Discovery certificate for object 2015cy
TNS Astronomical Transient Report No. 36084 [ 2019TNSTR.885....1K ]

Date Received (UTC): 2019-05-31 08:55:49
Sender: Mr. Richard Nowell
Source Group: None

Marco A. Kovic report/s the discovery of a new astronomical transient.

IAU Designation: AT 2015cy
Coordinates (J2000): RA = 11:55:49.584 (178.9566) DEC = +00:01:44.40 (0.029)
Discovery date: 2015-04-11 03:02:05 (JD=2457123.6264468)

Potential host galaxy: SDSS J115549.70+000143.2
Host redshift: 0.108996

Remarks: This transient was first noticed by Marco Kovic on the Galaxy Zoo website here: https://www.zooniverse.org/projects/zookeeper/galaxy-zoo/talk/subjects/32408470.

Photometry

Discovery (first detection):
Discovery date: 2015-04-11 03:02:05
Flux: 20.11 ABMag
Filter: R-Cousins
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope

Remarks: The r-band Apparent magnitude value was taken from the DECaLS DR7 catalogue. A r-band Absolute magnitude of -18.51 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/2015cy