Discovery certificate for object 2019szm
TNS Astronomical Transient Report No. 49848 [ 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 2019szm
Discoverer internal name: ZTF19acgkpis
Coordinates (J2000): RA = 22:42:03.379 (340.514080133333) DEC = +00:53:54.37 (0.898437033333333)
Discovery date: 2019-10-21 04:25:24 (JD=2458777.6843056)

Potential host galaxy: WISEA J224203.39+005354.6
Host redshift: 0.128565

Remarks: Early SN candidate (g-rise > 0.03 mag/day, r-rise > 0.12 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19acgkpis

Photometry

Discovery (first detection):
Discovery date: 2019-10-21 04:25:24
Flux: 19.9182 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-10-18 05:22:25
Limiting flux: 19.8545 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/2019szm