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- HD_156668 abstract "HD 156668 is star in the northern constellation of Hercules constellation. With an apparent visual magnitude of 8.4 it is too faint to be viewed with the naked eye, but it can be seen with even a small telescope. The distance to this object has been determined directly using the parallax technique, yielding a value of about 80 light-years (25 parsecs).This star has the stellar classification of a K2 dwarf, with approximately 77% of the mass of the Sun and about 72% of the Sun's diameter. While they are on the main sequence, lower mass stars like this generate energy much more slowly than the Sun. As a result, this star is radiating only 23% of the Sun's bolometric luminosity. HD 156668 is emitting this energy from its outer atmosphere at an effective temperature of around 4850 K, giving it the cool orange glow of a K-type star. It is slightly more enriched in iron compared to the Sun and is rotating at a leisurely rate of once every 51.5 days. Although much older than the Sun, this star is only middle-aged at about 8.6 billion years.".
- HD_156668 wikiPageExternalLink star.php?st=HD%20156668.
- HD_156668 wikiPageExternalLink nph-sieve?&objstr=HD+156668.
- HD_156668 wikiPageExternalLink 100-ks.htm.
- HD_156668 wikiPageExternalLink hd156668.htm.
- HD_156668 wikiPageID "26134242".
- HD_156668 wikiPageRevisionID "591602472".
- HD_156668 absmagV "6.48".
- HD_156668 appmagV "+8.424".
- HD_156668 bV "1.015".
- HD_156668 class "K3 V".
- HD_156668 constell Hercules_(constellation).
- HD_156668 eccentricity "0".
- HD_156668 epoch Epoch_(astronomy).
- HD_156668 exoplanet HD_156668_b.
- HD_156668 hasPhotoCollection HD_156668.
- HD_156668 massEarth "≥3.1 ± 0.4".
- HD_156668 pError "0.86".
- HD_156668 parallax "40.86".
- HD_156668 period "1.26984".
- HD_156668 propMoDec "+217.36".
- HD_156668 propMoRa "-71.16".
- HD_156668 radialV "-9.427".
- HD_156668 rotation "4449600.0".
- HD_156668 semimajor "0.0211".
- HD_156668 uB "0.27".
- HD_156668 subject Category:Henry_Draper_Catalogue_objects.
- HD_156668 subject Category:Hercules_(constellation).
- HD_156668 subject Category:K-type_main-sequence_stars.
- HD_156668 subject Category:Planetary_systems.
- HD_156668 type CelestialBody.
- HD_156668 type Star.
- HD_156668 type PhysicalBody.
- HD_156668 comment "HD 156668 is star in the northern constellation of Hercules constellation. With an apparent visual magnitude of 8.4 it is too faint to be viewed with the naked eye, but it can be seen with even a small telescope. The distance to this object has been determined directly using the parallax technique, yielding a value of about 80 light-years (25 parsecs).This star has the stellar classification of a K2 dwarf, with approximately 77% of the mass of the Sun and about 72% of the Sun's diameter.".
- HD_156668 label "HD 156668".
- HD_156668 label "HD 156668".
- HD_156668 label "HD 156668".
- HD_156668 label "HD 156668".
- HD_156668 sameAs HD_156668.
- HD_156668 sameAs m.0b6d220.
- HD_156668 sameAs Q2617034.
- HD_156668 sameAs Q2617034.
- HD_156668 wasDerivedFrom HD_156668?oldid=591602472.
- HD_156668 isPrimaryTopicOf HD_156668.
- HD_156668 name "HD 156668".