Discovery certificate for object 2019xao
TNS Astronomical Transient Report No. 54978 [ 2019TNSTR2647....1N ]

Date Received (UTC): 2019-12-19 11:56:24
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 2019xao
Discoverer internal name: ZTF19acxmjdv
Coordinates (J2000): RA = 04:04:28.064 (61.116933075) DEC = +74:18:00.70 (74.300194875)
Discovery date: 2019-12-16 05:35:38 (JD=2458833.7330787)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2019-12-16 05:35:38
Flux: 19.48 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-12-16 04:46:18
Limiting flux: 19.6793 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/2019xao