Discovery certificate for object 2018nt
TNS Astronomical Transient Report No. 16733 [ 2018TNSTR.149....1R ]

Date Received (UTC): 2018-02-04 07:33:42
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: SN 2018nt
Discoverer internal name: C16-0043
Coordinates (J2000): RA = 09:23:27.454 (140.864392) DEC = +17:11:03.40 (17.184278)
Discovery date: 2018-01-22 17:02:13 (JD=2458141.20988)

Potential host galaxy: SDSS J092327.52+171104.4
Host redshift: 0.226

Remarks: Associated with K2 object 251305639, separation 1.83 arcsec

Photometry

Discovery (first detection):
Discovery date: 2018-01-22 17:02:13
Flux: 19.378 ABMag
Filter: i-Sloan
Instrument: DECAM
Telescope: CTIO - 4-m Victor M. Blanco Telescope

Last non-detection:
Archival info: Other
Remarks: Not detected in archival PS1 images on 20180123, or in archival SDSS images

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