Discovery certificate for object 2021htf
TNS Astronomical Transient Report No. 104865 [ 2021TNSTR1024....1P ]

Date Received (UTC): 2021-04-03 00:37:42
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

Ismael Perez-Fournon report/s the discovery of a new astronomical transient.

IAU Designation: SN 2021htf
Discoverer internal name: ZTF21aarbhhp
Coordinates (J2000): RA = 10:13:46.551 (153.443962) DEC = -00:54:31.03 (-0.908619)
Discovery date: 2021-03-29 05:46:59.000 (JD=2459302.7409606)

Potential host galaxy: SDSS J101346.81-005451.3
Host redshift: 0.0424378

Remarks: PSN likely associated with SDSS J101346.81-005451.3 = CGCG008-077, a galaxy in the cluster of galaxies Abell 0957. Data were provided by the Zwicky Transient Facility (https://www.ztf.caltech.edu) and processed through the Lasair (https://lasair.roe.ac.uk), ALeRCE (https://alerce.online), Fink (https://fink-broker.org), ANTARES (https://antares.noirlab.edu), and MARS (https://mars.lco.global) brokers and our SGLF ZTF database and filters.

Photometry

Discovery (first detection):
Discovery date: 2021-03-29 05:46:59.000
Flux: 19.577 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2021-03-25 06:36:57
Limiting flux: 17.693 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin


Details of the new object can be viewed here: https://www.wis-tns.org/object/2021htf