Results 131 to 140 of about 238,966 (146)

Spectral variability of ultraluminous X-ray sources [PDF]

, 2008
J. J. E. Kajava, Juri Poutanen, Magnus Axelsson   +2 more
openalex   +1 more source

Active galactic nuclei. [PDF]

Proc Natl Acad Sci U S A, 1999
Fabian AC.
europepmc   +1 more source

Oxygen and Iron Abundances in Nearby Galaxies Using Ultraluminous X-ray Sources

, 2005
L. M. Winter, R. F. Mushotzky, C. S. Reynolds   +2 more
openalex   +2 more sources

Black Hole Mass of the Ultraluminous X-Ray Source M82 X-1

, 2006
G. C. Dewangan, Lev Titarchuk, R. E. Griffiths   +2 more
openalex   +1 more source

The ultraluminous X-ray source population of NGC 4485/4490 [PDF]

, 2009
Jeanette C. Gladstone, T. P. Roberts
openalex   +1 more source

THE X-RAY POINT-SOURCE POPULATION OF NGC 1365: THE PUZZLE OF TWO HIGHLY-VARIABLE ULTRALUMINOUS X-RAY SOURCES [PDF]

, 2009
Iskra Strateva, S. Komossa
openalex   +1 more source

Spectral Analyses of the Nearest Persistent Ultraluminous X-Ray Source M 33 X-8 [PDF]

, 2009
Shanshan Weng, Junxian Wang, Wei‐Min Gu, Ju‐Fu Lu   +3 more
openalex   +1 more source

Spectral Transitions of an Ultraluminous X-Ray Source, NGC 2403 Source 3 [PDF]

, 2009
Naoki Isobe, Kazuo Makishima, H. Takahashi, Tsunefumi Mizuno, Ryouhei Miyawaki, P. Gandhi, Madoka Kawaharada, Atsushi Senda, Tessei Yoshida, Aya Kubota, Hiroshi Kobori   +10 more
openalex   +1 more source

Suzaku Observation of Two Ultraluminous X-Ray Sources in NGC1313

, 2007
Tsunefumi Mizuno, Ryohei Miyawaki, K. Ebisawa, Aya Kubota, Masao Miyamoto, L. M. Winter, Yoshihiro Ueda, Naoki Isobe, Kazuo Makishima   +8 more
openalex   +1 more source

GAS ACCRETION BY STAR CLUSTERS AND THE FORMATION OF ULTRALUMINOUS X-RAY SOURCES FROM CUSPS OF COMPACT REMNANTS [PDF]

, 2009
Jill Naiman, E. Ramirez‐Ruiz, D. N. C. Lin   +2 more
openalex   +1 more source