Discovery certificate for object 2017exl
TNS Astronomical Transient Report No. 12195 [ 2017TNSTR.689....1T ]

Date Received (UTC): 2017-06-24 12:12:03
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 2017exl
Discoverer internal name: ATLAS17hmp
Coordinates (J2000): RA = 15:12:09.484 (228.039516) DEC = +74:07:52.31 (74.131197)
Discovery date: 2017-06-21 08:52:48 (JD=2457925.87)



Photometry

Discovery (first detection):
Discovery date: 2017-06-21 08:52:48
Flux: 18.81 ABMag
Filter: orange-ATLAS
Instrument: ACAM1
Telescope: ATLAS Haleakala

Last non-detection:
Last non-detection date: 2017-06-18 09:21:36
Limiting flux: 16.49 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/2017exl