Discovery certificate for object 2019vby
TNS Astronomical Transient Report No. 52910 [ 2019TNSTR2396....1N ]

Date Received (UTC): 2019-11-18 09:14:53
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 2019vby
Discoverer internal name: ZTF19abqrosf
Coordinates (J2000): RA = 03:08:43.506 (47.1812734) DEC = +40:51:42.82 (40.8618957)
Discovery date: 2019-11-18 05:29:04 (JD=2458805.7285301)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2019-11-18 05:29:04
Flux: 19.29 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-11-18 04:57:20
Limiting flux: 20.1106 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/2019vby