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physical object > naked eye object > naked eye star > Achernar |
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Achernar (alpha Eridani, HR 472) | ||||
subject | fact |
Achernar | has declination -57 14 12 | ![]() |
has right ascension 1 37 42.9 | ![]() | |
has spectral type B3Vpe | ![]() | |
has spectral type B5 | ![]() | |
has V magnitude 0.46 | ![]() | |
is a part of Eridanus | ![]() | |
has distance 35 pc | ![]() | |
has synonym alpha Eridani | ![]() | |
has synonym HR 472 | ![]() | |
has B-V magnitude -0.16 | ![]() | |
is an instance of naked eye star | ![]() | |
is an instance of B star | ![]() | |
is an instance of subgiant | ![]() | |
subgiant | has luminosity class IV | ![]() |
B star | has color blue-white | ![]() |
has surface temperature 11000 to 28000 K | ![]() | |
has absorption line He I | ![]() | |
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 | ![]() |
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