About: B Persei

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b Persei (also known as HD 26961) is a spectroscopic triple star in the constellation Perseus. Its apparent magnitude is 4.60, and it is about 320 light years away. In addition to the primary, an A-type giant, there is a smaller and cooler companion in a 1.53 day orbit, probably an F-class star around absolute magnitude 3.0, and a more distant companion (star C or Ac) in an orbit calculated to be 702 days long. The close binary pair forms a rotating ellipsoidal variable with a 1.53 day period. Star C forms an Algol-type variable system with the close binary, showing both primary eclipses (when star C passes in front of the inner pair) and secondary eclipses (when the inner pair passes in front of star C). Timings of the eclipses show a 705.4-day period.

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  • b Persei (also known as HD 26961) is a spectroscopic triple star in the constellation Perseus. Its apparent magnitude is 4.60, and it is about 320 light years away. In addition to the primary, an A-type giant, there is a smaller and cooler companion in a 1.53 day orbit, probably an F-class star around absolute magnitude 3.0, and a more distant companion (star C or Ac) in an orbit calculated to be 702 days long. The close binary pair forms a rotating ellipsoidal variable with a 1.53 day period. Star C forms an Algol-type variable system with the close binary, showing both primary eclipses (when star C passes in front of the inner pair) and secondary eclipses (when the inner pair passes in front of star C). Timings of the eclipses show a 705.4-day period. (en)
  • HD 26961 (b Persei) é uma estrela na direção da Perseus. Possui uma ascensão reta de 04h 18m 14.58s e uma declinação de +50° 17′ 44.3″. Sua magnitude aparente é igual a 4.60. Considerando sua distância de 318 anos-luz em relação à Terra, sua magnitude absoluta é igual a −0.25. Pertence à classe espectral A2V. (pt)
  • 英仙座b,又名BD+49 1150,HD 26961、SAO 24531、HR 1324,是英仙座的一颗恒星,视星等为4.61,位于銀經153.02,銀緯-0.09,其B1900.0坐标为赤經4h 10m 43.2s,赤緯+50° -0.09′ 59″。 (zh)
  • HD26961 — хімічно пекулярна зоря спектрального класу A2, що має видиму зоряну величину в смузі V приблизно 4,6.Вона розташована на відстані близько 318,2 світлових років від Сонця. (uk)
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  • 7710 (xsd:nonNegativeInteger)
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  • 1110503171 (xsd:integer)
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  • 0.300000 (xsd:double)
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  • 4.520000 (xsd:double)
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  • 5.090000 (xsd:double)
dbp:bV
  • +0.04 (en)
dbp:class
  • A1III (en)
dbp:component
  • A or Aa (en)
  • B or Ab (en)
  • C or Ac (en)
dbp:constell
dbp:eccentricity
  • 0.235000 (xsd:double)
dbp:epoch
dbp:equino
dbp:inclination
  • 83.460000 (xsd:double)
dbp:luminosity
  • 2 (xsd:integer)
  • 10 (xsd:integer)
dbp:mass
  • 0.560000 (xsd:double)
  • 1.240000 (xsd:double)
  • 2.250000 (xsd:double)
dbp:name
  • C or Ac (en)
dbp:noHeading
  • y (en)
dbp:node
  • 115.290000 (xsd:double)
dbp:pError
  • 0.350000 (xsd:double)
dbp:parallax
  • 10.400000 (xsd:double)
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  • 263 (xsd:integer)
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  • 2440143.398400 (xsd:double)
dbp:periodUnitless
  • 6.0632064E7
dbp:primary
  • A or Aa (en)
dbp:radius
  • 0.250000 (xsd:double)
  • 3.200000 (xsd:double)
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  • 81 (xsd:integer)
dbp:temperature
  • 9000 (xsd:integer)
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rdfs:comment
  • b Persei (also known as HD 26961) is a spectroscopic triple star in the constellation Perseus. Its apparent magnitude is 4.60, and it is about 320 light years away. In addition to the primary, an A-type giant, there is a smaller and cooler companion in a 1.53 day orbit, probably an F-class star around absolute magnitude 3.0, and a more distant companion (star C or Ac) in an orbit calculated to be 702 days long. The close binary pair forms a rotating ellipsoidal variable with a 1.53 day period. Star C forms an Algol-type variable system with the close binary, showing both primary eclipses (when star C passes in front of the inner pair) and secondary eclipses (when the inner pair passes in front of star C). Timings of the eclipses show a 705.4-day period. (en)
  • HD 26961 (b Persei) é uma estrela na direção da Perseus. Possui uma ascensão reta de 04h 18m 14.58s e uma declinação de +50° 17′ 44.3″. Sua magnitude aparente é igual a 4.60. Considerando sua distância de 318 anos-luz em relação à Terra, sua magnitude absoluta é igual a −0.25. Pertence à classe espectral A2V. (pt)
  • 英仙座b,又名BD+49 1150,HD 26961、SAO 24531、HR 1324,是英仙座的一颗恒星,视星等为4.61,位于銀經153.02,銀緯-0.09,其B1900.0坐标为赤經4h 10m 43.2s,赤緯+50° -0.09′ 59″。 (zh)
  • HD26961 — хімічно пекулярна зоря спектрального класу A2, що має видиму зоряну величину в смузі V приблизно 4,6.Вона розташована на відстані близько 318,2 світлових років від Сонця. (uk)
rdfs:label
  • B Persei (en)
  • HD 26961 (pt)
  • 天船增十 (zh)
  • HD26961 (uk)
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  • b Persei (en)
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