Discovery certificate for object 2019sfk
TNS Astronomical Transient Report No. 48979 [ 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 2019sfk
Discoverer internal name: ZTF19acdtnzc
Coordinates (J2000): RA = 09:05:54.285 (136.47618885) DEC = +29:51:09.05 (29.852515)
Discovery date: 2019-10-08 11:42:01 (JD=2458764.9875116)

Potential host galaxy: SDSS J090554.22+295111.4
Host redshift: 0.128

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19acdtnzc

Photometry

Discovery (first detection):
Discovery date: 2019-10-08 11:42:01
Flux: 20.0225 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-09-22 12:35:50
Limiting flux: 19.2371 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/2019sfk