Discovery certificate for object 2019rib
TNS Astronomical Transient Report No. 48099 [ 2019TNSTR1934....1F ]

Date Received (UTC): 2019-09-28 13:42:06
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster on behalf of the ALeRCE broker report/s the discovery of a new astronomical transient.

IAU Designation: AT 2019rib
Discoverer internal name: ZTF19acbjofx
Coordinates (J2000): RA = 23:22:40.998 (350.6708244) DEC = +22:27:16.64 (22.4546225)
Discovery date: 2019-09-28 04:03:39 (JD=2458754.6692014)

Potential host galaxy: SDSS J232240.11+222714.8
Host redshift: 0.051

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19acbjofx

Photometry

Discovery (first detection):
Discovery date: 2019-09-28 04:03:39
Flux: 20.1934 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-09-25 04:49:49
Limiting flux: 20.4344 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/2019rib