Discovery certificate for object 2019tll
TNS Astronomical Transient Report No. 50888 [ 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 2019tll
Discoverer internal name: ZTF19aciuozv
Coordinates (J2000): RA = 01:06:18.570 (16.5773764) DEC = +32:50:37.26 (32.8436841)
Discovery date: 2019-10-27 03:53:27 (JD=2458783.6621181)

Potential host galaxy: SDSS J010618.61+325036.5
Host redshift: 0.144

Remarks: SN candidate classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF19aciuozv

Photometry

Discovery (first detection):
Discovery date: 2019-10-27 03:53:27
Flux: 20.3697 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 03:13:04
Limiting flux: 20.2235 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/2019tll