Discovery certificate for object 2019zby
TNS Astronomical Transient Report No. 56880 [ 2019TNSTR2730....1N ]

Date Received (UTC): 2019-12-29 18:09:32
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 2019zby
Discoverer internal name: ZTF19adavwik
Coordinates (J2000): RA = 10:25:18.002 (156.325010125) DEC = +17:08:22.29 (17.139524975)
Discovery date: 2019-12-20 10:47:13 (JD=2458837.949456)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2019-12-20 10:47:13
Flux: 19.26 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-12-19 13:11:21
Limiting flux: 20.1339 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/2019zby