Discovery certificate for object 2021ihr
TNS Astronomical Transient Report No. 105405 [ 2021TNSTR1052....1M ]

Date Received (UTC): 2021-04-05 21:59:18
Sender: ZTF (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: SN 2021ihr
Discoverer internal name: ZTF21aaskwgm
Coordinates (J2000): RA = 18:32:29.331 (278.12221135000004) DEC = +32:19:03.23 (32.317563050000004)
Discovery date: 2021-04-03 11:46:34.000 (JD=2459307.9906713)


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/ZTF21aaskwgm

Photometry

Discovery (first detection):
Discovery date: 2021-04-03 11:46:34.000
Flux: 20.2897 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Remarks: Data provided by ZTF

Last non-detection:
Last non-detection date: 2021-04-03 11:13:06
Limiting flux: 20.4342 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/2021ihr