Discovery certificate for object 2016jiw
TNS Astronomical Transient Report No. 26972 [ 2018TNSTR1965....1B ]

Date Received (UTC): 2018-12-23 14:15:14
Sender: Mr. Richard Nowell

S. Beer, C. Macmillan report/s the discovery of a new astronomical transient.

IAU Designation: AT 2016jiw
Coordinates (J2000): RA = 11:49:28.128 (177.3672) DEC = +01:54:12.60 (1.9035)
Discovery date: 2016-04-08 02:57:27 (JD=2457486.6232292)

Potential host galaxy: SDSS J114928.25+015415.9
Host redshift: 0.137

Remarks: This transient was first noticed in a discussion started by Sylvia Beer (Bluemagi) on the Galaxy Zoo website here: https://www.zooniverse.org/projects/zookeeper/galaxy-zoo/talk/subjects/26444004. Other participants are: Christine Macmillan (ChristineM) and Richard Nowell.

Photometry

Discovery (first detection):
Discovery date: 2016-04-08 02:57:27
Flux: 20.23 ABMag
Filter: R-Cousins
Instrument: LORAL
Telescope: CTIO - 1.5-Meter Telescope (SMARTS Consortium)

Remarks: The Apparent magnitude was calculated by Richard Nowell using APT and reference star: SDSS J114932.45+015524.6 http://skyserver.sdss.org/dr14/en/tools/explore/Summary.aspx?id=1237671128589795496. An Absolute magnitude of -18.76 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/2016jiw