Discovery certificate for object 2017efs
TNS Astronomical Transient Report No. 11658 [ 2017TNSTR.580....1T ]

Date Received (UTC): 2017-05-23 09:50:03
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 (Queen's University Belfast) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2017efs
Discoverer internal name: ATLAS17fpx
Coordinates (J2000): RA = 11:51:06.126 (177.775526) DEC = +43:24:52.11 (43.414474)
Discovery date: 2017-05-21 07:59:31 (JD=2457894.8329977)



Photometry

Discovery (first detection):
Discovery date: 2017-05-21 07:59:31
Flux: 18.09 ABMag
Filter: cyan-ATLAS
Instrument: ACAM1
Telescope: ATLAS Haleakala

Last non-detection:
Last non-detection date: 2017-05-14 08:02:24
Limiting flux: 18.72 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/2017efs