2 papers
astro-ph2002
The nature of ultra-luminous X-ray sources in NGC4565
H. Wu, S. J. Xue, X. Y. Xia +2
We report the optical identifications of two X-ray luminous point sources in the spiral galaxy NGC4565 based on archive data of Chandra and the Hubble Space Telescope. The central…
astro-ph1998
An X-ray Luminous, Dwarf Seyfert Companion of Mrk 273
X. -Y. Xia, Th. Boller, H. Wu +5
We report the discovery of the brightest X-ray source hosted by a faint (M_B=-16) dwarf galaxy in the immediate vicinity of the ultraluminous IRAS merging galaxy Mrk 273. The dwarf…