Discovery certificate for object 2019sti
TNS Astronomical Transient Report No. 49615 [ 2019TNSTR2124....1N ]

Date Received (UTC): 2019-10-19 02:37:27
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 2019sti
Discoverer internal name: ZTF19acfvahn
Coordinates (J2000): RA = 15:55:38.605 (238.9108548) DEC = +34:02:28.08 (34.0411345)
Discovery date: 2019-10-16 02:49:55 (JD=2458772.6179977)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2019-10-16 02:49:55
Flux: 19.49 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-10-09 02:50:00
Limiting flux: 19.7359 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/2019sti