Discovery certificate for object 2019osk
TNS Astronomical Transient Report No. 45240 [ 2019TNSTR1621....1F ]

Date Received (UTC): 2019-08-26 21:07:23
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 2019osk
Discoverer internal name: ZTF19absfxww
Coordinates (J2000): RA = 18:49:20.063 (282.3335939) DEC = +45:19:25.03 (45.3236203)
Discovery date: 2019-08-26 06:15:46 (JD=2458721.7609491)

Potential host galaxy: 2MASS J18504760+4522545

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/vue/object/ZTF19absfxww

Photometry

Discovery (first detection):
Discovery date: 2019-08-26 06:15:46
Flux: 20.2942 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-08-25 07:22:30
Limiting flux: 20.6967 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/2019osk