Discovery certificate for object 2019oku
TNS Astronomical Transient Report No. 44923 [ 2019TNSTR1589....1F ]

Date Received (UTC): 2019-08-23 20:07:02
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 2019oku
Discoverer internal name: ZTF19abrdyfn
Coordinates (J2000): RA = 16:16:44.187 (244.1841107) DEC = +33:08:01.37 (33.1337137)
Discovery date: 2019-08-23 03:39:19 (JD=2458718.6523032)

Potential host galaxy: SDSS J161644.33+330801.5
Host redshift: 0.155

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/vue/object/ZTF19abrdyfn

Photometry

Discovery (first detection):
Discovery date: 2019-08-23 03:39:19
Flux: 20.1558 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-08-16 06:47:27
Limiting flux: 19.5205 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/2019oku