Discovery certificate for object 2019tfj
TNS Astronomical Transient Report No. 50581 [ 2019TNSTR2172....1N ]

Date Received (UTC): 2019-10-24 09:04:00
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 2019tfj
Discoverer internal name: ZTF19aceibzv
Coordinates (J2000): RA = 08:37:54.966 (129.4790255) DEC = +63:00:04.43 (63.001231833333)
Discovery date: 2019-10-13 11:18:50 (JD=2458769.9714236)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2019-10-13 11:18:50
Flux: 19.46 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-10-03 12:19:42
Limiting flux: 20.3746 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/2019tfj