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- Tau_Canis_Majoris abstract "Tau Canis Majoris (τ CMa, τ Canis Majoris) is an eclipsing spectroscopic binary in the constellation Canis Major and the brightest star of an open cluster designated NGC 2362. Approximately 3200 light years from Earth, the star is actually a multiple star system with some massive components.This star is sometimes known as the 'Mexican Jumping Star' by amateur astronomers, because it can appear to 'jump around' with respect to the other stars in the cluster because of its marked contrast in brightness.τ Canis Majoris is classified as an O-type blue supergiant with a mean apparent magnitude of +4.37. It is a Beta Lyrae type variable star with a period of 1.28 days, over which time its brightness varies from magnitude +4.32 to +4.37. It might be that one or more components are intrinsically variable. The main star can be split into components of apparent magnitude 4.9 and 5.3 0.15 arcseconds apart, with a magnitude 10 component 8 arcseconds distant. The brighter of these is composed of three stars- two egg-shaped stars that are 0.1 astronomical unit (AU) apart and orbit each other every 1.28 days and a third that orbits this pair every 155 days at a distance similar to that of Jupiter from our Sun. The 5.3 magnitude star lies 223 AU distant from the group and takes more than a year to orbit the others, and the 10th magnitude star is 13,000 AU distant. Combined, the four close stars have a combined mass 80 times that of the Sun and shine with 500,000 times its luminosity, but little is known of their individual properties.".
- Tau_Canis_Majoris thumbnail NGC_2362_NASA.jpg?width=300.
- Tau_Canis_Majoris wikiPageID "2922273".
- Tau_Canis_Majoris wikiPageRevisionID "602292499".
- Tau_Canis_Majoris appmagV "4.37".
- Tau_Canis_Majoris class "O9Ib".
- Tau_Canis_Majoris constell Canis_Major.
- Tau_Canis_Majoris distLy "3200".
- Tau_Canis_Majoris distPc "980".
- Tau_Canis_Majoris epoch "J2000".
- Tau_Canis_Majoris gravity "3.5".
- Tau_Canis_Majoris hasPhotoCollection Tau_Canis_Majoris.
- Tau_Canis_Majoris radius "19.8".
- Tau_Canis_Majoris temperature "33145".
- Tau_Canis_Majoris subject Category:Bayer_objects.
- Tau_Canis_Majoris subject Category:Beta_Lyrae_variables.
- Tau_Canis_Majoris subject Category:Canis_Major_(constellation).
- Tau_Canis_Majoris subject Category:O-type_supergiants.
- Tau_Canis_Majoris subject Category:Spectroscopic_binaries.
- Tau_Canis_Majoris type BayerObjects.
- Tau_Canis_Majoris type BetaLyraeVariables.
- Tau_Canis_Majoris type BinaryStar109221070.
- Tau_Canis_Majoris type CelestialBody109239740.
- Tau_Canis_Majoris type NaturalObject100019128.
- Tau_Canis_Majoris type O-typeSupergiants.
- Tau_Canis_Majoris type Object100002684.
- Tau_Canis_Majoris type PhysicalEntity100001930.
- Tau_Canis_Majoris type SpectroscopicBinaries.
- Tau_Canis_Majoris type Star109444100.
- Tau_Canis_Majoris type Supergiant109450708.
- Tau_Canis_Majoris type Thing100002452.
- Tau_Canis_Majoris type Variable109468959.
- Tau_Canis_Majoris type Whole100003553.
- Tau_Canis_Majoris type CelestialBody.
- Tau_Canis_Majoris type Star.
- Tau_Canis_Majoris type PhysicalBody.
- Tau_Canis_Majoris comment "Tau Canis Majoris (τ CMa, τ Canis Majoris) is an eclipsing spectroscopic binary in the constellation Canis Major and the brightest star of an open cluster designated NGC 2362.".
- Tau_Canis_Majoris label "Tau Canis Majoris".
- Tau_Canis_Majoris label "Tau Canis Majoris".
- Tau_Canis_Majoris label "Tau Canis Majoris".
- Tau_Canis_Majoris label "Tau Canis Majoris".
- Tau_Canis_Majoris label "Tau Canis Majoris".
- Tau_Canis_Majoris label "Тау Большого Пса".
- Tau_Canis_Majoris sameAs Tau_Canis_Majoris.
- Tau_Canis_Majoris sameAs Tau_Canis_Majoris.
- Tau_Canis_Majoris sameAs Tau_Canis_Majoris.
- Tau_Canis_Majoris sameAs Tau_Canis_Majoris.
- Tau_Canis_Majoris sameAs m.08cv9x.
- Tau_Canis_Majoris sameAs Q2717822.
- Tau_Canis_Majoris sameAs Q2717822.
- Tau_Canis_Majoris sameAs Tau_Canis_Majoris.
- Tau_Canis_Majoris wasDerivedFrom Tau_Canis_Majoris?oldid=602292499.
- Tau_Canis_Majoris depiction NGC_2362_NASA.jpg.
- Tau_Canis_Majoris isPrimaryTopicOf Tau_Canis_Majoris.
- Tau_Canis_Majoris name "Tau Canis Majoris".
