Discovery certificate for object 2019sfw
TNS Astronomical Transient Report No. 48991 [ 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 2019sfw
Discoverer internal name: ZTF19acdllyn
Coordinates (J2000): RA = 17:56:40.495 (269.1687296) DEC = +24:46:17.33 (24.7714814)
Discovery date: 2019-10-08 02:48:27 (JD=2458764.6169792)

Potential host galaxy: SDSS J175640.57+244617.4
Host redshift: 0.084

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19acdllyn

Photometry

Discovery (first detection):
Discovery date: 2019-10-08 02:48:27
Flux: 19.7949 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-10-04 03:08:38
Limiting flux: 20.4013 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/2019sfw