Discovery certificate for object 2019byi
TNS Astronomical Transient Report No. 30962 [ 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 2019byi
Discoverer internal name: ZTF18aauylsc
Coordinates (J2000): RA = 16:17:45.615 (244.440063) DEC = +06:03:53.80 (6.064944)
Discovery date: 2019-03-15 11:03:42 (JD=2458557.9609144)


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

Photometry

Discovery (first detection):
Discovery date: 2019-03-15 11:03:42
Flux: 18.36 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-03-01 12:33:44
Limiting flux: 20.2546 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/2019byi