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Constraints on Relativistic Jets in Quiescent Black Hole X-ray Binaries from Broadband Spectral Modeling
Richard M. Plotkin, Elena Gallo, Sera Markoff +5
The nature of black hole jets at the lowest detectable luminosities remains an open question, largely due to a dearth of observational constraints. Here, we present a new, nearly-s…
Shell-Shocked: The Interstellar Medium Near Cygnus X-1
P. H. Sell, S. Heinz, E. Richards +6
We conduct a detailed case-study of the interstellar shell near the high-mass X-ray binary, Cygnus X-1. We present new WIYN optical spectroscopic and Chandra X-ray observations of…
Polarimetric and spectroscopic optical observations of the ultra-compact X-ray binary 4U 0614+091
M. C. Baglio, D. Mainetti, P. D'Avanzo +4
Aims: We present a polarimetric and spectroscopic study of the persistent ultra compact X-ray binary 4U 0614+091 aimed at searching for the emission of a relativistic particle jet…
Circular polarization in the optical afterglow of GRB 121024A
K. Wiersema, S. Covino, K. Toma +37
Gamma-ray bursts (GRBs) are most probably powered by collimated relativistic outflows (jets) from accreting black holes at cosmological distances. Bright afterglows are produced wh…
Multiwavelength observations of the black hole transient Swift J1745-26 during the outburst decay
Emrah Kalemci, Mehtap Ozbey Arabaci, Tolga Guver +12
We characterized the broad-band X-ray spectra of Swift J1745-26 during the decay of the 2013 outburst using INTEGRAL ISGRI, JEM-X and Swift XRT. The X-ray evolution is compared to…
The radio/X-ray domain of black hole X-ray binaries at the lowest radio luminosities
E. Gallo, J. C. A. Miller-Jones, D. M. Russell +7
[Abridged] We report on deep, coordinated radio and X-ray observations of the black hole X-ray binary XTE J1118+480 in quiescence. The source was observed with the Karl G. Jansky V…