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- FS_Canis_Majoris abstract "FS Canis Majoris (FS CMa), also known as HD 45677 or MWC 142, is a B-type star in the constellation of Canis Major. It has an apparent visual magnitude of approximately 8.50, having varied between magnitudes 7.35 and 8.58. Feinstein and colleagues reported in 1976 that it had decreased by 0.9 magnitude between 1969 and 1976, whereas it had only varied by 0.3 magnitude in the 70 years beforehand. Sometimes it could vary by up to 0.5 magnitude in a year or 0.1 magnitude in a night, and there did not appear to be any regular period to its variability.Astronomer Anatoly Miroshnichenko has made it the prototype of a new type of variable star, FS Canis Majoris stars. These are hot blue-white stars that exhibit forbidden line emission and strong infra-red excess suggestive of very young (pre-main-sequence) stars yet they do not lie in star-forming regions. Nor did they appear to be stars that had evolved off the main sequence into giant or supergiant stars. It is now thought that they are main sequence stars that have absorbed or are absorbing matter, most likely from a companion star, and are surrounded by a compact dusty shell. These stars are thought to be significant contributors to interstellar dust.Its spectral type has been previously classified as B2III to B2V and its bolometric magnitude as -4.89. However, investigation of its spectrum in 2006 showed that FS Canis Majoris is a binary system. The system is between 1250 and 8000 times as luminous as the Sun. One calculation has the masses of the primary and secondary at 9.3±0.5 and 4.8±0.9 solar masses and radii 6.6±0.5 and 2.9±0.6 times that of the Sun, and surface temperatures of 21,600±350 and 16,380±1670 K respectively.".
- FS_Canis_Majoris wikiPageID "42273360".
- FS_Canis_Majoris wikiPageLength "4926".
- FS_Canis_Majoris wikiPageOutDegree "28".
- FS_Canis_Majoris wikiPageRevisionID "648848009".
- FS_Canis_Majoris wikiPageWikiLink Absolute_magnitude.
- FS_Canis_Majoris wikiPageWikiLink Apparent_magnitude.
- FS_Canis_Majoris wikiPageWikiLink Apparent_visual_magnitude.
- FS_Canis_Majoris wikiPageWikiLink B-type_star.
- FS_Canis_Majoris wikiPageWikiLink Binary_system.
- FS_Canis_Majoris wikiPageWikiLink Bolometric_magnitude.
- FS_Canis_Majoris wikiPageWikiLink Canis_Major.
- FS_Canis_Majoris wikiPageWikiLink Category:B-type_stars.
- FS_Canis_Majoris wikiPageWikiLink Category:Canis_Major_(constellation).
- FS_Canis_Majoris wikiPageWikiLink Category:Henry_Draper_Catalogue_objects.
- FS_Canis_Majoris wikiPageWikiLink Category:Hipparcos_objects.
- FS_Canis_Majoris wikiPageWikiLink Category:Objects_named_with_variable_star_designations.
- FS_Canis_Majoris wikiPageWikiLink Constellation.
- FS_Canis_Majoris wikiPageWikiLink Durchmusterung.
- FS_Canis_Majoris wikiPageWikiLink Epoch_(astronomy).
- FS_Canis_Majoris wikiPageWikiLink Forbidden_line.
- FS_Canis_Majoris wikiPageWikiLink Forbidden_mechanism.
- FS_Canis_Majoris wikiPageWikiLink Henry_Draper_Catalogue.
- FS_Canis_Majoris wikiPageWikiLink Hipparcos.
- FS_Canis_Majoris wikiPageWikiLink Hipparcos_Catalogue.
- FS_Canis_Majoris wikiPageWikiLink Infra-red.
- FS_Canis_Majoris wikiPageWikiLink Infrared.
- FS_Canis_Majoris wikiPageWikiLink International_Celestial_Reference_System.
- FS_Canis_Majoris wikiPageWikiLink J2000.0.
