285 citations · 381 across the 5 of their papers we have counts for
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astro-ph.HE2021★ 57 cited
Re-estimating the Spin Parameter of the Black Hole in Cygnus X-1
Xueshan Zhao, Lijun Gou, Yanting Dong +6
Cygnus X-1 is a well-studied persistent black hole X-ray binary. Recently, the three parameters needed to estimate the black hole spin of this system, namely the black hole mass $M…
astro-ph.HE2021★ 285 cited
Cygnus X-1 contains a 21-solar mass black hole -- implications for massive star winds
James C. A. Miller-Jones, Arash Bahramian, Jerome A. Orosz +23
The evolution of massive stars is influenced by the mass lost to stellar winds over their lifetimes. These winds limit the masses of the stellar remnants (such as black holes) that…