Discovery Date: 2026-02-05 12:05:37 UTC
Discovery MJD: 61076.50
Disc r-Mag: 19.91±0.32
Latest Date: 2026-02-09 11:15:14 UTC
Latest MJD: 61080.47
Latest g-Mag: 19.74±0.18
Transient Name Server
AT2026cph
The transient was discovered on 7th February 2026 at 11:18:41 (MJD 61078.47) by ZTF as ZTF26aagbcds with a discovery magnitude of g = 19.98..
Sherlock Contextual Classification
Prediction: Supernova
The transient is possibly associated with SDSS J154143.67+151816.4; a J=14.59 mag galaxy found in the SDSS/2MASS catalogues. Its located 2.07" N, 6.71" E (15.8 Kpc) from the galaxy centre. A host z=0.133 implies a m - M = 38.99.
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 |
|---|---|---|---|---|---|---|---|
| 61080.468924 | 2026-02-09 11:15:14 | g | 19.741 ± 0.182 | +ve | target ref diff | data | |
| 61079.511389 | 2026-02-08 12:16:24 | g | 19.860 ± 0.366 | +ve | 25.7 ± 7.2 | target ref diff | data |
| 61078.544606 | 2026-02-07 13:04:14 | r | 20.308 ± 0.309 | +ve | 25.5 ± 5.5 | target ref diff | data |
| 61078.471319 | 2026-02-07 11:18:41 | g | 19.912 ± 0.287 | +ve | 36.9 ± 7.0 | target ref diff | data |
| 61077.544606 | 2026-02-06 13:04:14 | r | 19.945 | limit | |||
| 61077.506412 | 2026-02-06 12:09:13 | g | 19.568 | limit | 14.3 ± 6.5 | ||
| 61076.535961 | 2026-02-05 12:51:46 | g | 19.529 | limit | 26.6 ± 8.4 | ||
| 61076.503901 | 2026-02-05 12:05:37 | r | 19.908 ± 0.317 | +ve | 34.9 ± 7.7 | target ref diff | data |
| 61075.554572 | 2026-02-04 13:18:35 | r | 19.829 | limit | |||
| 61075.505440 | 2026-02-04 12:07:49 | g | 19.341 | limit | |||
| 61074.541088 | 2026-02-03 12:59:10 | r | 19.604 | limit | 9.6 ± 8.2 | ||
| 61074.504606 | 2026-02-03 12:06:38 | g | 19.236 | limit | 15.2 ± 10.4 | ||
| 61073.547373 | 2026-02-02 13:08:13 | g | 19.250 | limit | 8.1 ± 8.9 | ||
| 61073.509572 | 2026-02-02 12:13:47 | r | 19.011 | limit | |||
| 61072.538935 | 2026-02-01 12:56:04 | r | 19.644 | limit | 3.8 ± 7.9 | ||
| 61071.552222 | 2026-01-31 13:15:11 | r | 19.538 | limit | |||
| 61071.475857 | 2026-01-31 11:25:14 | g | 19.067 | limit | 8.7 ± 10.6 | ||
| 61070.536863 | 2026-01-30 12:53:04 | g | 20.094 | limit | 6.4 ± 5.1 | ||
| 61070.497650 | 2026-01-30 11:56:37 | r | 19.521 | limit | 1.3 ± 7.7 | ||
| 61069.541690 | 2026-01-29 13:00:01 | g | 20.354 | limit | 4.3 ± 3.3 | ||
| 61069.476285 | 2026-01-29 11:25:50 | r | 19.622 | limit | |||
| 61068.504919 | 2026-01-28 12:07:05 | g | 17.072 | limit | |||
| 61065.470347 | 2026-01-25 11:17:17 | r | 19.992 | limit | -1.3 ± 4.8 | ||
| 61065.468461 | 2026-01-25 11:14:34 | r | 19.741 | limit | |||
| 61060.529352 | 2026-01-20 12:42:16 | g | 20.422 | limit | |||
| 61060.528403 | 2026-01-20 12:40:54 | g | 20.502 | limit | |||
| 61060.519595 | 2026-01-20 12:28:12 | r | 20.378 | limit | |||
| 61060.505937 | 2026-01-20 12:08:33 | r | 20.206 | limit | |||
| 61058.546493 | 2026-01-18 13:06:57 | g | 20.452 | limit | -5.0 ± 3.0 | ||
| 61058.546030 | 2026-01-18 13:06:17 | g | 20.507 | limit | |||
| 61058.541354 | 2026-01-18 12:59:33 | r | 20.438 | limit | 1.6 ± 3.5 | ||
