27 Canis Majoris, also called 27 CMa, is a star system in the constellation Canis Major. It is approximately 1580 light years from Earth and has a mean apparent magnitude of +4.42. The primary component, 27 Canis Majoris A, is a blue-white B-type giant with an apparent magnitude of +4.9. It is also a spectroscopic binary with an orbital period of 0.262 days. The second component, 27 Canis Majoris B, is separated from the primary by 0.1 arcseconds and has an orbital period of 31 years.

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  • -4.00 (-3.5/-3.0)
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  • 27 Canis Majoris, also called 27 CMa, is a star system in the constellation Canis Major. It is approximately 1580 light years from Earth and has a mean apparent magnitude of +4.42. The primary component, 27 Canis Majoris A, is a blue-white B-type giant with an apparent magnitude of +4.9. It is also a spectroscopic binary with an orbital period of 0.262 days. The second component, 27 Canis Majoris B, is separated from the primary by 0.1 arcseconds and has an orbital period of 31 years. Its apparent magnitude is +5.4 and it is classified as a Gamma Cassiopeiae type variable star. Due to its variable nature, the brightness of the system varies from magnitude +4.42 to +4.82.
  • 27 Canis Majoris (27 CMa / HD 56014 / HR 2745) es un sistema estelar en la constelación del Can Mayor de magnitud aparente media +4,66. Se encuentra a unos 1590 años luz de distancia del Sistema Solar. La componente primaria, 27 Canis Majoris A, es una gigante azul de magnitud aparente +4,9. Además es una binaria espectroscópica con un período orbital de 6,28 horas. La componente secundaria, 27 Canis Majoris B, está separada de la componente principal 0,1 segundos de arco y tiene un período orbital de 31 años. De magnitud +5,4, es una estrella variable eruptiva del tipo Gamma Cassiopeiae. Ello hace que el brillo del sistema fluctúe entre +4,42 y +4,82, recibiendo la denominación de variable EW Canis Majoris. Al igual que otras variables de esta clase, está catalogada como una estrella con envoltura. El tipo espectral conjunto de 27 Canis Majoris es B3IIIe y su luminosidad es 10.900 veces mayor que la luminosidad solar. La velocidad de rotación medida es de 290 km/s, constituyendo este valor un límite inferior. La edad del sistema se estima en 23 millones de años.
  • 27 Canis Majoris est une étoile de la constellation du Grand Chien.
  • 27 Canis Majoris è una stella della costellazione del Cane Maggiore. Stella binaria spettroscopica, è formata da una stella principale, una gigante blu di magnitudine apparente 4,5 (classe spettrale B) che ha come compagna una variabile Gamma Cassiopeiae, di magnitudine 5,4.
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  • +4.42 (+4.9/+5.4)
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dbpprop:dec
  • −26°21′09″
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  • 1580 ± 450
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  • 480 ± 140
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  • 27 Canis Majoris A/B
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  • 27 CMa, EW Canis Majoris (component B), HR 2745, HD 56014, BD −26° 4057, HIP 34981, SAO 173264, GC 9608, CCDM J07143-2621
dbpprop:ra
  • 07h14m15.2s
dbpprop:spectral
  • B3IIIe
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  • 27 Canis Majoris, also called 27 CMa, is a star system in the constellation Canis Major. It is approximately 1580 light years from Earth and has a mean apparent magnitude of +4.42. The primary component, 27 Canis Majoris A, is a blue-white B-type giant with an apparent magnitude of +4.9. It is also a spectroscopic binary with an orbital period of 0.262 days. The second component, 27 Canis Majoris B, is separated from the primary by 0.1 arcseconds and has an orbital period of 31 years.
  • 27 Canis Majoris (27 CMa / HD 56014 / HR 2745) es un sistema estelar en la constelación del Can Mayor de magnitud aparente media +4,66. Se encuentra a unos 1590 años luz de distancia del Sistema Solar. La componente primaria, 27 Canis Majoris A, es una gigante azul de magnitud aparente +4,9. Además es una binaria espectroscópica con un período orbital de 6,28 horas.
  • 27 Canis Majoris est une étoile de la constellation du Grand Chien.
  • 27 Canis Majoris è una stella della costellazione del Cane Maggiore. Stella binaria spettroscopica, è formata da una stella principale, una gigante blu di magnitudine apparente 4,5 (classe spettrale B) che ha come compagna una variabile Gamma Cassiopeiae, di magnitudine 5,4.
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  • 27 Canis Majoris
  • 27 Canis Majoris
  • Mario Merz
  • 27 Canis Majoris
  • 27 Canis Majoris
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