Discovery certificate for object 2013kd
TNS Astronomical Transient Report No. 25093 [ 2018TNSTR1787....1N ]

Date Received (UTC): 2018-11-18 16:11:35
Sender: Mr. Richard Nowell
Source Group: None

R. Nowell, A. Bellinghausen report/s the discovery of a new astronomical transient.

IAU Designation: AT 2013kd
Coordinates (J2000): RA = 13:51:47.568 (207.9482) DEC = +02:44:53.16 (2.7481)
Discovery date: 2013-04-02 07:55:18 (JD=2456384.8300694)

Potential host galaxy: SDSS J135147.61+024450.6
Host redshift: 0.069

Remarks: This transient was first noticed in a discussion started by Angelika Bellinghausen on the Galaxy Zoo website here: https://www.zooniverse.org/projects/zookeeper/galaxy-zoo/talk/subjects/27360130. Other participants are: Christine Macmillan (ChristineM), CeciliaB and Rick Nowell.

Photometry

Discovery (first detection):
Discovery date: 2013-04-02 07:55:18
Flux: 19.15 ABMag
Filter: R-Cousins
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope

Remarks: The magnitude was calculated by Richard Nowell using APT and reference star: SDSS J135145.92+024535.1 http://skyserver.sdss.org/dr14/en/tools/explore/Summary.aspx?id=1237674602676814210. Absolute magnitude was calculated as -18.37 (with K-correction).

Last non-detection:
Archival info: SDSS

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