Discovery certificate for object 2021elk
TNS Astronomical Transient Report No. 101193 [ 2021TNSTR.694....1S ]

Date Received (UTC): 2021-03-05 01:56:39
Sender: Dr. Ismael Perez-Fournon
Reporting Group: SGLF     Discovery Data Source: ZTF

R. Shirley (Univ. of Southampton), I. Perez-Fournon, C. Jimenez Angel, F. Poidevin (IAC & ULL), R. Marques-Chaves (Univ. of Geneva), S. Geier (GRANTECAN & IAC), Y. Shu (MPA), S. Rodney, J. Roberts-Pierel (Univ. of South Carolina), A. Bolton (NSF's NOIRLab), S. Chakrabarti, P. Craig, and B. Alamiri (RIT) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2021elk
Discoverer internal name: ZTF21aagcxwy
Coordinates (J2000): RA = 16:43:19.902 (250.832925) DEC = +69:37:29.10 (69.62475)
Discovery date: 2021-01-12 12:45:36.000 (JD=2459227.0316667)


Remarks: 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), ANTARES (https://antares.noirlab.edu), Fink (https://fink-broker.org), and MARS (https://mars.lco.global) brokers.

Photometry

Discovery (first detection):
Discovery date: 2021-01-12 12:45:36.000
Flux: 20.744 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2021-01-12 11:53:14
Limiting flux: 20.048 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/2021elk