Discovery Date: 2026-01-28 12:07:05 UTC
Discovery MJD: 61068.50
Disc g-Mag: 19.03±0.22
Latest Date: 2026-02-03 12:59:10 UTC
Latest MJD: 61074.54
Latest r-Mag: 19.43±0.21
Transient Name Server
AT2026btc
The transient was discovered on 30th January 2026 at 11:56:37 (MJD 61070.50) by ZTF as ZTF26aaeiotd with a discovery magnitude of r = 19.77..
Sherlock Contextual Classification
Prediction: Nuclear Transient
The transient is synonymous with 2MASXJ15464100%2B1354107; a G=18.95 mag galaxy found in the NED_D/SDSS/GAIA catalogues. Its located 0.8" (2.0 Kpc) from the galaxy core. A host distance of 531.0 Mpc(z=0.131) implies a m - M = 38.63.
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
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ZTF Alert Packet Data
| MJD | UTC | Filter | unforced mag | unforced mag status | forced flux (μJy) | images | alert packet |
|---|---|---|---|---|---|---|---|
| 61074.541088 | 2026-02-03 12:59:10 | r | 19.435 ± 0.210 | +ve | target ref diff | data | |
| 61074.504606 | 2026-02-03 12:06:38 | g | 19.337 ± 0.244 | +ve | 57.0 ± 10.0 | target ref diff | data |
| 61072.538935 | 2026-02-01 12:56:04 | r | 19.536 | limit | 39.8 ± 7.7 | ||
| 61070.536863 | 2026-01-30 12:53:04 | g | 19.621 ± 0.205 | +ve | 49.3 ± 5.7 | target ref diff | data |
| 61070.497650 | 2026-01-30 11:56:37 | r | 19.435 | limit | 44.3 ± 8.2 | ||
| 61068.504919 | 2026-01-28 12:07:05 | g | 19.034 ± 0.219 | +ve | target ref diff | data | |
| 61068.504919 | 2026-01-28 12:07:05 | g | 19.005 | limit | |||
| 61065.468461 | 2026-01-25 11:14:34 | r | 19.708 | limit | 29.6 ± 6.6 | ||
| 61060.528403 | 2026-01-20 12:40:54 | g | 20.438 | limit | 13.9 ± 3.4 | ||
| 61060.505937 | 2026-01-20 12:08:33 | r | 20.235 | limit | 5.6 ± 3.8 | ||
| 61058.546030 | 2026-01-18 13:06:17 | g | 20.416 | limit | 0.9 ± 3.4 | ||
| 61058.530463 | 2026-01-18 12:43:52 | r | 20.272 | limit | 8.2 ± 3.9 | ||
| 61056.542836 | 2026-01-16 13:01:40 | g | 19.836 | limit | -0.7 ± 5.8 | ||
| 61054.546099 | 2026-01-14 13:06:22 | r | 19.927 | limit | 0.8 ± 5.4 | ||
| 61054.505822 | 2026-01-14 12:08:23 | g | 19.972 | limit | 2.0 ± 4.6 | ||
| 61052.543727 | 2026-01-12 13:02:58 | g | 19.424 | limit | |||
| 61049.565729 | 2026-01-09 13:34:39 | g | 18.721 | limit |
| MJD | filter | unforced_mag | unforced_mag_error | unforced_mag_status | forced_ujy | forced_ujy_error |
|---|---|---|---|---|---|---|
| 61074.541088 | r | 19.435 | 0.210 | positive | ||
| 61074.504606 | g | 19.337 | 0.244 | positive | 57.0 | 10.0 |
| 61072.538935 | r | 19.536 | limit | 39.8 | 7.7 | |
| 61070.536863 | g | 19.621 | 0.205 | positive | 49.3 | 5.7 |
| 61070.497650 | r | 19.435 | limit | 44.3 | 8.2 | |
| 61068.504919 | g | 19.034 | 0.219 | positive | ||
| 61068.504919 | g | 19.005 | limit | |||
| 61065.468461 | r | 19.708 | limit | 29.6 | 6.6 | |
| 61060.528403 | g | 20.438 | limit | 13.9 | 3.4 | |
| 61060.505937 | r | 20.235 | limit | 5.6 | 3.8 | |
| 61058.546030 | g | 20.416 | limit | 0.9 | 3.4 | |
| 61058.530463 | r | 20.272 | limit | 8.2 | 3.9 | |
| 61056.542836 | g | 19.836 | limit | -0.7 | 5.8 | |
| 61054.546099 | r | 19.927 | limit | 0.8 | 5.4 | |
| 61054.505822 | g | 19.972 | limit | 2.0 | 4.6 | |
| 61052.543727 | g | 19.424 | limit | |||
| 61049.565729 | g | 18.721 | limit |
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