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X-Ray Observations of V4641 SGR (= SAX J1819.3-2525) During the Brief and Violent Outburst of 2003
Dipankar Maitra, Charles D. Bailyn
We present the results of detailed analysis of pointed X-ray observations by RXTE PCA/HEXTE of the black hole X-ray binary (BHXRB) system V4641 Sgr (= SAX J1819.3-2525) during its…
Low-Intensity States in the Neutron Star X-ray Binary Aql X-1
Dipankar Maitra, Charles D. Bailyn
Aql X-1 was observed in a Low Intensity State (LIS), a state that is usually characterized by high optical but low X-ray flux. Our daily monitoring of the source using the 1.3m tel…
Rapid Spectral Variability during the 2003 Outburst of V4641 Sgr (= SAX J1819.3-2525)
Dipankar Maitra, Charles D. Bailyn
The black hole candidate V4641 Sgr (= SAX J1819.3-2525) went through a brief outburst during 2003 Aug 01 to Aug 08. During the outburst, activity was noted in optical, radio as wel…
Multi-wavelength observations of the 2002 outburst of GX 339-4: two patterns of X-ray-optical/near-infrared behavior
Jeroen Homan, Michelle Buxton, Sera Markoff +3
(Abridged) We report on RXTE and optical/near-infrared (nIR) observations of the black hole transient GX 339-4, made over a time span of 8 months in 2002 and covering the initial r…