Discovery certificate for object 2013kg
TNS Astronomical Transient Report No. 33640 [ 2019TNSTR.631....1T ]

Date Received (UTC): 2019-04-25 18:26:44
Sender: Ms. Melina Thévenot
Source Group: None

Melina Thévenot report/s the discovery of a new astronomical transient.

IAU Designation: AT 2013kg
Coordinates (J2000): RA = 05:42:47.563 (85.698181) DEC = +82:27:26.62 (82.457394)
Discovery date: 2013-10-23 13:30:10 (JD=2456589.0626157)

Potential host galaxy: 2MASX J05424549+8227386
Host redshift: 0.034897

Remarks: Transient was first discussed by Melina Thévenot at the galaxy zoo website, see here: https://www.zooniverse.org/projects/zookeeper/galaxy-zoo/talk/1268/977544. The Absolute Magnitude was calculated to be about -17 to -16 depending on epoch and filter.

Photometry

Discovery (first detection):
Discovery date: 2013-10-23 13:30:10
Flux: 19.13 ABMag
Filter: z-Sloan
Instrument: GPC1
Telescope: Pan-STARRS

Remarks: --- Close to the transient is an artifact. --- Apparent Magnitude was calculated with APT, using the reference star SDSS J054305.81+822804.5, see also: http://vizier.u-strasbg.fr/viz-bin/VizieR-5?-ref=VIZ5cc1e5a4b91d&-out.add=.&-source=II/349/ps1&-c=085.774219480%20%2b82.467913380,eq=J2000,rs=2&-out.orig=o

Last non-detection:
Archival info: SDSS

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2013kg