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Upper Limits from Five Years of Blazar Observations with the VERITAS Cherenkov Telescopes
(IOP Publishing, 2016-06)
Between the beginning of its full-scale scientific operations in 2007 and 2012, the VERITAS Cherenkovtelescope array observed more than 130 blazars; of these, 26 were detected as very-high-energy (VHE; E>100GeV) γ-ray ...
The globular cluster kinematics and galaxy dark matter content of NGC 3923
(Wiley, 2012-01)
This paper presents further results from our spectroscopic study of the globular cluster (GC) system of the group elliptical NGC 3923. From observations made with the GMOS instrument on the Gemini South telescope, an ...