Discovery certificate for object 2019kos
TNS Astronomical Transient Report No. 40970 [ 2019TNSTR1156....1N ]

Date Received (UTC): 2019-07-05 13:55:34
Sender: ZTF (ZTF_AMPEL_COMPLETE)
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 2019kos
Discoverer internal name: ZTF18ackidit
Coordinates (J2000): RA = 01:03:40.818 (15.9200751) DEC = +29:41:04.91 (29.6846967)
Discovery date: 2019-06-21 10:42:47 (JD=2458655.9463773)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2019-06-21 10:42:47
Flux: 19.3 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-06-15 11:23:15
Limiting flux: 19.7988 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/2019kos