TNS Astronomical Transient Report No. 103781 [ 2021TNSTR.886....1M ]

Date Received (UTC): 2021-03-23 21:22:32
Date made public:
Sender: ALeRCE
Reporting Group: ALeRCE     Discovery Data Source: ZTF

A. Munoz-Arancibia, F. Forster, F.E. Bauer, G. Pignata, L. Hernandez-Garcia, L. Galbany, 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 2021gyo
Discoverer internal name: ZTF21aaqojqu
Coordinates (J2000): RA = 11:54:20.142 (178.583926975) DEC = -02:57:42.08 (-2.96169005)
Discovery date: 2021-03-18 07:02:02.000 (JD=2459291.7930787)

Potential host galaxy: LCRS B115146.3-024059
Host redshift: 0.1353

Remarks: SN candidate classified using ALeRCE's stamp classifier - see http://arxiv.org/abs/2008.03309 - and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF21aaqojqu

Photometry

Discovery (first detection):
Discovery date: 2021-03-18 07:02:02.000
Flux: 20.5972 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2021-03-08 06:53:07
Limiting flux: 19.8883 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/2021gyo