Discovery certificate for object 2018bcf
TNS Astronomical Transient Report No. 18069 [ 2018TNSTR.554....1R ]

Date Received (UTC): 2018-04-27 17:42:08
Sender: Dr. Gautham Narayan
Source Group: None

A. Rest (STScI), A. Zenteno(NOAO/CTIO), Giovanni Strampelli (STScI), B. E. Tucker (Mt Stromlo Observatory, ANU), P. M. Garnavich (Notre Dame), S. Margheim (Gemini Observatory), D. Kasen (UCB/LBL), R. Olling, E. Shaya (U Maryland), G. Narayan (STScI), A. Villar (CfA), F. Forster (U. de Chile), R. Mushotzky (UMD), R. Chris Smith (NOAO/CTIO) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2018bcf
Discoverer internal name: C17-0107
Coordinates (J2000): RA = 13:10:30.462 (197.626925) DEC = -03:20:29.56 (-3.341544)
Discovery date: 2018-04-17 13:14:45 (JD=2458226.05192)

Potential host galaxy: SDSS J131030.52-032026.5
Host redshift: 0.137

Remarks: Associated with K2 object 251519456, separation: 3.19"

Photometry

Discovery (first detection):
Discovery date: 2018-04-17 13:14:45
Flux: 22.355 ABMag
Filter: g-Sloan
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope

Last non-detection:
Archival info: Other
Remarks: Not detected in DECam g-band imaging on 20180414 or in archival PS1 imaging

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2018bcf