Discovery certificate for object 2018isn
TNS Astronomical Transient Report No. 25241 [ 2018TNSTR1801....1N ]

Date Received (UTC): 2018-11-20 14:50:01
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 2018isn
Discoverer internal name: ZTF18aahfssj
Coordinates (J2000): RA = 12:30:59.727 (187.7488626) DEC = +35:45:42.56 (35.7618228)
Discovery date: 2018-11-05 12:53:23 (JD=2458428.0370833)


Remarks: Known SDSS and/or MILLIQUAS QSO/AGN

Photometry

Discovery (first detection):
Discovery date: 2018-11-05 12:53:23
Flux: 19.087 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2018-07-02 06:10:56
Limiting flux: 19.62 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/2018isn