Discovery certificate for object 2017kdx
TNS Astronomical Transient Report No. 37940 [ 2019TNSTR1018....1T ]

Date Received (UTC): 2019-06-16 12:41:57
Sender: Mr. Richard Nowell
Source Group: None

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

IAU Designation: AT 2017kdx
Coordinates (J2000): RA = 15:26:29.988 (231.624952) DEC = +14:32:04.44 (14.534567)
Discovery date: 2017-03-28 09:31:29 (JD=2457840.8968634)

Potential host galaxy: SDSS J152630.04+143211.1
Host redshift: 0.133642

Remarks: This transient was first noticed by Ine Theunissen on the Galaxy Zoo website here: https://www.zooniverse.org/projects/zookeeper/galaxy-zoo/talk/subjects/34060241.

Photometry

Discovery (first detection):
Discovery date: 2017-03-28 09:31:29
Flux: 22.28 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 the reference star: SDSS J152630.75+143211.7 http://skyserver.sdss.org/dr14/en/tools/explore/Summary.aspx?id=1237668311625695500. An r-band Absolute magnitude of -16.66 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/2017kdx