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astro-ph.CO2013★ 45 cited
A Time Resolved Study of the Broad Line Region in Blazar 3C 454.3
Jedidah C. Isler, C. Megan Urry, Paolo Coppi +6
We present multi-epoch optical observations of the blazar 3C 454.3 (z = 0.859) from 2008 August through 2011 December, using the SMARTS Consortium 1.5m+RCSpectrograph and 1.3m+ANDI…
astro-ph.HE2013★ 43 cited
Gamma-ray observations of Cygnus X-1 above 100 MeV in the hard and soft states
S. Sabatini, M. Tavani, P. Coppi +19
We present the results of multi-year gamma-ray observations by the AGILE satellite of the black hole binary system Cygnus X-1. In a previous investigation we focused on gamma-ray o…