Discovery Date: 2019-12-20 02:08:37 UTC
Discovery MJD: 58837.09
Disc r-Mag: 19.36±0.16
Latest Date: 2020-10-07 04:33:26 UTC
Latest MJD: 59129.19
Latest r-Mag: 19.02±0.12
Transient Name Server
AT2019xdo
The transient was discovered on 20th December 2019 at 02:08:38 (MJD 58837.09) by ZTF as ZTF19adakvxz with a discovery magnitude of r = 19.36..
Sherlock Contextual Classification
Prediction: Nuclear Transient
The transient is synonymous with 2MASXJ21423287-0737357; an r=16.50 mag galaxy found in the NED/SDSS catalogues. It's located 1.4 arcsec (1.5 Kpc) from the galaxy core. A host z=0.056 implies a m - M = 36.98.
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 |
|---|---|---|---|---|---|---|---|
| 59129.189884 | 2020-10-07 04:33:26 | r | 19.022 ± 0.123 | -ve | target ref diff | data | |
| 59127.189770 | g | 18.485 | limit | ||||
| 59125.252780 | r | 19.628 | limit | ||||
| 59123.272650 | r | 18.589 | limit | ||||
| 59114.276230 | r | 20.349 | limit | ||||
| 59114.232410 | g | 20.497 | limit | ||||
| 59111.250280 | r | 20.248 | limit | ||||
| 59099.358430 | g | 19.518 | limit | ||||
| 59099.295750 | r | 19.950 | limit | ||||
| 58837.121088 | 2019-12-20 02:54:22 | g | 19.041 ± 0.154 | +ve | target ref diff | data | |
| 58837.089329 | 2019-12-20 02:08:37 | r | 19.356 ± 0.161 | +ve | target ref diff | data | |
| 58830.108180 | g | 18.855 | limit | ||||
| 58812.089970 | r | 19.850 | limit |
| MJD | filter | unforced_mag | unforced_mag_error | unforced_mag_status | forced_ujy | forced_ujy_error |
|---|---|---|---|---|---|---|
| 59129.189884 | r | 19.022 | 0.123 | negative | ||
| 59127.189770 | g | 18.485 | limit | |||
| 59125.252780 | r | 19.628 | limit | |||
| 59123.272650 | r | 18.589 | limit | |||
| 59114.276230 | r | 20.349 | limit | |||
| 59114.232410 | g | 20.497 | limit | |||
| 59111.250280 | r | 20.248 | limit | |||
| 59099.358430 | g | 19.518 | limit | |||
| 59099.295750 | r | 19.950 | limit | |||
| 58837.121088 | g | 19.041 | 0.154 | positive | ||
| 58837.089329 | r | 19.356 | 0.161 | positive | ||
| 58830.108180 | g | 18.855 | limit | |||
| 58812.089970 | r | 19.850 | limit |
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