Black hole spectrum, X-ray image

Black hole spectrum, X-ray image

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This image is part of the feature Chandra Sees The Universe In X-Rays


Caption: Black hole spectrum. Coloured Chandra telescope X- ray spectrum of the black hole binary system XTE J1118+480. The spectrum (narrow line, top left to bottom right) shows the X-ray energies emitted by the system. The highest energy emissions are nearest to the centre of the spectrum. This system is thought to be composed of a Sun-like star orbiting a black hole (a star that has collapsed under its own gravity). The spectrum was measured by Chandra's Low-energy X-ray Transmission Grating (LETG), which collects the system's X-rays and then changes their direction by different amounts according to their energies.

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Keywords: astronomy, astrophysics, binary system, black hole, chandra, collapse, collapsed, coloured, cosmology, dead, death, emission, emitting, energetic, energies, energy, evolution, evolutionary, grating, gravitational, gravity, image, imaging, l.e.t.g., letg, low-energy x-ray transmission, nasa, observatory, peculiar, radiating, radiation, release, science, spectral, spectrum, star, star death, stars, stellar, telescope, x-rays, xray, xte j1118+480

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