Discovery certificate for object 2019knw
TNS Astronomical Transient Report No. 40921 [ 2019TNSTR1156....1N ]

Date Received (UTC): 2019-07-05 12:06:40
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 2019knw
Discoverer internal name: ZTF19abdhfhr
Coordinates (J2000): RA = 19:44:14.509 (296.0604536) DEC = -16:07:42.06 (-16.1283508)
Discovery date: 2019-07-05 09:34:56 (JD=2458669.8992708)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2019-07-05 09:34:56
Flux: 18 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-06-14 11:32:08
Limiting flux: 19.7803 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/2019knw