Discovery certificate for object 2019sln
TNS Astronomical Transient Report No. 49302 [ 2019TNSTR2064....1F ]

Date Received (UTC): 2019-10-12 15:38:16
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster on behalf of the ALeRCE broker report/s the discovery of a new astronomical transient.

IAU Designation: AT 2019sln
Discoverer internal name: ZTF19acekret
Coordinates (J2000): RA = 16:58:34.298 (254.6429092) DEC = +40:47:46.02 (40.7961172)
Discovery date: 2019-10-12 02:59:16.000 (JD=2458768.6244907)

Potential host galaxy: SDSS J165834.19+404745.6
Host redshift: 0.108

Remarks: Early SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19acekret

Photometry

Discovery (first detection):
Discovery date: 2019-10-12 02:59:16.000
Flux: 19.7355 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-10-08 04:49:15
Limiting flux: 19.3391 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://www.wis-tns.org/object/2019sln