Discovery Date: 2019-10-31 12:41:49 UTC
Discovery MJD: 58787.53
Disc r-Mag: 19.19±0.18
Latest Date: 2019-11-11 12:49:43 UTC
Latest MJD: 58798.53
Latest r-Mag: 20.02±0.21
Transient Name Server
AT2019ubm
The transient was discovered on 31st October 2019 at 12:41:49 (MJD 58787.53) by ZTF as ZTF19aclhoqf with a discovery magnitude of r = 19.19..
Sherlock Contextual Classification
Prediction: Supernova
The transient is possibly associated with 2MASXJ09482083%2B1313233; a J=16.29 mag galaxy found in the NED/SDSS/2MASS/PS1 catalogues. It's located 2.20 arcsec N, 0.80 arcsec E (3.0 Kpc) from the galaxy centre. A host z=0.071 implies a m - M = 37.54.
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 |
|---|---|---|---|---|---|---|---|
| 58798.534537 | 2019-11-11 12:49:43 | r | 20.021 ± 0.213 | +ve | target ref diff | data | |
| 58790.511042 | 2019-11-03 12:15:54 | r | 19.645 ± 0.196 | +ve | target ref diff | data | |
| 58787.529039 | 2019-10-31 12:41:49 | r | 19.190 ± 0.181 | +ve | target ref diff | data | |
| 58784.527810 | r | 19.039 | limit | ||||
| 58784.493700 | g | 19.427 | limit | ||||
| 58781.523870 | r | 19.149 | limit | ||||
| 58781.468440 | g | 19.281 | limit | ||||
| 58770.538300 | g | 18.998 | limit | ||||
| 58770.495520 | r | 19.157 | limit | ||||
| 58765.504640 | g | 20.055 | limit |
| MJD | filter | unforced_mag | unforced_mag_error | unforced_mag_status | forced_ujy | forced_ujy_error |
|---|---|---|---|---|---|---|
| 58798.534537 | r | 20.021 | 0.213 | positive | ||
| 58790.511042 | r | 19.645 | 0.196 | positive | ||
| 58787.529039 | r | 19.190 | 0.181 | positive | ||
| 58784.527810 | r | 19.039 | limit | |||
| 58784.493700 | g | 19.427 | limit | |||
| 58781.523870 | r | 19.149 | limit | |||
| 58781.468440 | g | 19.281 | limit | |||
| 58770.538300 | g | 18.998 | limit | |||
| 58770.495520 | r | 19.157 | limit | |||
| 58765.504640 | g | 20.055 | limit |
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