Discovery certificate for object 2019ssi
TNS Astronomical Transient Report No. 49560 [ 2019TNSTR2104....1F ]

Date Received (UTC): 2019-10-18 13:14:12
Sender: ZTF (ALeRCE)
Source Group: ALeRCE

F. Forster on behalf of the ALeRCE broker report/s the discovery of a new astronomical transient.

IAU Designation: SN 2019ssi
Discoverer internal name: ZTF19acftfav
Coordinates (J2000): RA = 23:30:56.131 (352.7338795) DEC = +15:29:29.87 (15.4916298)
Discovery date: 2019-10-18 04:44:20 (JD=2458774.6974537)

Potential host galaxy: UGC 12640
Host redshift: 0.013373

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19acftfav

Photometry

Discovery (first detection):
Discovery date: 2019-10-18 04:44:20
Flux: 18.4167 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-10-15 06:27:36
Limiting flux: 19.3598 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2019ssi