31 citations · 67 across the 3 of their papers we have counts for
3 papers
astro-ph2002★ 25 cited
A Chandra Spectroscopic Survey of Persistent Black Hole Candidates
W. Cui, Y. X. Feng, S. N. Zhang +3
We present results from observations of persistent black hole candidates with the High Energy Transmission Gratings aboard the Chandra X-ray Observatory. The sources include LMC X-…
astro-ph2001★ 31 cited
Discovery of Two Types of X-ray Dips in Cyg X-1
Y. X. Feng, Wei Cui
We observed Cyg X-1 with {\em RXTE} contiguously over its 5.6-day binary orbit. The source was found to be in the hard state throughout the observation. Many intensity dips were de…
astro-ph2001★ 11 cited
Evolution of Iron K Line Emission in the Black Hole Candidate GX 339-4
Y. X. Feng, S. N. Zhang, X. Sun +3
GX 339-4 was regularly monitored with RXTE during a period (in 1999) when its X-ray flux decreased significantly (from 4.2 erg cm to 7.6$\times 10^{-…