Discovery certificate for object 2019ofa
TNS Astronomical Transient Report No. 44540 [ 2019TNSTR1575....1F ]

Date Received (UTC): 2019-08-22 18:13:07
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 2019ofa
Discoverer internal name: ZTF19abrctbt
Coordinates (J2000): RA = 01:20:00.133 (20.0005532) DEC = +12:37:53.74 (12.6315932)
Discovery date: 2019-08-22 10:03:45 (JD=2458717.9192708)

Potential host galaxy: SDSS J012000.42+123800.7
Host redshift: 0.031

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/vue/object/ZTF19abrctbt

Photometry

Discovery (first detection):
Discovery date: 2019-08-22 10:03:45
Flux: 20.0127 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-08-17 10:34:01
Limiting flux: 19.751 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/2019ofa