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- HD_149382 abstract "HD 149382 is a star in the constellation of Ophiuchus with an apparent visual magnitude of 8.943. This is too faint to be seen with the naked eye even under ideal conditions, although it can be viewed with a small telescope. Based upon parallax measurements, this star is located at a distance of about 240 light-years (74 parsecs) from the Earth.This is the brightest known B-type subdwarf star with a stellar classification of B5 VI. It is generating energy through the thermonuclear fusion of helium at its core. The effective temperature of the star's outer envelope is about 35,500 K, giving it the characteristic blue-white hue of a B-type star. HD 149382 has an optical companion located at an angular separation of 1 arcsecond.In 2009, a substellar companion, perhaps even a superjovian planet, was announced orbiting the star. This candidate object was estimated to have nearly half the mass of the Sun. In 2011, this discovery was thrown into doubt when an independent team of astronomers were unable to confirm the detection. Their observations rule out a companion with a mass greater than Jupiter orbiting with a period of less than 28 days.".
- HD_149382 thumbnail Brown_dwarf_HD_149382_b.png?width=300.
- HD_149382 wikiPageExternalLink planet.php?p1=HD%20149382&p2=b.
- HD_149382 wikiPageExternalLink sim-id?Ident=HD%20149382b.
- HD_149382 wikiPageID "25121056".
- HD_149382 wikiPageRevisionID "602277922".
- HD_149382 appmagV "8.943".
- HD_149382 bV "–0.282".
- HD_149382 class "B5 VI".
- HD_149382 constell Ophiuchus.
- HD_149382 eccentricity "0".
- HD_149382 epoch "J2000".
- HD_149382 exoplanet HD_149382.
- HD_149382 hasPhotoCollection HD_149382.
- HD_149382 inclination "39".
- HD_149382 mass "0.29".
- HD_149382 mass ">8-23".
- HD_149382 metalFe "−1.30".
- HD_149382 pError "1.15".
- HD_149382 parallax "13.53".
- HD_149382 period "2.391".
- HD_149382 propMoDec "–3.92".
- HD_149382 propMoRa "–5.95".
- HD_149382 rI "–0.135".
- HD_149382 radialV "+3".
- HD_149382 semimajor "0.02343".
- HD_149382 uB "–1.143".
- HD_149382 vR "–0.127".
- HD_149382 year "2009".
- HD_149382 subject Category:B-type_subdwarfs.
- HD_149382 subject Category:Henry_Draper_Catalogue_objects.
- HD_149382 subject Category:Ophiuchus_(constellation).
- HD_149382 subject Category:Planetary_systems.
- HD_149382 type CelestialBody.
- HD_149382 type Star.
- HD_149382 type PhysicalBody.
- HD_149382 comment "HD 149382 is a star in the constellation of Ophiuchus with an apparent visual magnitude of 8.943. This is too faint to be seen with the naked eye even under ideal conditions, although it can be viewed with a small telescope. Based upon parallax measurements, this star is located at a distance of about 240 light-years (74 parsecs) from the Earth.This is the brightest known B-type subdwarf star with a stellar classification of B5 VI.".
- HD_149382 label "HD 149382".
- HD_149382 label "HD 149382".
- HD_149382 label "HD 149382".
- HD_149382 sameAs m.09gn703.
- HD_149382 sameAs Q2680637.
- HD_149382 sameAs Q2680637.
- HD_149382 wasDerivedFrom HD_149382?oldid=602277922.
- HD_149382 depiction Brown_dwarf_HD_149382_b.png.
- HD_149382 isPrimaryTopicOf HD_149382.
- HD_149382 name "HD 149382".