Discovery certificate for object 2020pkr
TNS Astronomical Transient Report No. 77570 [ 2020TNSTR2140....1F ]

Date Received (UTC): 2020-07-15 19:41:27
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, L. Galbany, G. Pignata, E. Camacho, J. Silva-Farfan, A. Mourao, 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 2020pkr
Discoverer internal name: ZTF20abltkre
Coordinates (J2000): RA = 14:27:45.746 (216.9406095) DEC = -00:12:45.58 (-0.2126606)
Discovery date: 2020-07-15 05:33:24.002 (JD=2459045.7315278)

Potential host galaxy: SDSS J142745.86-001245.3
Host redshift: 0.079

Remarks: Early SN candidate (g-rise > 0.31+-0.03 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20abltkre

Photometry

Discovery (first detection):
Discovery date: 2020-07-15 05:33:24.002
Flux: 18.9921 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-07-15 04:36:33
Limiting flux: 20.3798 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://www.wis-tns.org/object/2020pkr