Discovery certificate for object 2019sfs
TNS Astronomical Transient Report No. 48987 [ 2019TNSTR2028....1F ]

Date Received (UTC): 2019-10-08 13:12:44
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

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

IAU Designation: AT 2019sfs
Discoverer internal name: ZTF18abshmgx
Coordinates (J2000): RA = 01:08:52.951 (17.2206294) DEC = -15:37:17.76 (-15.6216007)
Discovery date: 2019-10-08 09:34:20.000 (JD=2458764.8988426)

Potential host galaxy: 2MASX J01085294-1537167
Host redshift: 0.095836

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF18abshmgx

Photometry

Discovery (first detection):
Discovery date: 2019-10-08 09:34:20.000
Flux: 19.9202 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-10-08 09:05:13
Limiting flux: 20.4219 ABMag
Filter: g-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/2019sfs