Discovery Date: 2026-02-06 08:24:16 UTC
Discovery MJD: 61077.35
Disc g-Mag: 17.77±0.08
Latest Date: 2026-03-01 05:28:21 UTC
Latest MJD: 61100.23
Latest r-Mag: 18.52±0.09
Transient Name Server
SN Ic-BL SN2026cha
The transient was discovered on 6th February 2026 at 16:01:39 (MJD 61077.67) by None as ZTF26aaffxis with a discovery magnitude of Clear = 17.26. It was subsequently classified as a SN Ic-BL at z = 0.039.
Sherlock Contextual Classification
Prediction: Supernova
The transient is possibly associated with 76221281392167805; an r=16.80 mag galaxy found in the PS1 catalogue. Its located 0.34" S, 4.17" 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 |
|---|---|---|---|---|---|---|---|
| 61100.228032 | 2026-03-01 05:28:21 | r | 18.520 ± 0.093 | +ve | target ref diff | data | |
| 61097.273704 | 2026-02-26 06:34:08 | g | 18.990 ± 0.174 | +ve | 88.0 ± 8.3 | target ref diff | data |
| 61097.215613 | 2026-02-26 05:10:28 | r | 18.539 ± 0.081 | +ve | 139.7 ± 7.0 | target ref diff | data |
| 61080.314826 | 2026-02-09 07:33:21 | r | 17.948 ± 0.046 | +ve | 237.2 ± 5.6 | target ref diff | data |
| 61080.271609 | 2026-02-09 06:31:07 | g | 19.574 | limit | |||
| 61079.313218 | 2026-02-08 07:31:02 | r | 17.853 ± 0.054 | +ve | 248.4 ± 6.4 | target ref diff | data |
| 61079.251273 | 2026-02-08 06:01:49 | g | 17.636 ± 0.053 | +ve | 304.2 ± 6.8 | target ref diff | data |
| 61077.350185 | 2026-02-06 08:24:16 | g | 17.772 ± 0.077 | +ve | 272.9 ± 9.3 | target ref diff | data |
| 61077.291759 | 2026-02-06 07:00:08 | r | 18.718 | limit | |||
| 61076.272593 | 2026-02-05 06:32:32 | g | 18.949 | limit | 52.5 ± 11.5 | ||
| 61075.273426 | 2026-02-04 06:33:43 | r | 18.894 | limit | 11.2 ± 11.5 | ||
| 61074.292257 | 2026-02-03 07:00:50 | r | 18.850 | limit | -3.4 ± 13.6 | ||
| 61073.293044 | 2026-02-02 07:01:59 | g | 18.717 | limit | |||
| 61072.376146 | 2026-02-01 09:01:38 | g | 18.191 | limit | |||
| 61072.292917 | 2026-02-01 07:01:48 | r | 18.714 | limit | |||
| 61070.346528 | 2026-01-30 08:19:00 | g | 18.607 | limit | |||
| 61070.292014 | 2026-01-30 07:00:30 | r | 18.919 | limit | -5.5 ± 12.1 | ||
| 61066.398727 | 2026-01-26 09:34:10 | r | 16.823 | limit | |||
| 61061.413056 | 2026-01-21 09:54:48 | g | 19.525 | limit | 6.6 ± 6.2 | ||
| 61061.355428 | 2026-01-21 08:31:48 | r | 19.410 | limit | 8.4 ± 7.3 | ||
| 61060.372326 | 2026-01-20 08:56:09 | g | 19.839 | limit | -4.0 ± 4.9 | ||
| 61059.425648 | 2026-01-19 10:12:55 | r | 20.046 | limit | -0.9 ± 4.0 | ||
| 61059.336875 | 2026-01-19 08:05:06 | g | 19.963 | limit | -3.4 ± 4.5 | ||
| 61058.357755 | 2026-01-18 08:35:09 | g | 19.841 | limit | 8.1 ± 4.7 | ||
| 61058.313438 | 2026-01-18 07:31:21 | r | 20.024 | limit | 5.5 ± 4.5 | ||
| 61057.376655 | 2026-01-17 09:02:23 | g | 18.871 | limit | |||
