Discovery certificate for object 2019mrk
TNS Astronomical Transient Report No. 43232 [ 2019TNSTR1411....1F ]

Date Received (UTC): 2019-08-05 16:56:21
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 2019mrk
Discoverer internal name: ZTF19abnktvx
Coordinates (J2000): RA = 15:28:23.812 (232.0992168) DEC = +28:50:03.35 (28.8342629)
Discovery date: 2019-08-05 04:13:57 (JD=2458700.6763542)

Potential host galaxy: FIRST J152823.5+285009

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/vue/object/ZTF19abnktvx

Photometry

Discovery (first detection):
Discovery date: 2019-08-05 04:13:57
Flux: 18.9059 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-08-02 04:53:14
Limiting flux: 20.725 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/2019mrk