19 Cephei
19 Cephei is a supergiant star in the northern circumpolar constellation of Cepheus. It has a spectral class of O9 and is a member of Cep OB2, an OB association of massive stars located about 615 parsecs (2,010 ly) from the Sun. The spectrum of 19 Cephei shows line profile variability on an hourly and daily timescale. This is thought to be due to the changes in the stellar wind. A scattered cluster of faint stars has been detected associated with 19 Cephei. The brightest likely members apart from 19 Cep itself are 10th magnitude stars.
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19 Cephei
19 Cephei is a supergiant star in the northern circumpolar constellation of Cepheus. It has a spectral class of O9 and is a member of Cep OB2, an OB association of massive stars located about 615 parsecs (2,010 ly) from the Sun. The spectrum of 19 Cephei shows line profile variability on an hourly and daily timescale. This is thought to be due to the changes in the stellar wind. A scattered cluster of faint stars has been detected associated with 19 Cephei. The brightest likely members apart from 19 Cep itself are 10th magnitude stars.
has abstract
19 Cephei (19 Cep / HD 209975 ...... en la misma línea de visión.
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19 Cephei is a supergiant star ...... self are 10th magnitude stars.
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仙王座19(天钩增十一)，又名BD+61 2246，HD 2 ...... 經22h 2m 3.8s，赤緯+61° 5.39′ 36″。
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15.898.570
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1.017.251.897
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absmag v
−5.45
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appmag v
b-v
+0.06
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class
O9Ib
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constell
dist pc
epoch
J2000
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luminosity
p error
parallax
prop mo dec
−2.96
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prop mo ra
−1.16
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rotational velocity
u-b
−0.91
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19 Cephei (19 Cep / HD 209975 ...... rella estaría a 2400 años luz.
@es
19 Cephei is a supergiant star ...... self are 10th magnitude stars.
@en
仙王座19(天钩增十一)，又名BD+61 2246，HD 2 ...... 經22h 2m 3.8s，赤緯+61° 5.39′ 36″。
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label
19 Cephei
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19 Cephei
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19 Cephei
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仙王座19
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19 Cep
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