67 Cancri (original) (raw)
67 Cancri è una stella bianca nella sequenza principale di magnitudine 6,06 situata nella costellazione del Cancro. Dista 192 anni luce dal sistema solare.
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dbo:abstract | 67 Cancri is a wide binary star system in the zodiac constellation of Cancer, located 195 light years away from the Sun. It is just visible to the naked eye as a faint, white-hued star with a combined apparent magnitude of 6.07. The binary nature of this system was discovered by James South and John Herschel. As of 2007, the two components have an angular separation of 103.9″, corresponding to a projected separation of 6,100 AU. They are moving further from the Earth with a heliocentric radial velocity of +12 km/s. The primary, designated component A, is an A-type main-sequence star with a stellar classification of A8 Vn. The 'n' notation indicates "nebulous" lines due to rapid rotation. It is a shell star, with weak shell lines of singly-ionized titanium being detected in the near ultraviolet in 1970. These may have come from a sporadic mass loss event. Uesugi and Fukuda (1970) gave a projected rotational velocity estimate of 105 km/s for the star, although Abt et al. (1997) suggested it could be as high as 205 km/s. 67 Cancri A is about 867 million years old with 1.89 times the mass of the Sun and 1.90 times the Sun's radius. It is radiating 10.5 times the Sun's luminosity from its photosphere at an effective temperature of 7,982 K. (en) 67 Cancri è una stella bianca nella sequenza principale di magnitudine 6,06 situata nella costellazione del Cancro. Dista 192 anni luce dal sistema solare. (it) 67 Рака (лат. 67 Cancri) — двойная звезда, которая находится в созвездии Рака. Главный компонент, 67 Рака А, — белая звезда класса А, карлик главной последовательности. 67 Рака была открыта британскими астрономами Джеймсом Саутом и Джоном Гершелем. (ru) 67 Cancri, som är stjärnans Flamsteed-beteckning, är en vid dubbelstjärna, belägen i den mellersta delen av stjärnbilden Kräftan. Den har en kombinerad skenbar magnitud av ca 6,07 och är mycket svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxenligt Gaia Data Release 2 på ca 16,8 mas, beräknas den befinna sig på ett avstånd på ca 195 ljusår (ca 60 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 12 km/s. (sv) |
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dbo:wikiPageWikiLink | dbr:Cancer_(constellation) dbr:Binary_star dbr:Stellar_classification dbc:A-type_main-sequence_stars dbc:Binary_stars dbc:Bright_Star_Catalogue_objects dbc:Cancer_(constellation) dbc:Durchmusterung_objects dbc:Flamsteed_objects dbc:Henry_Draper_Catalogue_objects dbc:Hipparcos_objects dbc:Shell_stars dbr:Constellation dbr:Photosphere dbr:Effective_temperature dbr:Apparent_magnitude dbr:Light_year dbr:A-type_main-sequence_star dbr:James_South dbr:Angular_separation dbr:John_Herschel dbr:Zodiac dbr:Radial_velocity dbr:Shell_star dbr:Mass_of_the_Sun dbr:Sun's_luminosity dbr:Sun's_radius dbr:Absorption_line dbr:Projected_rotational_velocity dbr:Projected_separation |
dbp:absmagV | 2.250000 (xsd:double) |
dbp:ageMyr | 867 (xsd:integer) |
dbp:appmagV | 6.070000 (xsd:double) (en) |
dbp:class | A8 Vn (en) |
dbp:component | 67 (xsd:integer) |
dbp:constell | dbr:Cancer_(constellation) |
dbp:epoch | J2000.0 (en) |
dbp:gravity | 4.350000 (xsd:double) |
dbp:mass | 1.890000 (xsd:double) |
dbp:pError | 0.155000 (xsd:double) |
dbp:parallax | 16.764700 (xsd:double) |
dbp:propMoDec | −80.127 (en) |
dbp:propMoRa | −57.037 (en) |
dbp:rotationalVelocity | 105 (xsd:integer) |
dbp:type | main sequence (en) |
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dcterms:subject | dbc:A-type_main-sequence_stars dbc:Binary_stars dbc:Bright_Star_Catalogue_objects dbc:Cancer_(constellation) dbc:Durchmusterung_objects dbc:Flamsteed_objects dbc:Henry_Draper_Catalogue_objects dbc:Hipparcos_objects dbc:Shell_stars |
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rdfs:comment | 67 Cancri è una stella bianca nella sequenza principale di magnitudine 6,06 situata nella costellazione del Cancro. Dista 192 anni luce dal sistema solare. (it) 67 Рака (лат. 67 Cancri) — двойная звезда, которая находится в созвездии Рака. Главный компонент, 67 Рака А, — белая звезда класса А, карлик главной последовательности. 67 Рака была открыта британскими астрономами Джеймсом Саутом и Джоном Гершелем. (ru) 67 Cancri, som är stjärnans Flamsteed-beteckning, är en vid dubbelstjärna, belägen i den mellersta delen av stjärnbilden Kräftan. Den har en kombinerad skenbar magnitud av ca 6,07 och är mycket svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxenligt Gaia Data Release 2 på ca 16,8 mas, beräknas den befinna sig på ett avstånd på ca 195 ljusår (ca 60 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 12 km/s. (sv) 67 Cancri is a wide binary star system in the zodiac constellation of Cancer, located 195 light years away from the Sun. It is just visible to the naked eye as a faint, white-hued star with a combined apparent magnitude of 6.07. The binary nature of this system was discovered by James South and John Herschel. As of 2007, the two components have an angular separation of 103.9″, corresponding to a projected separation of 6,100 AU. They are moving further from the Earth with a heliocentric radial velocity of +12 km/s. (en) |
rdfs:label | 67 Cancri (en) 67 Cancri (it) 67 Рака (ru) 67 Cancri (sv) |
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foaf:name | 67 Cancri (en) |
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