509 citations · 726 across the 4 of their papers we have counts for
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astro-ph2000★ 124 cited
Discovery of Spectral Transitions from Two Ultra-Luminous Compact X-Ray Sources in Ic342
Aya Kubota, Tsunefumi Mizuno, Kazuo Makishima +4
Two {\it ASCA} observations were made of two ultra-luminous compact X-ray sources (ULXs), Source 1 and Source 2, in the spiral galaxy IC 342. In the 1993 observation, Source 2 show…
astro-ph2000★ 509 cited
The Nature of Ultra-Luminous Compact X-Ray Sources in Nearby Spiral Galaxies
Kazuo Makishima, Aya Kubota, Tsunefumi Mizuno +12
Studies were made of ASCA spectra of seven ultra-luminous compact X-ray sources (ULXs) in nearby spiral galaxies; M33 X-8 (Takano et al. 1994), M81 X-6 (Fabbiano 1988b; Kohmura et…