10 Arietis is a binary star

Binary star

A binary star is a star system consisting of two stars orbiting around their common center of mass. The brighter star is called the primary and the other is its companion star, comes, or secondary...

 in the constellation of Aries

Aries (constellation)

Aries is one of the constellations of the zodiac, located between Pisces to the west and Taurus to the east. Its name is Latin for ram, and its symbol is , representing a ram's horns...

. It has an overall apparent visual magnitude of 5.63 and consists of two F-type stars in orbit

Orbit

In physics, an orbit is the gravitationally curved path of an object around a point in space, for example the orbit of a planet around the center of a star system, such as the Solar System...

 about each other. The orbital period is approximately 300 years.

Visual companion

A visual companion, CCDM J02037+2556C, has been observed 95.0 arcseconds away from the binary star. It is not known whether this companion is optical

Double star

In observational astronomy, a double star is a pair of stars that appear close to each other in the sky as seen from Earth when viewed through an optical telescope. This can happen either because the pair forms a binary star, i.e...

 or physical.

External links

• HR 605 in the Bright Star Catalogue
  Bright Star Catalogue
  The Bright Star Catalogue, also known as the Yale Catalogue of Bright Stars or Yale Bright Star Catalogue, is a star catalogue that lists all stars of stellar magnitude 6.5 or brighter, which is roughly every star visible to the naked eye from Earth. It is currently available online in its 5th...
  
  
• CCDM J02037+2556
• Image 10 Arietis