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physical object > natural object > celestial body > collection of stars > star system > binary star > Barnard's star |
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Barnard's star | ||||
subject | fact |
Barnard's star | is a part of Ophiuchus | ![]() |
has spectral type M5 V | ![]() | |
has proper motion 10.25 arcseconds per year | ![]() | |
has distance 1.83 pc | ![]() | |
has radial velocity 100 km/sec | ![]() | |
has discovery date 1916 | ![]() | |
has discoverer Edward Emerson Barnard | ![]() | |
has orbital period 25 years | ![]() | |
has definition A faint binary star with the second largest proper motion known. Long-term observations of its light curve suggest a possible third component with a mass about 1.2 that of Jupiter, although this observation has been challenged. | ![]() | |
is an instance of M star | ![]() | |
is an instance of red dwarf | ![]() | |
is an instance of binary star | ![]() | |
binary star | has number of stars 2 | ![]() |
red dwarf | has abundance 70 percent of all stars | ![]() |
star | has star surface temperature | ![]() |
has V magnitude | ![]() | |
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 surface temperature greater than 1000 Kelvin | ![]() | |
has apparent magnitude | ![]() | |
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 | ![]() | |
dwarf | has symbol d | ![]() |
has luminosity class V | ![]() | |
has synonym main sequence star | ![]() | |
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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