Compact binary stars

Alternative definitions (1), class: vernacular (0)
Term: Compact binary stars
Definition:

A binary star system which is composed of a collapsed object (degenerate dwarf, neutron star, or black hole) in orbit with a low-mass (≤ 0.5 M_sol) secondary star, wherein the collapsed star accretes matter from its companion. These two objects form a binary system of overall dimensions 10^6 km with an orbital period of only hours or less.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
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