Discovery certificate for object 2020ioa
TNS Astronomical Transient Report No. 69225 [ 2020TNSTR1167....1F ]

Date Received (UTC): 2020-04-29 20:28:41
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 2020ioa
Discoverer internal name: ZTF20aawzhim
Coordinates (J2000): RA = 10:05:20.424 (151.3351001) DEC = +37:56:19.82 (37.93884)
Discovery date: 2020-04-29 04:05:43.996 (JD=2458968.6706481)

Potential host galaxy: WISEA J100520.48+375619.1
Host redshift: 0.052345

Remarks: Early SN candidate (g-rise > 0.53+-0.03 mag/day, r-rise > 0.22+-0.02 mag/day) classified by ALeRCE using the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF20aawzhim

Photometry

Discovery (first detection):
Discovery date: 2020-04-29 04:05:43.996
Flux: 19.3206 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2020-04-26 05:09:17
Limiting flux: 20.803 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://wis-tns.weizmann.ac.il/object/2020ioa