Astrophysical X-ray source | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-12-28

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Astrophysical_X-ray_source


00:01:37 1 Galaxy clusters
00:02:54 2 Quasars
00:04:47 3 Seyfert galaxies
00:05:14 4 X-ray bright galaxies
00:06:11 5 Ultraluminous X-ray sources
00:07:34 6 Black holes
00:09:15 7 Supernova remnants (SNR)
00:10:11 8 X-ray emission from stars
00:10:22 8.1 Vela X-1
00:11:02 8.2 Hercules X-1
00:11:47 8.3 Scorpius X-1
00:12:52 8.4 Sun
00:14:58 8.5 White dwarfs
00:16:50 8.6 Brown dwarfs
00:20:17 8.6.1 LP 944-20
00:20:56 8.6.2 TWA 5B
00:22:16 9 X-ray reflection
00:23:21 10 X-ray fluorescence
00:24:27 10.1 Comet detection
00:25:49 11 Celestial X-ray sources
00:26:55 11.1 Andromeda
00:27:40 11.2 Boötes
00:28:00 11.3 Camelopardalis
00:28:35 11.4 Canes Venatici
00:29:15 11.5 Canis Major
00:29:36 11.6 Cassiopeia
00:29:57 11.7 Carina
00:31:30 11.8 Cetus
00:32:12 11.9 Chamaeleon
00:32:34 11.9.1 Chamaeleon I dark cloud
00:33:07 11.9.2 Chamaeleon II dark cloud
00:33:49 11.9.3 Chamaeleon III dark cloud
00:34:27 11.10 Corona Borealis
00:34:57 11.11 Corvus
00:35:19 11.12 Crater
00:35:52 11.13 Draco
00:36:14 11.14 Eridanus
00:36:49 11.15 Hydra
00:37:20 11.16 Leo Minor
00:37:35 11.17 Orion
00:37:58 11.18 Pegasus
00:38:41 11.19 Perseus
00:39:32 11.20 Pictor
00:39:53 11.21 Puppis
00:40:31 11.22 Sagittarius
00:40:52 11.23 Sculptor
00:41:38 11.24 Serpens
00:42:14 11.25 Ursa Major
00:44:38 12 Exotic X-ray sources
00:45:33 12.1 Microquasar
00:45:43 12.2 Be X-ray binaries
00:47:10 12.3 Supergiant fast X-ray transients (SFXTs)
00:48:56 12.4 Messier 87
00:50:02 12.5 Magnetars
00:51:13 13 X-ray dark stars
00:56:22 14 X-ray interstellar medium
00:59:12 15 Diffuse X-ray background
01:00:10 16 X-ray dark planets
01:01:44 16.1 Earth
01:02:14 17 See also
01:02:48 18 References



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SUMMARY
=======
Astrophysical X-ray sources are astronomical objects with physical properties which result in the emission of X-rays.
There are a number of types of astrophysical objects which emit X-rays, from galaxy clusters, through black holes in active galactic nuclei (AGN) to galactic objects such as supernova remnants, stars, and binary stars containing a white dwarf (cataclysmic variable stars and super soft X-ray sources), neutron star or black hole (X-ray binaries). Some solar system bodies emit X-rays, the most notable being the Moon, although most of the X-ray brightness of the Moon arises from reflected solar X-rays. A combination of many unresolved X-ray sources is thought to produce the observed X-ray background. The X-ray continuum can arise from bremsstrahlung, either magnetic or ordinary Coulomb, black-body radiation, synchrotron radiation, inverse Compton scattering of lower-energy photons by relativistic electrons, knock-on collisions of fast protons with atomic electrons, and atomic recombination, with or without additional electron transitions.Furthermore, celestial entities in space are discussed as celestial X-ray sources. The origin of all observed astronomical X-ray sources is in, near to, or associated with a coronal cloud or gas at coronal cloud temperatures for however long or brief a period.