Discovery certificate for object 2019usm
TNS Astronomical Transient Report No. 52519 [ 2019TNSTR2357....1N ]

Date Received (UTC): 2019-11-13 07:08:20
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: AT 2019usm
Discoverer internal name: ZTF19acrypkq
Coordinates (J2000): RA = 22:28:07.881 (337.03283795) DEC = +00:22:16.40 (0.3712223)
Discovery date: 2019-11-13 06:21:21 (JD=2458800.7648264)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2019-11-13 06:21:21
Flux: 18.11 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-11-04 04:02:02
Limiting flux: 19.9314 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/2019usm