![]() |
physical object > naked eye object > naked eye star > alpha Centauri |
![]() ![]() | ||||
alpha Centauri (Rigil Kent, HR 5459) | ||||
subject | fact |
alpha Centauri | has declination -60 50 07 | ![]() |
has right ascension 14 39 36.2 | ![]() | |
has period 80 years | ![]() | |
has spectral type G2V | ![]() | |
has V magnitude -0.01 | ![]() | |
has proper motion 3'.68 per year | ![]() | |
has distance 4.35 light-years | ![]() | |
is a part of Centaurus | ![]() | |
has synonym Rigil Kent | ![]() | |
has synonym HR 5459 | ![]() | |
has B-V magnitude 0.71 | ![]() | |
has definition A binary star whose components have G2 V and K5 V spectral types. The nearest star system to the Sun and the third brightest star in the night sky. | ![]() | |
is an instance of binary star | ![]() | |
is an instance of G star | ![]() | |
is an instance of dwarf | ![]() | |
is an instance of naked eye star | ![]() | |
dwarf | has symbol d | ![]() |
has luminosity class V | ![]() | |
naked eye star | has been observed for many centuries | ![]() |
is usually part of asterism | ![]() | |
is a part of celestial sphere | ![]() | |
is a part of Milky Way | ![]() | |
has apparent magnitude brighter than 5 | ![]() | |
binary star | has number of stars 2 | ![]() |
has orbital period | ![]() | |
G star | has color yellowish | ![]() |
has surface temperature 5000 to 6000 K | ![]() | |
star | has star surface temperature | ![]() |
has B magnitude | ![]() | |
has U magnitude | ![]() | |
has position on celestial sphere from the point of view of Earth | ![]() | |
has parallax from the point of view of Earth's orbit | ![]() | |
has radiation at surface which is diffused out from the hotter core | ![]() | |
has energy source gravitational contraction and or fusion | ![]() | |
has energy production which takes place primarily within the core | ![]() | |
has surface density which depends on luminosity class | ![]() | |
has absolute magnitude | ![]() | |
has age | ![]() | |
has catalog star catalog | ![]() | |
has material hydrogen, helium | ![]() | |
has velocity determined from proper motion and radial velocity | ![]() | |
has mass greater than 0.08 the sun's mass | ![]() | |
star system | has abundance half the stars in the solar neighborhood are members of star systems | ![]() |
celestial body | has spectra | ![]() |
physical object | has location or center of gravity | ![]() |
has angular momentum | ![]() | |
has momentum | ![]() | |
has temperature | ![]() | |
has volume | ![]() | |
has extent | ![]() |
Next binary star: astrometric binary Up: binary star, dwarf, G star, naked eye star Previous binary star: 17 Leporis