Discovery certificate for object 2015ct
TNS Astronomical Transient Report No. 32796 [ 2019TNSTR.544....1T ]

Date Received (UTC): 2019-04-11 10:02:41
Sender: Mr. Richard Nowell
Source Group: None

Ine Theunissen-Limpens report/s the discovery of a new astronomical transient.

IAU Designation: AT 2015ct
Coordinates (J2000): RA = 13:04:06.850 (196.028543) DEC = +19:12:43.73 (19.212147)
Discovery date: 2015-04-08 04:57:56 (JD=2457120.7068981)

Potential host galaxy: IC 4141
Host redshift: 0.066341

Remarks: This transient was first discussed by Ine Theunissen-Limpens on the Galaxy Zoo website here: https://www.zooniverse.org/projects/zookeeper/galaxy-zoo/talk/1268/948351 .

Photometry

Discovery (first detection):
Discovery date: 2015-04-08 04:57:56
Flux: 17.46 ABMag
Filter: z-Sloan
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope

Remarks: The z-band Apparent magnitude was taken from the DECaLS DR7 catalogue. A z-band Absolute magnitude of -19.94 was also calculated.

Last non-detection:
Archival info: SDSS

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2015ct