Discovery Date: 2026-02-01 13:12:29 UTC
Discovery MJD: 61072.55
Disc r-Mag: 19.90±0.33
Latest Date: 2026-02-05 13:10:40 UTC
Latest MJD: 61076.55
Latest g-Mag: 18.38±0.09
Transient Name Server
AT2026cas
The transient was discovered on 1st February 2026 at 13:12:29 (MJD 61072.55) by ZTF as ZTF26aaewebd with a discovery magnitude of r = 19.89..
Sherlock Contextual Classification
Prediction: Supernova
The transient is possibly associated with 145402674913955403; an r=20.79 mag galaxy found in the PS1 catalogue. Its located 1.03" N, 0.85" W from the galaxy centre.
Difference Image Lightcurves
Access the data from these plots in the ZTF Alert Packet Data table below. Double click on the plots to see the full lightcurve.
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Context Map
DECaLS Sky Browser
ZTF Alert Packet Data
| MJD | UTC | Filter | unforced mag | unforced mag status | forced flux (μJy) | images | alert packet |
|---|---|---|---|---|---|---|---|
| 61076.549074 | 2026-02-05 13:10:40 | g | 18.382 ± 0.087 | +ve | target ref diff | data | |
| 61076.517755 | 2026-02-05 12:25:33 | r | 18.509 ± 0.086 | +ve | 144.6 ± 6.7 | target ref diff | data |
| 61074.552662 | 2026-02-03 13:15:49 | r | 19.098 ± 0.168 | +ve | 83.4 ± 7.0 | target ref diff | data |
| 61074.489097 | 2026-02-03 11:44:17 | g | 18.788 ± 0.249 | +ve | target ref diff | data | |
| 61072.550347 | 2026-02-01 13:12:29 | r | 19.902 ± 0.332 | +ve | 41.3 ± 6.7 | target ref diff | data |
| 61072.488958 | 2026-02-01 11:44:05 | g | 18.547 | limit | 43.5 ± 15.3 | ||
| 61069.548576 | 2026-01-29 13:09:57 | g | 20.136 | limit | 7.0 ± 3.6 | ||
| 61069.497407 | 2026-01-29 11:56:15 | r | 19.543 | limit | 11.4 ± 6.4 | ||
| 61066.550417 | 2026-01-26 13:12:36 | g | 17.380 | limit | |||
| 61066.496632 | 2026-01-26 11:55:08 | r | 18.037 | limit | |||
| 61061.556817 | 2026-01-21 13:21:48 | r | 19.351 | limit | |||
| 61061.514977 | 2026-01-21 12:21:34 | g | 19.100 | limit | 0.5 ± 9.7 | ||
| 61059.549016 | 2026-01-19 13:10:35 | g | 20.063 | limit | 2.2 ± 4.0 | ||
| 61059.504664 | 2026-01-19 12:06:43 | r | 19.802 | limit | 3.2 ± 5.8 |
| MJD | filter | unforced_mag | unforced_mag_error | unforced_mag_status | forced_ujy | forced_ujy_error |
|---|---|---|---|---|---|---|
| 61076.549074 | g | 18.382 | 0.087 | positive | ||
| 61076.517755 | r | 18.509 | 0.086 | positive | 144.6 | 6.7 |
| 61074.552662 | r | 19.098 | 0.168 | positive | 83.4 | 7.0 |
| 61074.489097 | g | 18.788 | 0.249 | positive | ||
| 61072.550347 | r | 19.902 | 0.332 | positive | 41.3 | 6.7 |
| 61072.488958 | g | 18.547 | limit | 43.5 | 15.3 | |
| 61069.548576 | g | 20.136 | limit | 7.0 | 3.6 | |
| 61069.497407 | r | 19.543 | limit | 11.4 | 6.4 | |
| 61066.550417 | g | 17.380 | limit | |||
| 61066.496632 | r | 18.037 | limit | |||
| 61061.556817 | r | 19.351 | limit | |||
| 61061.514977 | g | 19.100 | limit | 0.5 | 9.7 | |
| 61059.549016 | g | 20.063 | limit | 2.2 | 4.0 | |
| 61059.504664 | r | 19.802 | limit | 3.2 | 5.8 |
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