Discovery Date: 2019-12-19 12:03:49 UTC
Discovery MJD: 58836.50
Disc r-Mag: 18.75±0.11
Latest Date: 2020-01-28 08:07:15 UTC
Latest MJD: 58876.34
Latest r-Mag: 19.12±0.12
Transient Name Server
SN Ia SN2019xbf
The transient was discovered on 19th December 2019 at 12:03:49 (MJD 58836.50) by ZTF as ZTF19adaiyrd with a discovery magnitude of r = 18.75. It was subsequently classified as a SN Ia at z = 0.067.
Sherlock Contextual Classification
Prediction: Supernova
The transient is possibly associated with 2MASXJ11075893%2B0022597; a J=14.42 mag galaxy found in the NED/SDSS/2MASS/PS1 catalogues. It's located 4.99 arcsec S, 0.05 arcsec W (6.2 Kpc) from the galaxy centre. A host z=0.067 implies a m - M = 37.39.
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 |
|---|---|---|---|---|---|---|---|
| 58876.338368 | 2020-01-28 08:07:15 | r | 19.124 ± 0.125 | +ve | target ref diff | data | |
| 58873.397500 | 2020-01-25 09:32:23 | g | 20.500 ± 0.281 | +ve | target ref diff | data | |
| 58873.330139 | 2020-01-25 07:55:24 | r | 19.089 ± 0.112 | +ve | target ref diff | data | |
| 58864.318738 | 2020-01-16 07:38:58 | r | 18.909 ± 0.159 | +ve | target ref diff | data | |
| 58861.441220 | g | 18.560 | limit | ||||
| 58861.318780 | r | 18.309 | limit | ||||
| 58855.375127 | 2020-01-07 09:00:10 | r | 18.589 ± 0.116 | +ve | target ref diff | data | |
| 58852.501412 | 2020-01-04 12:02:01 | g | 18.656 ± 0.073 | +ve | target ref diff | data | |
| 58849.498993 | 2020-01-01 11:58:33 | g | 18.526 ± 0.078 | +ve | target ref diff | data | |
| 58849.455417 | 2020-01-01 10:55:48 | r | 18.295 ± 0.072 | +ve | target ref diff | data | |
| 58836.547269 | 2019-12-19 13:08:03 | g | 18.762 ± 0.127 | +ve | target ref diff | data | |
| 58836.502662 | 2019-12-19 12:03:49 | r | 18.753 ± 0.110 | +ve | target ref diff | data | |
| 58831.442290 | r | 19.074 | limit | ||||
| 58828.564680 | r | 19.746 | limit |
| MJD | filter | unforced_mag | unforced_mag_error | unforced_mag_status | forced_ujy | forced_ujy_error |
|---|---|---|---|---|---|---|
| 58876.338368 | r | 19.124 | 0.125 | positive | ||
| 58873.397500 | g | 20.500 | 0.281 | positive | ||
| 58873.330139 | r | 19.089 | 0.112 | positive | ||
| 58864.318738 | r | 18.909 | 0.159 | positive | ||
| 58861.441220 | g | 18.560 | limit | |||
| 58861.318780 | r | 18.309 | limit | |||
| 58855.375127 | r | 18.589 | 0.116 | positive | ||
| 58852.501412 | g | 18.656 | 0.073 | positive | ||
| 58849.498993 | g | 18.526 | 0.078 | positive | ||
| 58849.455417 | r | 18.295 | 0.072 | positive | ||
| 58836.547269 | g | 18.762 | 0.127 | positive | ||
| 58836.502662 | r | 18.753 | 0.110 | positive | ||
| 58831.442290 | r | 19.074 | limit | |||
| 58828.564680 | r | 19.746 | limit |
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