Discovery certificate for object 2019qkw
TNS Astronomical Transient Report No. 47272 [ 2019TNSTR1865....1F ]

Date Received (UTC): 2019-09-20 14:56:49
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 2019qkw
Discoverer internal name: ZTF19abzrzmi
Coordinates (J2000): RA = 23:25:33.639 (351.3901614) DEC = +02:54:16.65 (2.9046256)
Discovery date: 2019-09-20 04:42:54 (JD=2458746.6964583)

Potential host galaxy: SDSS J232533.72+025415.0
Host redshift: 0.321

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19abzrzmi

Photometry

Discovery (first detection):
Discovery date: 2019-09-20 04:42:54
Flux: 19.9636 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-09-19 04:48:45
Limiting flux: 20.0868 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/2019qkw