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HD 217382 is a suspected binary star syste … HD 217382 is a suspected binary star system in the northern circumpolar constellation of Cepheus. It is faintly visible to the naked eye with an apparent visual magnitude of 4.70. The distance to HD 217382 is around 319 light years, as determined from an annual parallax shift of 10.2152 mas. The system is moving further away with a heliocentric radial velocity of +2.6 km/s. It is a candidate member of the Hyades supercluster and has a peculiar velocity of 9.2 km/s. The visible component of this system is an evolved K-type giant star with a stellar classification of K4 III. It is a periodic variable with a frequency of a cycle every 10.64724 days and an amplitude of 0.0041 in magnitude. The star has an estimated 37 times the radius of the Sun and is radiating 318 times the Sun's luminosity from its enlarged photosphere at an effective temperature of about 4,105 K.an effective temperature of about 4,105 K.
, HD 217382 är en misstänkt dubbelstjärna be … HD 217382 är en misstänkt dubbelstjärna belägen i den norra delen av stjärnbilden Cepheus. Den har en skenbar magnitud av ca 4,70 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 8,9 mas, beräknas den befinna sig på ett avstånd på ca 356 ljusår (ca 109 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 3 km/s. och ingår möjligen i superhopen Hyaderna och har en egenrörelse av 9,2 km/s.aderna och har en egenrörelse av 9,2 km/s.
, HD 217382，又名BD+83 640，SAO 3816、HR 8748，是一颗恒星，视星等为4.71，位于銀經119.95，銀緯22.17，其B1900.0坐标为赤經22h 55m 12.8s，赤緯+83° 22.17′ 40″。
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| rdfs:comment |
HD 217382 är en misstänkt dubbelstjärna be … HD 217382 är en misstänkt dubbelstjärna belägen i den norra delen av stjärnbilden Cepheus. Den har en skenbar magnitud av ca 4,70 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 8,9 mas, beräknas den befinna sig på ett avstånd på ca 356 ljusår (ca 109 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 3 km/s. och ingår möjligen i superhopen Hyaderna och har en egenrörelse av 9,2 km/s.aderna och har en egenrörelse av 9,2 km/s.
, HD 217382 is a suspected binary star syste … HD 217382 is a suspected binary star system in the northern circumpolar constellation of Cepheus. It is faintly visible to the naked eye with an apparent visual magnitude of 4.70. The distance to HD 217382 is around 319 light years, as determined from an annual parallax shift of 10.2152 mas. The system is moving further away with a heliocentric radial velocity of +2.6 km/s. It is a candidate member of the Hyades supercluster and has a peculiar velocity of 9.2 km/s.r and has a peculiar velocity of 9.2 km/s.
, HD 217382，又名BD+83 640，SAO 3816、HR 8748，是一颗恒星，视星等为4.71，位于銀經119.95，銀緯22.17，其B1900.0坐标为赤經22h 55m 12.8s，赤緯+83° 22.17′ 40″。
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HD 217382
, 勾陳六
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