Discovery certificate for object 2019def
TNS Astronomical Transient Report No. 32710 [ 2019TNSTR.543....1N ]

Date Received (UTC): 2019-04-10 09:05:21
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 2019def
Discoverer internal name: ZTF19aapafcu
Coordinates (J2000): RA = 16:05:49.144 (241.4547684) DEC = +64:31:22.88 (64.5230229)
Discovery date: 2019-04-07 09:12:55 (JD=2458580.8839699)



Photometry

Discovery (first detection):
Discovery date: 2019-04-07 09:12:55
Flux: 19.74 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-04-02 10:14:38
Limiting flux: 20.5682 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/2019def