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HD 47500, also known as HR 2446, is a binary star in the southern constellation Columba. The primary has an apparent magnitude of 5.91, making it faintly visible to the naked eye if viewed under ideal conditions. As for the companion, its visual magnitude is 7.51. The system is located relatively far at a distance of 1,120 light years based on parallax measurements, and is receding with a heliocentric radial velocity of 21 km/s.

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rdf:type
rdfs:label
  • HD 47500 (en)
  • HD 47500 (sv)
  • HD 47500 (zh)
rdfs:comment
  • HD 47500 är en dubbelstjärna i den mellesta delen av stjärnbilden Duvan. Den har en skenbar magnitud av ca 5,91 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 2,9 mas, beräknas den befinna sig på ett avstånd på ca 1 142 ljusår (ca 351 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 21 km/s. (sv)
  • HD 47500,又名CD-36 3031,SAO 197014、HR 2446,是一颗恒星,视星等为5.71,位于銀經245.69,銀緯-18.57,其B1900.0坐标为赤經6h 33m 45.8s,赤緯-36° -18.57′ 18″。 (zh)
  • HD 47500, also known as HR 2446, is a binary star in the southern constellation Columba. The primary has an apparent magnitude of 5.91, making it faintly visible to the naked eye if viewed under ideal conditions. As for the companion, its visual magnitude is 7.51. The system is located relatively far at a distance of 1,120 light years based on parallax measurements, and is receding with a heliocentric radial velocity of 21 km/s. (en)
foaf:name
  • HD47500 (en)
dct:subject
Wikipage page ID
Wikipage revision ID
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sameAs
dbp:wikiPageUsesTemplate
absmag v
  • −1.93 (en)
b-v
  • −0.12 (en)
class
  • B6 IV-V (en)
component
  • A (en)
  • B (en)
constell
epoch
  • J2000 (en)
gravity
mass
metal fe
  • −0.07 (en)
p error
parallax
prop mo dec
  • +11.625 (en)
prop mo ra
  • −9.053 (en)
radius
rotational velocity
Simbad
  • HD+47500A (en)
  • HD+47500B (en)
  • HR+2446 (en)
sn
  • A (en)
  • B (en)
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