An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian
فرهنگ ریشهشناختی اخترشناسی-اخترفیزیک
low-mass X-ray binary (LMXB) dorin-e partow-e iks-e kam-jerm Fr.: binaire X de faible masse A member of one of the two main classes of
→ X-ray binary systems where one of the components is a
→ neutron star or → black hole
and the other component a → low-mass star with a spectral type A
or later. LMXBs mainly emit → soft X-rays.
The ratio of their optical to X-ray luminosities is less than 0.1. They belong
to → old stellar populations
with ages 5-15 × 109 years and are found in
→ globular clusters
and in the → bulge
of our → Milky Way
galaxy; some are also found in the disk. See also: → high-mass X-ray binary. |
© 2005-2024 M. Heydari-Malayeri,
