Discovery certificate for object 2019tsy
TNS Astronomical Transient Report No. 51193 [ 2019TNSTR2234....1N ]

Date Received (UTC): 2019-10-31 04:34:13
Sender: ZTF (ZTF_AMPEL_NEW)
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 2019tsy
Discoverer internal name: ZTF19ackxrrt
Coordinates (J2000): RA = 17:15:52.357 (258.968154275) DEC = +56:43:37.19 (56.7269985)
Discovery date: 2019-10-30 04:10:12.000 (JD=2458786.6737616)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2019-10-30 04:10:12.000
Flux: 16.13 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-10-30 03:31:40
Limiting flux: 19.6097 ABMag
Filter: r-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/2019tsy