Discovery certificate for object 2019xgm
TNS Astronomical Transient Report No. 55233 [ 2019TNSTR2668....1N ]

Date Received (UTC): 2019-12-21 03:56:12
Sender: ZTF (ZTF_AMPEL_COMPLETE)
Reporting Group: ZTF     Discovery Data Source: ZTF

J. Nordin, V. Brinnel, M. Giomi, J. van Santen (HU Berlin), A. Gal-Yam, O. Yaron, S. Schulze (Weizmann) on behalf of ZTF report/s the discovery of a new astronomical transient.

IAU Designation: AT 2019xgm
Discoverer internal name: ZTF19adallna
Coordinates (J2000): RA = 01:34:49.334 (23.705557725) DEC = +12:54:00.05 (12.90001405)
Discovery date: 2019-12-20 02:59:09.000 (JD=2458837.6244213)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2019-12-20 02:59:09.000
Flux: 19.54 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-12-18 03:30:15
Limiting flux: 19.5845 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2019xgm