Discovery certificate for object 2019sfr
TNS Astronomical Transient Report No. 48986 [ 2019TNSTR2028....1F ]

Date Received (UTC): 2019-10-08 13:12:44
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: AT 2019sfr
Discoverer internal name: ZTF19acdqbvf
Coordinates (J2000): RA = 23:07:10.679 (346.7944973) DEC = +04:59:15.26 (4.9875718)
Discovery date: 2019-10-08 09:39:33 (JD=2458764.9024653)

Potential host galaxy: SDSS J230711.04+045924.4
Host redshift: 0.163

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19acdqbvf

Photometry

Discovery (first detection):
Discovery date: 2019-10-08 09:39:33
Flux: 20.0815 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 07:01:36
Limiting flux: 19.7082 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/2019sfr