Discovery certificate for object 2018aem
TNS Astronomical Transient Report No. 17261 [ 2018TNSTR.333....1R ]

Date Received (UTC): 2018-03-11 18:32:12
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 2018aem
Discoverer internal name: C17-0005
Coordinates (J2000): RA = 13:12:55.257 (198.230237) DEC = -03:54:51.32 (-3.914256)
Discovery date: 2018-03-06 19:07:46 (JD=2458184.29707)

Potential host galaxy: GALEXASC J131255.09-035448.5
Host redshift: 0.1561

Remarks: Associated with K2 object 251508112, separation: 2.50"

Photometry

Discovery (first detection):
Discovery date: 2018-03-06 19:07:46
Flux: 21.1 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

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