Discovery certificate for object 2019byk
TNS Astronomical Transient Report No. 30964 [ 2019TNSTR.404....1N ]

Date Received (UTC): 2019-03-18 12:12:41
Sender: ZTF (ZTF_AMPEL_NEW)
Source Group: 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 2019byk
Discoverer internal name: ZTF18abgclmt
Coordinates (J2000): RA = 17:33:07.372 (263.2807166) DEC = +11:29:05.50 (11.4848614)
Discovery date: 2019-03-15 11:34:30 (JD=2458557.9823032)


Remarks: Known SDSS and/or MILLIQUAS QSO/AGN.

Photometry

Discovery (first detection):
Discovery date: 2019-03-15 11:34:30
Flux: 19.3 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Archival info: Other
Remarks: ZTF non-detection limits not available

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2019byk