Discovery certificate for object 2015di
TNS Astronomical Transient Report No. 54329 [ 2019TNSTR2577....1T ]

Date Received (UTC): 2019-12-11 17:03:53
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 2015di
Coordinates (J2000): RA = 08:31:19.152 (127.8298) DEC = +26:36:37.44 (26.6104)
Discovery date: 2015-04-11 00:11:27 (JD=2457123.5079514)

Potential host galaxy:  SDSS J083119.73+263638.3
Host redshift: 0.0975

Remarks: This transient was first observed by Ine Theunissen on the Galaxy Zoo website here: https://www.zooniverse.org/projects/zookeeper/galaxy-zoo/talk/subjects/36227773 Christine Macmillan also took part in the discussion.

Photometry

Discovery (first detection):
Discovery date: 2015-04-11 00:11:27
Flux: 19.23 ABMag
Filter: R-Cousins
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope

Last non-detection:
Archival info: SDSS

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2015di