- FS_Canis_Majoris wikiPageWikiLink PPM_Star_Catalogue.
- FS_Canis_Majoris wikiPageWikiLink Pre-main-sequence_star.
- FS_Canis_Majoris wikiPageWikiLink Smithsonian_Astrophysical_Observatory_Star_Catalog.
- FS_Canis_Majoris wikiPageWikiLink Star.
- FS_Canis_Majoris wikiPageWikiLink Star_formation.
- FS_Canis_Majoris wikiPageWikiLink Stellar_classification.
- FS_Canis_Majoris wikiPageWikiLink Variable_star.
- FS_Canis_Majoris wikiPageWikiLink Variable_star_designation.
- FS_Canis_Majoris wikiPageWikiLinkText "FS Canis Majoris".
- FS_Canis_Majoris appmagV "8.5".
- FS_Canis_Majoris class "Bpshe".
- FS_Canis_Majoris constell Canis_Major.
- FS_Canis_Majoris epoch Epoch_(astronomy).
- FS_Canis_Majoris epoch J2000.0.
- FS_Canis_Majoris equinox "J2000.0".
- FS_Canis_Majoris hasPhotoCollection FS_Canis_Majoris.
- FS_Canis_Majoris pError "0.94".
- FS_Canis_Majoris parallax "3.59".
- FS_Canis_Majoris propMoDec "3.42".
- FS_Canis_Majoris propMoRa "−8.77".
- FS_Canis_Majoris radialV "21.6".
- FS_Canis_Majoris wikiPageUsesTemplate Template:Reflist.
- FS_Canis_Majoris wikiPageUsesTemplate Template:Starbox_astrometry.
- FS_Canis_Majoris wikiPageUsesTemplate Template:Starbox_begin.
- FS_Canis_Majoris wikiPageUsesTemplate Template:Starbox_catalog.
- FS_Canis_Majoris wikiPageUsesTemplate Template:Starbox_character.
- FS_Canis_Majoris wikiPageUsesTemplate Template:Starbox_end.
- FS_Canis_Majoris wikiPageUsesTemplate Template:Starbox_observe.
- FS_Canis_Majoris wikiPageUsesTemplate Template:Starbox_reference.
- FS_Canis_Majoris wikiPageUsesTemplate Template:Stars_of_Canis_Major.
- FS_Canis_Majoris subject Category:B-type_stars.
- FS_Canis_Majoris subject Category:Canis_Major_(constellation).
- FS_Canis_Majoris subject Category:Henry_Draper_Catalogue_objects.
- FS_Canis_Majoris subject Category:Hipparcos_objects.
- FS_Canis_Majoris subject Category:Objects_named_with_variable_star_designations.
- FS_Canis_Majoris hypernym Star.
- FS_Canis_Majoris type CelestialBody.
- FS_Canis_Majoris type Place.
- FS_Canis_Majoris type Star.
- FS_Canis_Majoris type Location.
- FS_Canis_Majoris type Place.
- FS_Canis_Majoris type Thing.
- FS_Canis_Majoris comment "FS Canis Majoris (FS CMa), also known as HD 45677 or MWC 142, is a B-type star in the constellation of Canis Major. It has an apparent visual magnitude of approximately 8.50, having varied between magnitudes 7.35 and 8.58. Feinstein and colleagues reported in 1976 that it had decreased by 0.9 magnitude between 1969 and 1976, whereas it had only varied by 0.3 magnitude in the 70 years beforehand.".
- FS_Canis_Majoris label "FS Canis Majoris".
- FS_Canis_Majoris sameAs m.0100bl6l.
- FS_Canis_Majoris sameAs Q16837892.
- FS_Canis_Majoris sameAs Q16837892.
- FS_Canis_Majoris wasDerivedFrom FS_Canis_Majoris?oldid=648848009.
- FS_Canis_Majoris isPrimaryTopicOf FS_Canis_Majoris.
- FS_Canis_Majoris name "FS Canis Majoris".