Discovery certificate for object 2019mkn
TNS Astronomical Transient Report No. 43016 [ 2019TNSTR1403....1F ]

Date Received (UTC): 2019-08-03 09:21:06
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 2019mkn
Discoverer internal name: ZTF19ablwlib
Coordinates (J2000): RA = 20:49:54.796 (312.4783152) DEC = +08:38:10.41 (8.6362237)
Discovery date: 2019-08-02 09:28:30 (JD=2458697.8947917)

Potential host galaxy: MCG+01-53-004

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/vue/object/ZTF19ablwlib

Photometry

Discovery (first detection):
Discovery date: 2019-08-02 09:28:30
Flux: 19.9183 ABMag
Filter: i-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-07-30 08:28:39
Limiting flux: 20.7222 ABMag
Filter: i-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/2019mkn