Discovery certificate for object 2018isa
TNS Astronomical Transient Report No. 25221 [ 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 2018isa
Discoverer internal name: ZTF18achdyoz
Coordinates (J2000): RA = 10:33:51.926 (158.4663584) DEC = +14:29:51.60 (14.4976657)
Discovery date: 2018-11-07 12:31:56 (JD=2458430.0221759)



Photometry

Discovery (first detection):
Discovery date: 2018-11-07 12:31:56
Flux: 19.814 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2018-11-04 12:55:43
Limiting flux: 20.22 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/2018isa