Discovery certificate for object 2019obn
TNS Astronomical Transient Report No. 44445 [ 2019TNSTR1560....1F ]

Date Received (UTC): 2019-08-21 15:39:16
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 2019obn
Discoverer internal name: ZTF19abqsjtk
Coordinates (J2000): RA = 14:46:56.051 (221.7335447) DEC = -01:17:34.42 (-1.2928942)
Discovery date: 2019-08-21 03:35:49 (JD=2458716.6498727)

Potential host galaxy: SDSS J144656.04-011734.3
Host redshift: 0.077

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/vue/object/ZTF19abqsjtk

Photometry

Discovery (first detection):
Discovery date: 2019-08-21 03:35:49
Flux: 19.3692 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-08-21 03:27:13
Limiting flux: 19.8563 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/2019obn