Discovery certificate for object 2018bfv
TNS Astronomical Transient Report No. 18187 [ 2018TNSTR.589....1R ]

Date Received (UTC): 2018-05-07 02:49:18
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 2018bfv
Discoverer internal name: C17-0121
Coordinates (J2000): RA = 13:13:08.587 (198.285779) DEC = -12:49:12.81 (-12.820225)
Discovery date: 2018-04-24 14:12:27 (JD=2458233.09198)

Potential host galaxy: LCRS B131030.1-123319

Remarks: Associated with K2 object 212495942, separation = 1.12". Target is near the nucleus, but separation verified by manual inspection of difference images. Rise is consistent with a SN.

Photometry

Discovery (first detection):
Discovery date: 2018-04-24 14:12:27
Flux: 21.95 ABMag
Filter: i-Sloan
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope

Last non-detection:
Archival info: Other
Remarks: Not detected in g and i band DECam imaging on 2018-04-18.

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