25 citations · 25 across the 1 of their papers we have counts for
1 paper
Naoko Tsunoda, Aya Kubota, Masaaki Namiki +3
We report on the results of detailed spectral studies of the ultra-luminous X-ray source (ULX), M81 X-9 (Holmberg IX X-1), made with XMM-Newton on 2001 April 22 and with ASCA on 19…