Discovery certificate for object 2017kew
TNS Astronomical Transient Report No. 74315 [ 2020TNSTR1829....1T ]

Date Received (UTC): 2020-06-17 06:13:35
Sender: Ms. Ine Theunissen
Reporting Group: None     Discovery Data Source: None

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

IAU Designation: AT 2017kew
Coordinates (J2000): RA = 12:51:09.480 (192.7895) DEC = +03:58:55.56 (3.9821)
Discovery date: 2017-03-05 06:33:25.000 (JD=2457817.773206)

Potential host galaxy: WISEA J125109.34+035852.9
Host redshift: 0.102474

Remarks: This transient was first discovered by Ine Theunissen on the Galaxy Zoo Mobile website here: https://www.zooniverse.org/projects/mikewalmsley/galaxy-zoo-mobile/talk/subjects/42321206.

Photometry

Discovery (first detection):
Discovery date: 2017-03-05 06:33:25.000
Flux: 17.58 ABMag
Filter: R-Cousins
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope

Remarks: The r-band Apparent magnitude was calculated by Ine Theunissen using APT and reference star: SDSS J125102.83+035858.9 http://skyserver.sdss.org/dr14/en/tools/explore/Summary.aspx?id=1237671264424689873. The r-band Absolute magnitude of -20.70 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/2017kew