Astronomy View all facts Glossary Help |
physical object > naked eye object > naked eye star > Alpha Trianguli Australis |
Alpha Trianguli Australis (HR 6217) | ||||
subject | fact |
Alpha Trianguli Australis | has declination -69 01 40 | |
has right ascension 16 48 39.9 | ||
has spectral type K2IIb-IIIa | ||
has V magnitude 1.92 | ||
is a part of Triangulum Australe | ||
has synonym HR 6217 | ||
has B-V magnitude 1.44 | ||
is an instance of K star | ||
is an instance of bright giant | ||
is an instance of naked eye star | ||
bright giant | has luminosity class II | |
K star | has color orange to red | |
has surface temperature 3600 to 5000 K | ||
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 | ||
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 proper motion | ||
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 | ||
celestial body | has spectra | |
physical object | has location or center of gravity | |
has angular momentum | ||
has momentum | ||
has temperature | ||
has volume | ||
has extent |
Next bright giant: Arcturus Up: bright giant, K star, naked eye star Previous bright giant: Alpha Sculptoris