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Ultraluminous X-ray Sources in Nearby Galaxies

Ultraluminous X-ray Sources in Nearby Galaxies

Ultraluminous X-ray Sources in Nearby Galaxies. Q. Daniel Wang (Univ. of Massachusetts, Amherst) In collaboration with Yangsen Yao, David Smith, Yu Gao, etc. M51: X-ray sources & H  image ( Terashima & Wilson 2003): Large, medium, and small circles: L(0.5-8 keV) > 10 39 ,

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673 views • 45 slides
Ultraluminous X-ray Sources

Ultraluminous X-ray Sources

Ultraluminous X-ray Sources. Zhaoyu Zuo 2001,Apj, 552,L109 astro-ph:0402677. Introduction. Ultraluminous X-ray sources (ULXs) are point-like, extra-nuclear X-ray sources found in nearby galaxies, with isotropic X-ray luminosities in excess of 10^39 ergs -1 .

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319 views • 15 slides
Low metallicity and ultra-luminous X-ray sources in the Cartwheel galaxy

Low metallicity and ultra-luminous X-ray sources in the Cartwheel galaxy

Low metallicity and ultra-luminous X-ray sources in the Cartwheel galaxy. M. Mapelli, M. Colpi, L. Zampieri. Abstract. Low-metallicity massive stars: maybe directly collapsing into massive BHs In Cartwheel galaxy, >10 5 massive BHs generated via this mechanism probably.

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301 views • 14 slides
Evidence for Intermediate Mass Black Holes from Ultra-luminous X-Ray Sources

Evidence for Intermediate Mass Black Holes from Ultra-luminous X-Ray Sources

Evidence for Intermediate Mass Black Holes from Ultra-luminous X-Ray Sources. Paola Rodriguez Hidalgo High Energy Astrophysics. Black Hole Masses. Stellar Black Holes (< 20 M o ) Super Massive Black Holes (>10 6 M o ) Something in between?. Intermediate Mass Black Holes.

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585 views • 14 slides

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