About: 8 Cygni

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8 Cygni is a single star in the northern constellation of Cygnus. Based upon its parallax of 3.79 mas, it is approximately 860 light-years (260 parsecs) away from Earth. It is visible to the naked eye as a faint, bluish-white hued star with an apparent visual magnitude of about 4.7. The star is moving closer to the Earth with a heliocentric radial velocity of −21 km/s.

Attributes	Values
rdf:type	Thing place dbo:Location schema:Place celestial body yago:Object100002684 yago:PhysicalEntity100001930 star yago:WikicatFlamsteedObjects
rdfs:label	8 Cygni (en) 8 Cygni (pt) 8 Cygni (sv) 辇道增九 (zh)
rdfs:comment	8 Cygni, som är stjärnans Flamsteed-beteckning, är en ensam stjärna belägen i den södra delen av stjärnbilden Svanen. Den har en skenbar magnitud på ca 4,75 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 3,8 mas, beräknas den befinna sig på ett avstånd på ca 860 ljusår (ca 260 parsek) från solen Den rör sig närmare solen med en heliocentrisk radialhastighet av ca -21 km/s. (sv) 天鵝座8，又名BD+34 3590，HD 184171、SAO 68447、HR 7426，是天鵝座的一颗恒星，视星等为4.74，位于銀經67.97，銀緯7.44，其B1900.0坐标为赤經19h 28m 3.3s，赤緯+34° 7.44′ 25″。 (zh) 8 Cygni is a single star in the northern constellation of Cygnus. Based upon its parallax of 3.79 mas, it is approximately 860 light-years (260 parsecs) away from Earth. It is visible to the naked eye as a faint, bluish-white hued star with an apparent visual magnitude of about 4.7. The star is moving closer to the Earth with a heliocentric radial velocity of −21 km/s. (en) 8 Cygni é uma estrela na constelação do norte de Cygnus. Baseado em sua paralaxe de 3,79 mas, a estrela está a aproximadamente 860 anos-luz (260 parsecs) de distância da Terra. É visível a olho nu como uma fraca estrela branca azulada com uma magnitude visual aparente de cerca de 4,7. A estrela está se aproximando da Terra com uma velocidade radial heliocêntrica de -21 km/s. (pt)
foaf:name	8 Cygni (en)
dcterms:subject	B-type subgiants Bright Star Catalogue objects Cygnus (constellation) Durchmusterung objects Flamsteed objects Henry Draper Catalogue objects Hipparcos objects
Wikipage page ID	13791717 (xsd:integer)
Wikipage revision ID	1079520636 (xsd:integer)
Link from a Wikipage to another Wikipage	B-type star Metallicity Bonner Durchmusterung B-type subgiants Bright Star Catalogue objects Cygnus (constellation) Durchmusterung objects Flamsteed objects Henry Draper Catalogue objects Hipparcos objects Constellation Effective temperature Light-year Star Stellar parallax Cygnus (constellation) Earth (disambiguation) Parsec Henry Draper catalogue J2000 Kelvin Sun Spectral type Apparent visual magnitude Radial velocity Smithsonian Astrophysical Observatory Star Catalog Flamsteed designation Subgiant star Harvard Revised catalogue Hipparcos catalogue
sameAs	8 Cygni 8 Cygni 8 Cygni 8 Cygni 8 Cygni 8 Cygni 8 Cygni 8 Cygni 8 Cygni
dbp:wikiPageUsesTemplate	dbt:Reflist dbt:Short_description dbt:Starbox_astrometry dbt:Starbox_begin dbt:Starbox_catalog dbt:Starbox_character dbt:Starbox_detail dbt:Starbox_end dbt:Starbox_observe dbt:Starbox_reference dbt:Val dbt:DEC dbt:RA dbt:Stars_of_Cygnus
appmag v	4.750000 (xsd:double)
b-v	−0.155 (en)
class	B3 IV (en)
constell	Cygnus (constellation)
epoch	J2000
gravity	3.620000 (xsd:double)
luminosity	2512 (xsd:integer)
mass	6.400000 (xsd:double)
metal fe	+0.25 (en)
p error	0.160000 (xsd:double)
parallax	3.790000 (xsd:double)
prop mo dec	−3.47 (en)
prop mo ra	1.160000 (xsd:double)
radius	6.500000 (xsd:double)
rotational velocity	15 (xsd:integer)
temperature	16100 (xsd:integer)
has abstract	8 Cygni is a single star in the northern constellation of Cygnus. Based upon its parallax of 3.79 mas, it is approximately 860 light-years (260 parsecs) away from Earth. It is visible to the naked eye as a faint, bluish-white hued star with an apparent visual magnitude of about 4.7. The star is moving closer to the Earth with a heliocentric radial velocity of −21 km/s. This is an aging subgiant star, as indicated by its spectral type of B3IV. Its effective temperature of 16,100 K fits into the normal range of B-type stars: 11,000 to 25,000 K. 8 Cygni is about twice as hot as the Sun, and it is six times larger and many times brighter in comparison. The elemental abundances are near solar. (en) 8 Cygni, som är stjärnans Flamsteed-beteckning, är en ensam stjärna belägen i den södra delen av stjärnbilden Svanen. Den har en skenbar magnitud på ca 4,75 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 3,8 mas, beräknas den befinna sig på ett avstånd på ca 860 ljusår (ca 260 parsek) från solen Den rör sig närmare solen med en heliocentrisk radialhastighet av ca -21 km/s. (sv) 8 Cygni é uma estrela na constelação do norte de Cygnus. Baseado em sua paralaxe de 3,79 mas, a estrela está a aproximadamente 860 anos-luz (260 parsecs) de distância da Terra. É visível a olho nu como uma fraca estrela branca azulada com uma magnitude visual aparente de cerca de 4,7. A estrela está se aproximando da Terra com uma velocidade radial heliocêntrica de -21 km/s. Esta é uma estrela subgigante envelhecida, como indicado pelo seu tipo espectral de B3IV. Sua temperatura efetiva de 16.100 K se encaixa na faixa normal de estrelas do tipo B: 11.000 a 25.000 K. 8 Cygni é aproximadamente duas vezes mais quente que o Sol, e é seis vezes maior e muitas vezes mais brilhante em comparação. As abundâncias elementares estão próximas da solar. (pt) 天鵝座8，又名BD+34 3590，HD 184171、SAO 68447、HR 7426，是天鵝座的一颗恒星，视星等为4.74，位于銀經67.97，銀緯7.44，其B1900.0坐标为赤經19h 28m 3.3s，赤緯+34° 7.44′ 25″。 (zh)

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