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HD 72108 (A Vel, A Velorum) is a star system in the constellation Vela. It is approximately 1640 light years from Earth. The primary component, HD 72108 A, is a blue-white B-type subgiant with an apparent magnitude of +5.33. It is a spectroscopic binary, whose components are separated by 0.176 arcseconds. At a distance of 4 arcseconds away is the third component, the magnitude +7.7 HD 72108 B. The fourth component, HD 72108 C has an apparent magnitude of +9.3, and is 19 arcseconds from the primary.

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  • HD 72108 (en)
  • HD 72108 (it)
  • 33 Velorum (pt)
  • HD 72108 (sv)
  • HD 72108 (zh)
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  • HD 72108 (A Vel, A Velorum) is a star system in the constellation Vela. It is approximately 1640 light years from Earth. The primary component, HD 72108 A, is a blue-white B-type subgiant with an apparent magnitude of +5.33. It is a spectroscopic binary, whose components are separated by 0.176 arcseconds. At a distance of 4 arcseconds away is the third component, the magnitude +7.7 HD 72108 B. The fourth component, HD 72108 C has an apparent magnitude of +9.3, and is 19 arcseconds from the primary. (en)
  • HD 72108 (nota anche come A Velorum) è una stella bianco-azzurra nella sequenza principale di magnitudine 5,33 situata nella costellazione delle Vele. Dista 1639 anni luce dal sistema solare. (it)
  • 33 Velorum (A Velorum) é uma estrela na direção da Vela. Possui uma ascensão reta de 08h 29m 04.76s e uma declinação de −47° 55′ 44.2″. Sua magnitude aparente é igual a 5.33. Considerando sua distância de 1638 anos-luz em relação à Terra, sua magnitude absoluta é igual a −3.18. Pertence à classe espectral B2IV. (pt)
  • HD 72108 är en multipelstjärna belägen i den mellersta delen av stjärnbilden Seglet och som också har Bayer-beteckningen A Velorum. Den har en kombinerad skenbar magnitud av ca 5,33 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 1,5 mas, beräknas den befinna sig på ett avstånd på ca 2 100 ljusår (ca 700 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 29 km/s. (sv)
  • HD 72108,又名CD-47 4004,SAO 219985、HR 3358,是一颗恒星,视星等为5.33,位于銀經265.14,銀緯-5.28,其B1900.0坐标为赤經8h 25m 55.2s,赤緯-47° -5.28′ 42″。 (zh)
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  • HD72108 (en)
name
  • HD 72018 Ab (en)
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absmag v
  • –1.06 (en)
appmag v
  • +5.33 (en)
axis
class
  • B2IV + B2IV (en)
component
  • HD 72018 Aa (en)
  • HD 72018 Ab (en)
constell
eccentricity
epoch
  • J2000.0 (en)
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