Discovery certificate for object 2018byn
TNS Astronomical Transient Report No. 18843 [ 2018TNSTR.707....1T ]

Date Received (UTC): 2018-05-25 10:46:25
Sender: ATLAS (ATLAS_Bot1)
Source Group: ATLAS

J. Tonry, B. Stalder, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), A. Rest (STScI), K. W. Smith, S. J. Smartt, D. R. Young, M. Fulton, O. McBrien, D. O'Neill, P. Clark (Queen's University Belfast) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2018byn
Discoverer internal name: ATLAS18pku
Coordinates (J2000): RA = 17:45:00.940 (266.25391625) DEC = +51:39:13.47 (51.653741875)
Discovery date: 2018-05-18 12:18:43 (JD=2458257.0129977)



Photometry

Discovery (first detection):
Discovery date: 2018-05-18 12:18:43
Flux: 19.034 ABMag
Filter: cyan-ATLAS
Instrument: ACAM1
Telescope: ATLAS Haleakala

Last non-detection:
Last non-detection date: 2018-05-16 14:48:28
Limiting flux: 18.39 ABMag
Filter: orange-ATLAS
Instrument: ACAM1
Telescope: ATLAS Haleakala


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