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- HD_56925 abstract "In astronomy WR 7 or HD 56925/HIP 35 378 is a Wolf-Rayet star which is a central part of the nebula NGC 2359 (also known as the Thor's Helmet Nebula) in the constellation of Canis Major.The distance is uncertain, varying between 3.5 kiloparsecs (11,410 lightyears) and 6.9 kiloparsecs (22,500 light years). Assuming a distance of 4.8 kiloparsecs (15,600 light-years), this star is calculated to be 280.000 times brighter than our Sun, 16 times more massive, and 1.41 times larger with a surface temperature of 112,000 Kelvin.Stars of its kind are characterised by a rapid loss of stellar mass, driven by chemically enriched high-speed stellar winds. It is estimated that it loses mass at the rate of 7x10−5 solar masses each year through winds of 1,545 km/s.Studies of the interaction between WR 7 and the surrounding nebula assumes a distance of 5 kiloparsecs, and have discovered the existence of a HI region of 70x37 kiloparsecs that expands at 12 km/s, possibly created by the progenitor of the current star, a type-O main sequence star. It seems likely that there is a bow shock acting on the southern edge of the nebula, possibly reduced when the star was at the stage of red supergiant.".
- HD_56925 wikiPageID "16649298".
- HD_56925 wikiPageRevisionID "595637359".
- HD_56925 absmagV "-3.84".
- HD_56925 age "20000000".
- HD_56925 appmagV "11.4".
- HD_56925 bV "0.28".
- HD_56925 class "WN4-s".
- HD_56925 constell Canis_Major.
- HD_56925 distLy "3662".
- HD_56925 distPc "1124".
- HD_56925 epoch Epoch_(astronomy).
- HD_56925 hasPhotoCollection HD_56925.
- HD_56925 luminosity "280000".
- HD_56925 mass "16".
- HD_56925 pError "2.55".
- HD_56925 parallax "-0.66".
- HD_56925 propMoDec "3.52".
- HD_56925 propMoRa "-3.74".
- HD_56925 radius "1.41".
- HD_56925 temperature "112000".
- HD_56925 uB "-0.47".
- HD_56925 variable "None".
- HD_56925 subject Category:Canis_Major_(constellation).
- HD_56925 subject Category:Henry_Draper_Catalogue_objects.
- HD_56925 subject Category:Wolf–Rayet_stars.
- HD_56925 type CelestialBody.
- HD_56925 type Star.
- HD_56925 type PhysicalBody.
- HD_56925 comment "In astronomy WR 7 or HD 56925/HIP 35 378 is a Wolf-Rayet star which is a central part of the nebula NGC 2359 (also known as the Thor's Helmet Nebula) in the constellation of Canis Major.The distance is uncertain, varying between 3.5 kiloparsecs (11,410 lightyears) and 6.9 kiloparsecs (22,500 light years).".
- HD_56925 label "HD 56925".
- HD_56925 label "HD 56925".
- HD_56925 label "WR 7".
- HD_56925 sameAs WR_7.
- HD_56925 sameAs m.03yjm70.
- HD_56925 sameAs Q5174338.
- HD_56925 sameAs Q5174338.
- HD_56925 wasDerivedFrom HD_56925?oldid=595637359.
- HD_56925 isPrimaryTopicOf HD_56925.
- HD_56925 name "HD 56925".