 61095.21
Latest i-Flux: 222.31±224.21
| Peak Flux | 222.31±224.21 (g-band) |
| UTC at Peak | 2026-02-24 04:58:42 |
| MJD at Peak | 61095.21 |
| Detection Count | 5 |
| Equatorial Lon,Lat | 12:28:5.067, 06:58:1.111 |
| Galactic Lon,Lat | 286.497684, 69.090248 |
| Ecliptic Lon,Lat | 183.663099, 9.180855 |
| E(B-V) Extinction | 0.019550 |
Transient Name Server
SN I SN2026asx
The transient was discovered on 19th January 2026 at 13:27:34 (MJD 61059.56) by ZTF as ZTF26aacextk with a discovery magnitude of g = 20.14. It was subsequently classified as a SN I at z = 0.076.
Sherlock Contextual Classification
Prediction: Nuclear Transient
The transient is synonymous with 2MASXJ12280507%2B0658016; an r=16.82 mag galaxy found in the NED/SDSS catalogues. Its located 0.5" (0.7 Kpc) from the galaxy core. A host z=0.077 implies a m - M = 37.71.
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 |
|---|---|---|---|---|---|---|
| 61095.207439 | 2026-02-24 04:58:42 | g | 222 ± 224 | 0.32 | target ref diff | data |
| 61095.205571 | 2026-02-24 04:56:01 | g | -168 ± 223 | 0.26 | target ref diff | data |
| 61094.263032 | 2026-02-23 06:18:45 | r | -1281 ± 245 | 0.36 | target ref diff | data |
| 61094.228801 | 2026-02-23 05:29:28 | i | -47 ± 423 | 0.36 | target ref diff | data |
| 61094.227830 | 2026-02-23 05:28:04 | i | -533 ± 416 | 0.30 | target ref diff | data |
| 61091.257640 | 2026-02-20 06:11:00 | i | -1823 ± 348 | 0.12 | target ref diff | data |
| MJD | filter | magpsf | magpsf_error | flux_status |
|---|
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