Discovery certificate for object 2020kwr
TNS Astronomical Transient Report No. 71777 [ 2020TNSTR1458....1F ]

Date Received (UTC): 2020-05-23 18:37:52
Sender: ZTF (ALeRCE)
Reporting Group: ALeRCE     Discovery Data Source: ZTF

F. Forster, F.E. Bauer, L. Galbany, G. Pignata, E. Camacho, J. Silva-Farfan, 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, F.E. Bauer, 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 2020kwr
Discoverer internal name: ZTF20abbbnrz
Coordinates (J2000): RA = 10:01:55.537 (150.4814024) DEC = +57:32:29.00 (57.5413898)
Discovery date: 2020-05-23 04:20:39.998 (JD=2458992.6810185)

Potential host galaxy: SDSS J100155.16+573229.4
Host redshift: 0.051

Remarks: Early SN candidate (g-rise > 0.09+-0.03 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20abbbnrz

Photometry

Discovery (first detection):
Discovery date: 2020-05-23 04:20:39.998
Flux: 20.2285 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-05-17 05:53:20
Limiting flux: 20.3539 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/2020kwr