Discovery certificate for object 2019tbb
TNS Astronomical Transient Report No. 49907 [ 2019TNSTR2160....1N ]

Date Received (UTC): 2019-10-23 08:12:37
Sender: ZTF (ZTF_AMPEL_NEW)
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: SN 2019tbb
Discoverer internal name: ZTF19acgbzam
Coordinates (J2000): RA = 02:30:10.601 (37.54416975) DEC = +14:20:09.39 (14.3359415)
Discovery date: 2019-10-20 07:01:16 (JD=2458776.7925463)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2019-10-20 07:01:16
Flux: 19.35 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-10-09 11:01:07
Limiting flux: 20.6511 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/2019tbb