Discovery certificate for object 2019sfj
TNS Astronomical Transient Report No. 48978 [ 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 2019sfj
Discoverer internal name: ZTF19acdtmwh
Coordinates (J2000): RA = 09:41:10.221 (145.2925875) DEC = +24:01:22.64 (24.0229566)
Discovery date: 2019-10-08 11:42:40 (JD=2458764.987963)

Potential host galaxy: 2MASX J09411042+2401218
Host redshift: 0.070028

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19acdtmwh

Photometry

Discovery (first detection):
Discovery date: 2019-10-08 11:42:40
Flux: 19.6828 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 12:21:34
Limiting flux: 19.9549 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/2019sfj