Discovery certificate for object 2018ns
TNS Astronomical Transient Report No. 16732 [ 2018TNSTR.149....1R ]

Date Received (UTC): 2018-02-04 07:29:33
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 2018ns
Discoverer internal name: C16-0041
Coordinates (J2000): RA = 09:14:10.223 (138.542596) DEC = +14:15:37.30 (14.260361)
Discovery date: 2018-01-22 16:55:57 (JD=2458141.20553)

Potential host galaxy: SDSS J091409.66+141540.1
Host redshift: 0.111

Remarks: Associated with K2 object 211579863, 9.25" separation

Photometry

Discovery (first detection):
Discovery date: 2018-01-22 16:55:57
Flux: 21.817 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 imaging

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