Discovery certificate for object 2014gb
TNS Astronomical Transient Report No. 41908 [ 2019TNSTR1209....1D ]

Date Received (UTC): 2019-07-18 19:01:02
Sender: Ms. Melina Thévenot
Source Group: None

Michael Dunston, Michael Mojstrovich, Melina Thévenot report/s the discovery of a new astronomical transient.

IAU Designation: AT 2014gb
Coordinates (J2000): RA = 00:42:11.232 (10.5468) DEC = -09:28:22.08 (-9.4728)
Discovery date: 2014-10-24 02:23:24 (JD=2456954.5995833)

Potential host galaxy: GALEXASC J004211.18-092820.3
Host redshift: 0.095302

Remarks: An Absolute Magnitude of about -19 was also calculated. The transient was first discovered by Michael Dunston on the galaxy zoo website. See also: https://www.zooniverse.org/projects/zookeeper/galaxy-zoo/talk/1267/1058276

Photometry

Discovery (first detection):
Discovery date: 2014-10-24 02:23:24
Flux: 18.9 ABMag
Filter: r-Sloan
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope

Remarks: Apparent Magnitude was calculated with Aperture Photometry Tool by Melina Thévenot, using SDSS J004206.66-092750.2 http://skyserver.sdss.org/dr14/en/tools/explore/Summary.aspx?id=1237652630713729057

Last non-detection:
Archival info: SDSS

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2014gb