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Detection of a low frequency quasi-periodic oscillation in the soft state of Cygnus X-1 with Insight-HXMT

publication date

07. 05. 2021

Black holes Stars Astronomy

Black hole Cygnus X-1

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Black holes

Gravitational wave event GW190521 might have been caused by random black hole encounter

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Synthetic Images of Magnetospheric Reconnection-Powered Radiation around Supermassive Black Holes

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The Birth of a Relativistic Jet Following the Disruption of a Star by a Cosmological Black Hole

Polarized x-rays constrain the disk-jet geometry in the black hole x-ray binary Cygnus X-1

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Black hole Cygnus X-1

Black hole Cygnus X-1

Image credit: NASA/CXC

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Astronomers have discovered a brown dwarf orbiting the red giant HD 18438

Astronomers led by Byeong-Cheol Lee have made a groundbreaking discovery, detecting a brown dwarf orbiting the red giant HD 18438. With a radius of 89 times that of the Sun, HD 18438 is now the largest known star to be orbited by an exoplanet or brown dwarf.

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Planetary Population Synthesis and the Emergence of Four Classes of Planetary System Architectures

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Doppler Constraints on Planetary Companions to Nearby Sun-like Stars: An Archival Radial Velocity Survey of Southern Targets for Proposed NASA Direct Imaging Missions

Newly discovered exoplanet HD 207496 b is too close to its star and is loosing atmosphere