Discovery certificate for object 2019sdi
TNS Astronomical Transient Report No. 48894 [ 2019TNSTR2019....1N ]

Date Received (UTC): 2019-10-07 13:09:44
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 2019sdi
Discoverer internal name: ZTF19acdilmg
Coordinates (J2000): RA = 07:50:44.865 (117.6869377) DEC = +79:10:54.02 (79.181673166667)
Discovery date: 2019-09-30 10:51:15 (JD=2458756.9522569)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2019-09-30 10:51:15
Flux: 20.33 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-09-25 11:40:39
Limiting flux: 20.3285 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/2019sdi