Discovery certificate for object 2018lrb
TNS Astronomical Transient Report No. 61711 [ 2020TNSTR.471....1T ]

Date Received (UTC): 2020-02-13 12:23:34
Sender: Ms. Ine Theunissen
Reporting Group: None     Discovery Data Source: DES

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

IAU Designation: AT 2018lrb
Coordinates (J2000): RA = 12:19:05.472 (184.7728) DEC = +27:17:47.04 (27.2964)
Discovery date: 2018-02-18 07:23:03.000 (JD=2458167.8076736)

Potential host galaxy: IC 3143
Host redshift: 0.023316

Remarks: This transient was first discovered by Ine Theunissen while examining galaxy IC 3143 in the Legacy Survey Sky Viewer here: http://www.legacysurvey.org/viewer?ra=184.7728&dec=27.2964&layer=decals-dr7&zoom=15. Rick Nowell also took part in the discussion started by Ine Theunissen on the Galaxy Zoo website here: https://www.zooniverse.org/projects/zookeeper/galaxy-zoo/talk/1269/1203627 and here: https://www.zooniverse.org/projects/zookeeper/galaxy-zoo/talk/1268/1185971.

Photometry

Discovery (first detection):
Discovery date: 2018-02-18 07:23:03.000
Flux: 20.5 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/2018lrb