Discovery certificate for object 2019sts
TNS Astronomical Transient Report No. 49629 [ 2019TNSTR2124....1N ]

Date Received (UTC): 2019-10-19 04:37:31
Sender: ZTF (ZTF_AMPEL_NEW)
Source Group: 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 2019sts
Discoverer internal name: ZTF19acfsqda
Coordinates (J2000): RA = 16:09:45.487 (242.43952753333) DEC = +66:17:50.81 (66.2974459)
Discovery date: 2019-10-16 03:23:00 (JD=2458772.6409838)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2019-10-16 03:23:00
Flux: 19.63 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-10-09 04:07:14
Limiting flux: 19.7111 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/2019sts