Discovery certificate for object 2018ism
TNS Astronomical Transient Report No. 25240 [ 2018TNSTR1801....1N ]

Date Received (UTC): 2018-11-20 14:49:56
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 2018ism
Discoverer internal name: ZTF18aaqeslc
Coordinates (J2000): RA = 12:34:39.019 (188.6625784) DEC = +23:50:05.67 (23.8349086)
Discovery date: 2018-11-05 12:54:04 (JD=2458428.0375463)


Remarks: Known SDSS and/or MILLIQUAS QSO/AGN

Photometry

Discovery (first detection):
Discovery date: 2018-11-05 12:54:04
Flux: 19.3442 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2018-06-13 05:50:38
Limiting flux: 20.6 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/2018ism