Discovery certificate for object 2019tlk
TNS Astronomical Transient Report No. 50887 [ 2019TNSTR2194....1F ]

Date Received (UTC): 2019-10-27 16:46:04
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, G. Pignata, J. Arredondo, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, E. Reyes, I. Reyes, P. Sanchez-Saez, C. Valenzuela, E. Castillo, D. Ruz-Mieres, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker report/s the discovery of a new astronomical transient.

IAU Designation: AT 2019tlk
Discoverer internal name: ZTF19aciulqr
Coordinates (J2000): RA = 01:01:54.899 (15.4787471) DEC = +22:33:26.29 (22.5573026)
Discovery date: 2019-10-27 03:52:48 (JD=2458783.6616667)

Potential host galaxy: SDSS J010154.99+223325.4
Host redshift: 0.153

Remarks: SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19aciulqr

Photometry

Discovery (first detection):
Discovery date: 2019-10-27 03:52:48
Flux: 20.4215 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2019-10-27 03:12:26
Limiting flux: 20.1726 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/2019tlk