Discovery certificate for object 2019ubb
TNS Astronomical Transient Report No. 51539 [ 2019TNSTR2257....1N ]

Date Received (UTC): 2019-11-03 07:31:24
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 2019ubb
Discoverer internal name: ZTF18abupsth
Coordinates (J2000): RA = 02:34:10.086 (38.54202605) DEC = -17:42:01.07 (-17.7002979)
Discovery date: 2019-10-22 07:03:29 (JD=2458778.7940856)


Remarks: Known SDSS and/or MILLIQUAS QSO/AGN. . See arXiv:1904.05922 for selection criteria..

Photometry

Discovery (first detection):
Discovery date: 2019-10-22 07:03:29
Flux: 19.41 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-10-19 08:09:50
Limiting flux: 20.0401 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/2019ubb