Discovery certificate for object 2017kea
TNS Astronomical Transient Report No. 47034 [ 2019TNSTR1835....1T ]

Date Received (UTC): 2019-09-16 11:58:15
Sender: Mr. Richard Nowell
Source Group: None

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

IAU Designation: AT 2017kea
Coordinates (J2000): RA = 11:08:45.519 (167.189663) DEC = +02:02:46.00 (2.046112)
Discovery date: 2017-03-04 04:51:36 (JD=2457816.7025)

Potential host galaxy: PKS 1106+023
Host redshift: 0.15742

Remarks: This transient was first observed by Ine Theunissen on the Galaxy Zoo website here: https://www.zooniverse.org/projects/zookeeper/galaxy-zoo/talk/subjects/35623082. Marco Kovic started the discussion.

Photometry

Discovery (first detection):
Discovery date: 2017-03-04 04:51:36
Flux: 21.79 ABMag
Filter: R-Cousins
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope

Remarks: The r-band Apparent magnitude was calculated by Richard Nowell using APT and reference star: SDSS J110849.41+020337.6 http://skyserver.sdss.org/dr14/en/tools/explore/Summary.aspx?id=1237651753467838615. The r-band Absolute magnitude of -17.44 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/2017kea