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    X-ray binaries tagged posts

    Scientists Map Gusty Winds in a far-off Neutron Star System

    April 12, 2023, Categories  Astronomy/Space

    In black space, the accretion disk is represented as a flat swirling disk with blue, pink red colors, and in the middle of it is tiny, glowing white sphere, the neutron star. Behind the accretion disk is a large teal sphere, the sun-like star. A teal noodle flows from the star to the accretion disk, representing the material drawn away from the star.
    Caption: MIT astronomers mapped the “disk winds” associated with the accretion disk around Hercules X-1, a system in which a neutron star is drawing material away from a sun-like star, represented as the teal sphere. The findings may offer clues to how supermassive black holes shape entire galaxies.
    Credits:Credit: Jose-Luis Olivares, MIT. Based on an image of Hercules X-1 by D. Klochkov, European Space Agency

    The 2D map of this ‘disk wind’ may reveal clues to galaxy formation.

    Astronomers have mapped the ‘disk winds’ associated with the accretion disk around Hercules X-1, a system in which a neutron star is drawing material away from a sun-like star. The findings may offer clues to how supermassive black holes shape entire galaxies.

    An accretion disk is a colossal whirlpool o...

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    Andromeda Galaxy Scanned with High-energy X-ray Vision

    January 6, 2016, Categories  Astronomy/Space

    NASA's Nuclear Spectroscope Telescope Array, or NuSTAR, has imaged a swath of the Andromeda galaxy -- the nearest large galaxy to our own Milky Way galaxy. Credit: NASA/JPL-Caltech/GSFC

    NASA’s Nuclear Spectroscope Telescope Array, or NuSTAR, has imaged a swath of the Andromeda galaxy — the nearest large galaxy to our own Milky Way galaxy. Credit: NASA/JPL-Caltech/GSFC

    NASA’s Nuclear Spectroscopic Telescope Array, or NuSTAR, has captured the best high-energy X-ray view yet of a portion of our nearest large, neighboring galaxy, Andromeda. The space mission has observed 40 “X-ray binaries” – intense sources of X-rays composed of a black hole or neutron star that feeds off a stellar companion.

    The results will ultimately help researchers better understand the role of X-ray binaries in the evolution of our universe. According to astronomers, these energetic objects may play a critical role in heating the intergalactic bath of gas in which the very first galaxies formed...

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