News tagged with companion star

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How do stellar binaries form?

Most stars with the mass of the sun or larger have one or more companion stars, but when and how these multiple stars form is one of the controversial central problems of astronomy. Gravity contracts the natal gas and dust ...

dateDec 03, 2018 in Astronomy
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Neutron star jets shoot down theory

Astronomers have detected radio jets emitted by a neutron star with a strong magnetic field—something not predicted by current theory, according to a new study published in Nature today.

dateSep 26, 2018 in Astronomy
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Exotic binary stars

Cataclysmic variable stars (CVs) are white dwarf stars that are accreting from an orbiting, low mass binary companion star. The accretion is facilitated by the proximity of the stars; typical orbital periods range from about ...

dateApr 09, 2018 in Astronomy
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