Discovery certificate for object 2019vkn
TNS Astronomical Transient Report No. 53243 [ 2019TNSTR2439....1N ]

Date Received (UTC): 2019-11-24 06:36:50
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 2019vkn
Discoverer internal name: ZTF19abatwsi
Coordinates (J2000): RA = 01:40:54.434 (25.226809033333) DEC = +45:57:44.84 (45.96245585)
Discovery date: 2019-11-24 03:50:04 (JD=2458811.6597685)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2019-11-24 03:50:04
Flux: 17.8 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-11-19 05:09:48
Limiting flux: 20.3659 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/2019vkn