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68 Draconis is the Flamsteed designation for a star in the northern circumpolar constellation of Draco. It has an apparent visual magnitude of 5.69, so, according to the Bortle scale, it is faintly visible to the naked eye from suburban skies at night. Measurements made with the Gaia spacecraft show an annual parallax shift of 0.0209232″, which is equivalent to a distance of around 156 ly (48 pc) from the Sun. It is moving closer to the Earth with a heliocentric radial velocity of –14.6 km/s. The star has a relatively high proper motion, traversing the celestial sphere at a rate of 0.150″ per year.

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rdf:type
rdfs:label
  • 68 Draconis (en)
  • 68 Draconis (sv)
  • 天钩增二 (zh)
rdfs:comment
  • 68 Draconis, som är stjärnans Flamsteed-beteckning, är en ensam stjärna i den sydvästra delen av stjärnbilden Draken. Den har en skenbar magnitud på ca 5,69 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 21,1 mas, beräknas den befinna sig på ett avstånd på ca 159 ljusår (ca 48 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet på ca -15 km/s. Stjärnan har en relativt stor egenrörelse och förflyttar sig över himlavalvet med en hastighet av 0,150 bågsekunder per år. (sv)
  • 天龍座68(天钩增二),又名BD+61 1983,HD 192455、SAO 18751、HR 7727,是天龍座的一颗恒星,视星等为5.75,位于銀經95.83,銀緯15.08,其B1900.0坐标为赤經20h 9m 56.6s,赤緯+61° 15.08′ 33″。 (zh)
  • 68 Draconis is the Flamsteed designation for a star in the northern circumpolar constellation of Draco. It has an apparent visual magnitude of 5.69, so, according to the Bortle scale, it is faintly visible to the naked eye from suburban skies at night. Measurements made with the Gaia spacecraft show an annual parallax shift of 0.0209232″, which is equivalent to a distance of around 156 ly (48 pc) from the Sun. It is moving closer to the Earth with a heliocentric radial velocity of –14.6 km/s. The star has a relatively high proper motion, traversing the celestial sphere at a rate of 0.150″ per year. (en)
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absmag v
age gyr
appmag v
b-v
class
  • F5 V (en)
constell
epoch
  • J2000 (en)
gravity
luminosity
mass
metal fe
p error
parallax
prop mo dec
  • +72.842 (en)
prop mo ra
  • +142.267 (en)
radial v
  • –14.6 (en)
rotational velocity
temperature
has abstract
  • 68 Draconis is the Flamsteed designation for a star in the northern circumpolar constellation of Draco. It has an apparent visual magnitude of 5.69, so, according to the Bortle scale, it is faintly visible to the naked eye from suburban skies at night. Measurements made with the Gaia spacecraft show an annual parallax shift of 0.0209232″, which is equivalent to a distance of around 156 ly (48 pc) from the Sun. It is moving closer to the Earth with a heliocentric radial velocity of –14.6 km/s. The star has a relatively high proper motion, traversing the celestial sphere at a rate of 0.150″ per year. The stellar classification of 68 Draconis is F5 V, indicating that it is a main sequence star that is fusing hydrogen into helium at its core to generate energy. The star appears to be over-luminous for a member of its class, being 0.73 magnitudes brighter than expected. This may indicate that this is a binary system with an unresolved secondary component. It has 15% more mass than the Sun but is less than half as old, with an estimated age of 1.7 billion years. The star is radiating 11 times the Sun's luminosity from its photosphere at an effective temperature of 6,137 K, giving it the yellow-white hue of an F-type star. (en)
  • 68 Draconis, som är stjärnans Flamsteed-beteckning, är en ensam stjärna i den sydvästra delen av stjärnbilden Draken. Den har en skenbar magnitud på ca 5,69 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 21,1 mas, beräknas den befinna sig på ett avstånd på ca 159 ljusår (ca 48 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet på ca -15 km/s. Stjärnan har en relativt stor egenrörelse och förflyttar sig över himlavalvet med en hastighet av 0,150 bågsekunder per år. (sv)
  • 天龍座68(天钩增二),又名BD+61 1983,HD 192455、SAO 18751、HR 7727,是天龍座的一颗恒星,视星等为5.75,位于銀經95.83,銀緯15.08,其B1900.0坐标为赤經20h 9m 56.6s,赤緯+61° 15.08′ 33″。 (zh)
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