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X-RAY STAR [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2003-03-26

English

Subject field(s)
  • Electromagnetic Radiation
  • Space Physics
CONT

Among the myriad stars of our Galaxy, a handful are observed regularly emitting pulses of X-rays.... The pulsing X-rays are detected with instruments on spacecraft orbiting above the Earth's atmosphere... The same material that produces the X-ray pulsations also cause the neutron stars to spin faster or slower so much can be learned about the details of the accretion process or the neutron star by monitoring its changes in pulse frequency, which measures the rotation rate.

Key term(s)
  • x ray pulsation

French

Domaine(s)
  • Rayonnements électromagnétiques
  • Physique spatiale

Spanish

Save record 1

Record 2 1985-05-28

English

Subject field(s)
  • Astronomy
  • Astrophysics and Cosmography
  • The Stars (Astronomy)
OBS

X-ray binary. The most common type of luminous galactic x-ray source, involving a close binary system in which gas flows(via the inner Lagrangian point) or blows(by a strong stellar wind) from a normal nondegenerate star on to a compact companion. For the most luminous sources,... this companion is probably a neutron star or black hole;...

French

Domaine(s)
  • Astronomie
  • Astrophysique et cosmographie
  • Étoiles (Astronomie)
OBS

Ultérieurement, l'étoile à neutrons n'est quasiment pas détectable. De pareils systèmes d'étoiles brillantes avec un compagnon compact sont appelés des "systèmes dormants".

Spanish

Save record 2

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