Discovery certificate for object 2018brq
TNS Astronomical Transient Report No. 18612 [ 2018TNSTR.634....1R ]

Date Received (UTC): 2018-05-14 21:46:42
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 2018brq
Discoverer internal name: C17-0127
Coordinates (J2000): RA = 13:37:18.966 (204.329025) DEC = -07:45:47.41 (-7.763169)
Discovery date: 2018-03-09 20:02:09 (JD=2458187.33483)

Potential host galaxy: 2MASX J13371893-0745476

Remarks: Associated with K2 object 212720083, separation: 25.50" - despite large separation, the target is on K2 silicon. Past-maximum i ~ 20.5 on 20180503.

Photometry

Discovery (first detection):
Discovery date: 2018-03-09 20:02:09
Flux: 22.131 ABMag
Filter: g-Sloan
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope

Last non-detection:
Archival info: Other
Remarks: Not detected in archival DECam imaging on 2018-03-11 in i-band. Detected in g-band but object did not satisfy trigger criteria.

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