Discovery certificate for object 2019lon
TNS Astronomical Transient Report No. 42151 [ 2019TNSTR1295....1N ]

Date Received (UTC): 2019-07-21 12:39:53
Sender: ZTF (ZTF_AMPEL_COMPLETE)
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 2019lon
Discoverer internal name: ZTF19abficzl
Coordinates (J2000): RA = 01:10:38.756 (17.6614813) DEC = +05:10:00.14 (5.1667044)
Discovery date: 2019-07-09 11:24:12 (JD=2458673.9751505)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2019-07-09 11:24:12
Flux: 19.93 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-07-03 10:38:06
Limiting flux: 20.4173 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/2019lon