Discovery certificate for object 2019by
TNS Astronomical Transient Report No. 27913 [ 2019TNSTR..27....1N ]

Date Received (UTC): 2019-01-04 07:35:59
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 2019by
Discoverer internal name: ZTF19aaafzah
Coordinates (J2000): RA = 00:37:24.769 (9.3532034) DEC = -06:42:51.52 (-6.7143115)
Discovery date: 2019-01-04 02:19:34 (JD=2458487.5969329)



Photometry

Discovery (first detection):
Discovery date: 2019-01-04 02:19:34
Flux: 19.43 ABMag
Filter: r-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/2019by