Discovery certificate for object 2017gsi
TNS Astronomical Transient Report No. 13623 [ 2017TNSTR1000....1T ]

Date Received (UTC): 2017-09-14 20:58:10
Sender: ATLAS (ATLAS_Bot1)
Reporting Group: ATLAS     Discovery Data Source: 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 2017gsi
Discoverer internal name: ATLAS17kpw
Coordinates (J2000): RA = 22:42:56.569 (340.735706098) DEC = +67:20:03.82 (67.3343931707)
Discovery date: 2017-09-02 10:50:52 (JD=2457998.9519907)



Photometry

Discovery (first detection):
Discovery date: 2017-09-02 10:50:52
Flux: 17.74 ABMag
Filter: orange-ATLAS
Instrument: ACAM1
Telescope: ATLAS Haleakala

Last non-detection:
Last non-detection date: 2017-08-31 13:04:48
Limiting flux: 19.29 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/2017gsi