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- HD_74180 abstract "HD 74180 is a binary star in the constellation Vela. It is approximately 3,200 light years from Earth. The primary component is a yellow-white F-type supergiant with a mean apparent magnitude of +3.81, with a 10th magnitude companion 37.5 arcseconds distant.b Velorum has been classified as a suspected α Cygni variable star which varies by only 0.06 magnitude. There are possible periods near 53, 80, and 160 days, but the variation is largely irregular.Several studies have considered b Velorum to be a highly luminous supergiant or hypergiant with an early F spectral type, for example F2 Ia+, F0 Ia, and F4 I. There were corresponding luminosity estimates of several hundred thousand L☉. A 2015 study used the Barbier-Chalonge-Divan (BCD) system to derive a luminosity of 38,000 L☉ and a cooler less luminous F8 Ib spectral type.".
- HD_74180 thumbnail Vela_constellation_map.svg?width=300.
- HD_74180 wikiPageID "17625503".
- HD_74180 wikiPageLength "5575".
- HD_74180 wikiPageOutDegree "25".
- HD_74180 wikiPageRevisionID "708073040".
- HD_74180 wikiPageWikiLink Alpha_Cygni_variable.
- HD_74180 wikiPageWikiLink Apparent_magnitude.
- HD_74180 wikiPageWikiLink Ara_(constellation).
- HD_74180 wikiPageWikiLink Bayer_designation.
- HD_74180 wikiPageWikiLink Binary_star.
- HD_74180 wikiPageWikiLink Category:Alpha_Cygni_variables.
- HD_74180 wikiPageWikiLink Category:Bayer_objects.
- HD_74180 wikiPageWikiLink Category:Binary_stars.
- HD_74180 wikiPageWikiLink Category:Durchmusterung_objects.
- HD_74180 wikiPageWikiLink Category:F-type_supergiants.
- HD_74180 wikiPageWikiLink Category:Henry_Draper_Catalogue_objects.
- HD_74180 wikiPageWikiLink Category:Hipparcos_objects.
- HD_74180 wikiPageWikiLink Category:Vela_(constellation).
- HD_74180 wikiPageWikiLink Constellation.
- HD_74180 wikiPageWikiLink Earth.
- HD_74180 wikiPageWikiLink Henry_Draper_Catalogue.
- HD_74180 wikiPageWikiLink Hipparcos.
- HD_74180 wikiPageWikiLink Light-year.
- HD_74180 wikiPageWikiLink Minute_and_second_of_arc.
- HD_74180 wikiPageWikiLink Star_catalogue.
- HD_74180 wikiPageWikiLink Stellar_classification.
- HD_74180 wikiPageWikiLink Supergiant.
- HD_74180 wikiPageWikiLink Vela_(constellation).
- HD_74180 wikiPageWikiLinkText "HD 74180".
- HD_74180 wikiPageWikiLinkText "b Vel".
- HD_74180 absmagV "−6.50".
- HD_74180 appmagV "3.81".
- HD_74180 bV "+0.71".
- HD_74180 class "F8Ib".
- HD_74180 constell Ara_(constellation).
- HD_74180 distPc "990".
- HD_74180 epoch "J2000".
- HD_74180 gravity "1.38".
- HD_74180 luminosity "38000".
- HD_74180 mass "12.63".
- HD_74180 metalFe "0.56".
- HD_74180 pError "0.16".
- HD_74180 parallax "0.68".
- HD_74180 propMoDec "4.66".
- HD_74180 propMoRa "−6.055".
- HD_74180 radialV "−25.3".
- HD_74180 rotationalVelocity "21.7".
- HD_74180 temperature "5750".
- HD_74180 uB "+0.34".
- HD_74180 variable Alpha_Cygni_variable.
- HD_74180 wikiPageUsesTemplate Template:DEC.
- HD_74180 wikiPageUsesTemplate Template:Location_mark.
- HD_74180 wikiPageUsesTemplate Template:Multi-star-stub.
- HD_74180 wikiPageUsesTemplate Template:RA.
- HD_74180 wikiPageUsesTemplate Template:Reflist.
- HD_74180 wikiPageUsesTemplate Template:Solar_luminosity.
- HD_74180 wikiPageUsesTemplate Template:Starbox_astrometry.
- HD_74180 wikiPageUsesTemplate Template:Starbox_begin.
- HD_74180 wikiPageUsesTemplate Template:Starbox_catalog.
- HD_74180 wikiPageUsesTemplate Template:Starbox_character.
- HD_74180 wikiPageUsesTemplate Template:Starbox_detail.
- HD_74180 wikiPageUsesTemplate Template:Starbox_end.
- HD_74180 wikiPageUsesTemplate Template:Starbox_image.
- HD_74180 wikiPageUsesTemplate Template:Starbox_observe.
- HD_74180 wikiPageUsesTemplate Template:Starbox_reference.
- HD_74180 wikiPageUsesTemplate Template:Stars_of_Vela.
- HD_74180 subject Category:Alpha_Cygni_variables.
- HD_74180 subject Category:Bayer_objects.
- HD_74180 subject Category:Binary_stars.
- HD_74180 subject Category:Durchmusterung_objects.
- HD_74180 subject Category:F-type_supergiants.
- HD_74180 subject Category:Henry_Draper_Catalogue_objects.
- HD_74180 subject Category:Hipparcos_objects.
- HD_74180 subject Category:Vela_(constellation).
- HD_74180 hypernym Star.
- HD_74180 type CelestialBody.
- HD_74180 type Place.
- HD_74180 type Star.
- HD_74180 type Catalogue.
- HD_74180 type Variable.
- HD_74180 type Location.
- HD_74180 type Place.
- HD_74180 type Thing.
- HD_74180 comment "HD 74180 is a binary star in the constellation Vela. It is approximately 3,200 light years from Earth. The primary component is a yellow-white F-type supergiant with a mean apparent magnitude of +3.81, with a 10th magnitude companion 37.5 arcseconds distant.b Velorum has been classified as a suspected α Cygni variable star which varies by only 0.06 magnitude.".
- HD_74180 label "HD 74180".
- HD_74180 sameAs Q1747502.
- HD_74180 sameAs HD_74180.
- HD_74180 sameAs بی_بادبان_(ابرغول).
- HD_74180 sameAs HD_74180.
- HD_74180 sameAs HD_74180.
- HD_74180 sameAs m.0462w7h.
- HD_74180 sameAs Q1747502.
- HD_74180 sameAs 天社二.
- HD_74180 wasDerivedFrom HD_74180?oldid=708073040.
- HD_74180 depiction Vela_constellation_map.svg.
- HD_74180 isPrimaryTopicOf HD_74180.
- HD_74180 name "b Velorum".