| 61058.530463 | 2026-01-18 12:43:52 | r | 20.268 | limit | |||
| 61056.544259 | 2026-01-16 13:03:44 | g | 19.899 | limit | -1.5 ± 5.4 | ||
| 61056.542836 | 2026-01-16 13:01:40 | g | 19.927 | limit | |||
| 61056.520428 | 2026-01-16 12:29:24 | r | 19.910 | limit | |||
| 61054.560289 | 2026-01-14 13:26:49 | r | 20.225 | limit | |||
| 61054.546099 | 2026-01-14 13:06:22 | r | 20.049 | limit | |||
| 61054.505822 | 2026-01-14 12:08:23 | g | 20.088 | limit | -1.6 ± 4.5 | ||
| 61054.498368 | 2026-01-14 11:57:39 | g | 20.126 | limit | |||
| 61052.544676 | 2026-01-12 13:04:19 | g | 19.793 | limit | |||
| 61052.543727 | 2026-01-12 13:02:58 | g | 19.563 | limit | |||
| 61052.520787 | 2026-01-12 12:29:55 | r | 19.562 | limit | |||
| 61050.548241 | 2026-01-10 13:09:27 | r | 19.224 | limit |
| MJD | filter | unforced_mag | unforced_mag_error | unforced_mag_status | forced_ujy | forced_ujy_error |
|---|---|---|---|---|---|---|
| 61080.468924 | g | 19.741 | 0.182 | positive | ||
| 61079.511389 | g | 19.860 | 0.366 | positive | 25.7 | 7.2 |
| 61078.544606 | r | 20.308 | 0.309 | positive | 25.5 | 5.5 |
| 61078.471319 | g | 19.912 | 0.287 | positive | 36.9 | 7.0 |
| 61077.544606 | r | 19.945 | limit | |||
| 61077.506412 | g | 19.568 | limit | 14.3 | 6.5 | |
| 61076.535961 | g | 19.529 | limit | 26.6 | 8.4 | |
| 61076.503901 | r | 19.908 | 0.317 | positive | 34.9 | 7.7 |
| 61075.554572 | r | 19.829 | limit | |||
| 61075.505440 | g | 19.341 | limit | |||
| 61074.541088 | r | 19.604 | limit | 9.6 | 8.2 | |
| 61074.504606 | g | 19.236 | limit | 15.2 | 10.4 | |
| 61073.547373 | g | 19.250 | limit | 8.1 | 8.9 | |
| 61073.509572 | r | 19.011 | limit | |||
| 61072.538935 | r | 19.644 | limit | 3.8 | 7.9 | |
| 61071.552222 | r | 19.538 | limit | |||
| 61071.475857 | g | 19.067 | limit | 8.7 | 10.6 | |
| 61070.536863 | g | 20.094 | limit | 6.4 | 5.1 | |
| 61070.497650 | r | 19.521 | limit | 1.3 | 7.7 | |
| 61069.541690 | g | 20.354 | limit | 4.3 | 3.3 | |
| 61069.476285 | r | 19.622 | limit | |||
| 61068.504919 | g | 17.072 | limit | |||
| 61065.470347 | r | 19.992 | limit | -1.3 | 4.8 | |
| 61065.468461 | r | 19.741 | limit | |||
| 61060.529352 | g | 20.422 | limit | |||
| 61060.528403 | g | 20.502 | limit | |||
| 61060.519595 | r | 20.378 | limit | |||
| 61060.505937 | r | 20.206 | limit | |||
| 61058.546493 | g | 20.452 | limit | -5.0 | 3.0 | |
| 61058.546030 | g | 20.507 | limit | |||
| 61058.541354 | r | 20.438 | limit | 1.6 | 3.5 | |
| 61058.530463 | r | 20.268 | limit | |||
| 61056.544259 | g | 19.899 | limit | -1.5 | 5.4 | |
| 61056.542836 | g | 19.927 | limit | |||
| 61056.520428 | r | 19.910 | limit | |||
| 61054.560289 | r | 20.225 | limit | |||
| 61054.546099 | r | 20.049 | limit | |||
| 61054.505822 | g | 20.088 | limit | -1.6 | 4.5 | |
| 61054.498368 | g | 20.126 | limit | |||
| 61052.544676 | g | 19.793 | limit | |||
| 61052.543727 | g | 19.563 | limit | |||
| 61052.520787 | r | 19.562 | limit | |||
| 61050.548241 | r | 19.224 | limit |
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