Discovery certificate for object 2019szj
TNS Astronomical Transient Report No. 49845 [ 2019TNSTR2134....1F ]

Date Received (UTC): 2019-10-21 15:28:51
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 2019szj
Discoverer internal name: ZTF19acgkbde
Coordinates (J2000): RA = 20:12:37.566 (303.1565263) DEC = -00:11:17.28 (-0.188134)
Discovery date: 2019-10-21 02:51:17 (JD=2458777.6189468)

Potential host galaxy: SDSS J201237.56-001116.7
Host redshift: 0.022

Remarks: Early SN candidate (g-rise > 0.04 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19acgkbde

Photometry

Discovery (first detection):
Discovery date: 2019-10-21 02:51:17
Flux: 19.8917 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-10-15 02:10:31
Limiting flux: 19.4953 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/2019szj