Omicron Capricorni
Encyclopedia
Omicron Capricorni is a binary star
in the constellation
Capricornus
. It is approximately 137 light years from Earth
.
Both components are white A-type
main sequence dwarf
s The primary, ο Capricorni A, sometimes called ο¹ Capricorni, has an apparent magnitude
of +5.94, while the companion, ο Capricorni B or ο² Capricorni, has an apparent magnitude of +6.74. The two stars are currently separated by 21.9 arcseconds.
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
Constellation
In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....
Capricornus
Capricornus
Capricornus is one of the constellations of the zodiac; it is often called Capricorn, especially when referring to the corresponding astrological sign. Its name is Latin for "horned male goat" or "goat horn", and it is commonly represented in the form of a sea-goat: a mythical creature that is half...
. It is approximately 137 light years from Earth
Earth
Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets...
.
Both components are white A-type
Stellar classification
In astronomy, stellar classification is a classification of stars based on their spectral characteristics. The spectral class of a star is a designated class of a star describing the ionization of its chromosphere, what atomic excitations are most prominent in the light, giving an objective measure...
main sequence dwarf
Main sequence
The main sequence is a continuous and distinctive band of stars that appears on plots of stellar color versus brightness. These color-magnitude plots are known as Hertzsprung–Russell diagrams after their co-developers, Ejnar Hertzsprung and Henry Norris Russell...
s The primary, ο Capricorni A, sometimes called ο¹ Capricorni, has an apparent magnitude
Apparent magnitude
The apparent magnitude of a celestial body is a measure of its brightness as seen by an observer on Earth, adjusted to the value it would have in the absence of the atmosphere...
of +5.94, while the companion, ο Capricorni B or ο² Capricorni, has an apparent magnitude of +6.74. The two stars are currently separated by 21.9 arcseconds.