Search Results: galactic nuclei

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Prevalent non-negligible radiation pressure force exists on broad-line regions of active galactic nucleis

Yunnan observatories of Chinese Academy of Sciences scientists investigated the virial factor in estimating the virial masses of supermassive black holes in active galactic...

Researchers study active galactic nucleus during its outburst phase

Dr. Li Shasha and Dr. Feng Haicheng of the Chinese Academy of Sciences' Yunnan Observatories, along with their collaborators, discovered evidence for the kinematic...

Astronomers show a comprehensive X-ray view of an active galactic nucleus in NGC 4258

European astronomers have staged a complete and thorough X-ray view of an active galactic nucleus in a nearby spiral galaxy known as NGC 4258....

New method to study outflows from galactic centers in preparation for Athena

Some galaxies have an active black hole in their center driving powerful outflows of gas, unlike our Milky Way. We know very little about...

Most distant detection of a black hole swallowing a star

A massive black hole millions or billions of times heavier than the Sun, lurks at the heart of nearly every galaxy. Some are known...

Theoretical physicists argue that black holes admit vortex structures

Black holes are astronomical objects with extremely strong gravitational pulls that cannot be overcome by light. While the concept of light-trapping bodies has been...

Hubble space telescope captures galaxy NGC 1961

In this newly released Hubble Space Telescope image, the galaxy NGC 1961 unfolds its gorgeous spiral arms. Glittering, blue regions of young stars dot...

Mid-infrared flare observed in the galaxy NGC 3786

Astronomers from South Korea and China used NASA's Wide-field Infrared Survey Explorer (WISE) to detect a mid-infrared flare in NGC 3786, an active spiral...

Search Results: galactic nuclei

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