Discovery certificate for object 2014gl
TNS Astronomical Transient Report No. 70444 [ 2020TNSTR1299....1E ]

Date Received (UTC): 2020-05-11 19:45:42
Sender: Ms. Ine Theunissen
Reporting Group: None     Discovery Data Source: None

Yannis F.A. Epitropoulos report/s the discovery of a new astronomical transient.

IAU Designation: AT 2014gl
Coordinates (J2000): RA = 16:59:53.856 (254.9744) DEC = +21:01:14.16 (21.0206)
Discovery date: 2014-08-13 01:34:16.000 (JD=2456882.565463)

Potential host galaxy: SDSS J165954.35+210116.3
Host redshift: 0.04541

Remarks: This transient was first discovered by Yannis Epitropoulos in the Legacy Survey Sky Viewer and discussed on the Galaxy Zoo website here: https://www.zooniverse.org/projects/zookeeper/galaxy-zoo/talk/1269/1203627. Richard Nowell and Sam Deen also took part in the discussion.

Photometry

Discovery (first detection):
Discovery date: 2014-08-13 01:34:16.000
Flux: 21.2 ABMag
Filter: z-Sloan
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope

Remarks: The z-band Apparent magnitude was calculated by Ine Theunissen using APT and reference star: SDSS J165956.03+210102.6 http://skyserver.sdss.org/dr14/en/tools/explore/Summary.aspx?id=1237661464922161269. The z-band Absolute magnitude of -15.30 was also calculated.

Last non-detection:
Archival info: SDSS

Details of the new object can be viewed here: https://www.wis-tns.org/object/2014gl