| 61057.334514 | 2026-01-17 08:01:42 | r | 18.676 | limit | |||
| 61056.418750 | 2026-01-16 10:03:00 | r | 19.530 | limit | 1.4 ± 6.2 | ||
| 61056.335289 | 2026-01-16 08:02:49 | g | 19.719 | limit | -3.3 ± 5.4 | ||
| 61055.389607 | 2026-01-15 09:21:02 | g | 19.446 | limit | |||
| 61055.356840 | 2026-01-15 08:33:51 | r | 19.752 | limit | 2.1 ± 5.4 | ||
| 61054.419248 | 2026-01-14 10:03:43 | g | 19.071 | limit | |||
| 61054.334815 | 2026-01-14 08:02:07 | r | 19.717 | limit | -6.9 ± 5.8 | ||
| 61053.356852 | 2026-01-13 08:33:52 | g | 19.510 | limit | |||
| 61052.438599 | 2026-01-12 10:31:34 | r | 19.258 | limit | 1.4 ± 8.7 | ||
| 61052.337211 | 2026-01-12 08:05:34 | g | 19.324 | limit | |||
| 61050.354028 | 2026-01-10 08:29:48 | g | 19.042 | limit |
| MJD | filter | unforced_mag | unforced_mag_error | unforced_mag_status | forced_ujy | forced_ujy_error |
|---|---|---|---|---|---|---|
| 61100.228032 | r | 18.520 | 0.093 | positive | ||
| 61097.273704 | g | 18.990 | 0.174 | positive | 88.0 | 8.3 |
| 61097.215613 | r | 18.539 | 0.081 | positive | 139.7 | 7.0 |
| 61080.314826 | r | 17.948 | 0.046 | positive | 237.2 | 5.6 |
| 61080.271609 | g | 19.574 | limit | |||
| 61079.313218 | r | 17.853 | 0.054 | positive | 248.4 | 6.4 |
| 61079.251273 | g | 17.636 | 0.053 | positive | 304.2 | 6.8 |
| 61077.350185 | g | 17.772 | 0.077 | positive | 272.9 | 9.3 |
| 61077.291759 | r | 18.718 | limit | |||
| 61076.272593 | g | 18.949 | limit | 52.5 | 11.5 | |
| 61075.273426 | r | 18.894 | limit | 11.2 | 11.5 | |
| 61074.292257 | r | 18.850 | limit | -3.4 | 13.6 | |
| 61073.293044 | g | 18.717 | limit | |||
| 61072.376146 | g | 18.191 | limit | |||
| 61072.292917 | r | 18.714 | limit | |||
| 61070.346528 | g | 18.607 | limit | |||
| 61070.292014 | r | 18.919 | limit | -5.5 | 12.1 | |
| 61066.398727 | r | 16.823 | limit | |||
| 61061.413056 | g | 19.525 | limit | 6.6 | 6.2 | |
| 61061.355428 | r | 19.410 | limit | 8.4 | 7.3 | |
| 61060.372326 | g | 19.839 | limit | -4.0 | 4.9 | |
| 61059.425648 | r | 20.046 | limit | -0.9 | 4.0 | |
| 61059.336875 | g | 19.963 | limit | -3.4 | 4.5 | |
| 61058.357755 | g | 19.841 | limit | 8.1 | 4.7 | |
| 61058.313438 | r | 20.024 | limit | 5.5 | 4.5 | |
| 61057.376655 | g | 18.871 | limit | |||
| 61057.334514 | r | 18.676 | limit | |||
| 61056.418750 | r | 19.530 | limit | 1.4 | 6.2 | |
| 61056.335289 | g | 19.719 | limit | -3.3 | 5.4 | |
| 61055.389607 | g | 19.446 | limit | |||
| 61055.356840 | r | 19.752 | limit | 2.1 | 5.4 | |
| 61054.419248 | g | 19.071 | limit | |||
| 61054.334815 | r | 19.717 | limit | -6.9 | 5.8 | |
| 61053.356852 | g | 19.510 | limit | |||
| 61052.438599 | r | 19.258 | limit | 1.4 | 8.7 | |
| 61052.337211 | g | 19.324 | limit | |||
| 61050.354028 | g | 19.042 | limit |
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