Astronomy   View all facts   Glossary   Help
physical object > natural object > celestial body > collection of stars > star system > binary star > spectroscopic binary > Theta2 Orionis
Next dwarfUV Ceti star    Updwarf, O star, spectroscopic binary    Previous dwarfSun   

Theta2 Orionis
(2U 0525-06)
subjectfact 
Theta2 Orionisis a part of Orion2001-09-27 09:31:44.0
has spectral type O9.5 Vphas source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:31:44.0
has synonym 2U 0525-06has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:31:44.0
has orbital period 21.03 dayshas source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:31:44.0
has definition A spectroscopic binary tentatively identified with 2U 0525-06.has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:31:44.0
is an instance of O star2001-09-27 09:31:44.0
is an instance of spectroscopic binary2001-09-27 09:31:44.0
is an instance of dwarf2001-09-27 09:31:44.0
dwarfhas symbol d2001-09-27 09:30:52.0
has luminosity class V2001-09-27 09:30:52.0
O starhas lifetime 3 to 6 million years2001-09-27 09:30:45.0
has color blue-white2001-09-27 09:30:45.0
has surface temperature 35000 K2001-09-27 09:30:45.0
has relative abundance rare2001-09-27 09:30:45.0
has rotation velocity very high2001-09-27 09:30:45.0
has absorption line He II2001-09-27 09:30:45.0
binary starhas number of stars 22001-09-27 09:30:54.0
starhas star surface temperature2001-09-27 09:30:25.0
has V magnitude2001-09-27 09:30:25.0
has B magnitude2001-09-27 09:30:25.0
has U magnitude2001-09-27 09:30:25.0
has position on celestial sphere from the point of view of Earth2001-09-27 09:30:25.0
has parallax from the point of view of Earth's orbit2001-09-27 09:30:25.0
has proper motion2001-09-27 09:30:24.0
has radiation at surface which is diffused out from the hotter core2001-09-27 09:30:24.0
has energy source gravitational contraction and or fusion2001-09-27 09:30:24.0
has energy production which takes place primarily within the core2001-09-27 09:30:24.0
has surface density which depends on luminosity class2001-09-27 09:30:24.0
has apparent magnitude2001-09-27 09:30:25.0
has absolute magnitude2001-09-27 09:30:25.0
has age2001-09-27 09:30:25.0
has catalog star catalog2001-09-27 09:30:25.0
has material hydrogen, helium2001-09-27 09:30:24.0
has velocity determined from proper motion and radial velocity2001-09-27 09:30:25.0
has mass greater than 0.08 the sun's mass2001-09-27 09:30:24.0
star systemhas abundance half the stars in the solar neighborhood are members of star systems2001-09-27 09:30:54.0
celestial bodyhas spectra2001-09-27 09:30:09.0
physical objecthas location or center of gravity2001-09-27 09:27:27.0
has angular momentum2001-09-27 09:27:27.0
has momentum2001-09-27 09:27:27.0
has temperature2001-09-27 09:27:27.0
has volume2001-09-27 09:27:27.0
has extent2001-09-27 09:27:27.0

Next dwarfUV Ceti star    Updwarf, O star, spectroscopic binary    Previous dwarfSun