58 Persei (original) (raw)
58 Persei (e Persei) é uma estrela na direção da Perseus. Possui uma ascensão reta de 04h 36m 41.43s e uma declinação de +41° 15′ 53.5″. Sua magnitude aparente é igual a 4.25. Considerando sua distância de 642 anos-luz em relação à Terra, sua magnitude absoluta é igual a −2.34. Pertence à classe espectral G8II comp.
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| dbo:abstract | 58 Persei is a binary and possibly a triple star system in the northern constellation of Perseus. It has the Bayer designation e Persei, while 58 Persei is the Flamsteed designation. This system is visible to the naked eye as a faint point of light with an apparent visual magnitude of 4.26. It is approximately 800 light years away from the Sun based on parallax, and is drifting further away with a radial velocity of +10 km/s. This is a single-lined spectroscopic binary system with an orbital period of 28.7 years and an eccentricity of 0.65. The primary member, designated component A, is an orange-hued (K–type) bright giant with a stellar classification of K1II. The star is around 50 million years old with 7 times the mass of the Sun. Having exhausted the supply of hydrogen at its core, it has expanded to roughly 56 times the Sun's radius. It is radiating 1,698 times the luminosity of the Sun from its enlarged photosphere at an effective temperature of 5,173 K. The secondary, component B, appears to be a B-type main-sequence star with a stellar classification of B7V. It is a suspected binary of unknown period with component masses of 3.3 and 1.2 times the mass of the Sun. (en) 58 Persei (e Persei) é uma estrela na direção da Perseus. Possui uma ascensão reta de 04h 36m 41.43s e uma declinação de +41° 15′ 53.5″. Sua magnitude aparente é igual a 4.25. Considerando sua distância de 642 anos-luz em relação à Terra, sua magnitude absoluta é igual a −2.34. Pertence à classe espectral G8II comp. (pt) 58 Persei, som är stjärnans Flamsteed-beteckning, är en dubbelstjärna eller möjligen en trippelstjärna belägen i den mellersta delen av stjärnbilden, Perseus som också har Bayer-beteckningen e Persei. Den har en kombinerad skenbar magnitud på ca 4,26 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 4,1 mas, beräknas den befinna sig på ett avstånd på ca 800 ljusår (ca 240 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet av 10 km/s. (sv) 英仙座58，又名BD+40 1000，HD 29094、SAO 39639、HR 1454，是英仙座的一颗恒星，视星等为4.25，位于銀經161.76，銀緯-4.03，其B1900.0坐标为赤經4h 29m 45.5s，赤緯+41° -4.03′ 34″。 (zh) |
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| dbp:absmagV | -2.670000 (xsd:double) |
| dbp:appmagV | 4.260000 (xsd:double) |
| dbp:axis | 0.051000 (xsd:double) |
| dbp:bV | +1.24 (en) |
| dbp:class | (en) K1II + B7V (en) |
| dbp:component | 58 (xsd:integer) |
| dbp:constell | dbr:Perseus_(constellation) |
| dbp:eccentricity | 0.640000 (xsd:double) |
| dbp:epoch | J2000 (en) |
| dbp:gravity | 2.210000 (xsd:double) |
| dbp:inclination | 81 (xsd:integer) |
| dbp:luminosity | 1698 (xsd:integer) |
| dbp:metalFe | −0.20 (en) |
| dbp:name | 58 (xsd:integer) |
| dbp:node | 237 (xsd:integer) |
| dbp:pError | 0.380000 (xsd:double) |
| dbp:parallax | 4.090000 (xsd:double) |
| dbp:periarg | 191 (xsd:integer) |
| dbp:periastron | 1978.650000 (xsd:double) |
| dbp:period | 28.800000 (xsd:double) |
| dbp:primary | 58 (xsd:integer) |
| dbp:propMoDec | −17.84 (en) |
| dbp:propMoRa | −4.56 (en) |
| dbp:radialV | +9.80 (en) |
| dbp:rotationalVelocity | 11 (xsd:integer) |
| dbp:uB | +0.81 (en) |
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| gold:hypernym | dbr:Star |
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| rdfs:comment | 58 Persei (e Persei) é uma estrela na direção da Perseus. Possui uma ascensão reta de 04h 36m 41.43s e uma declinação de +41° 15′ 53.5″. Sua magnitude aparente é igual a 4.25. Considerando sua distância de 642 anos-luz em relação à Terra, sua magnitude absoluta é igual a −2.34. Pertence à classe espectral G8II comp. (pt) 58 Persei, som är stjärnans Flamsteed-beteckning, är en dubbelstjärna eller möjligen en trippelstjärna belägen i den mellersta delen av stjärnbilden, Perseus som också har Bayer-beteckningen e Persei. Den har en kombinerad skenbar magnitud på ca 4,26 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 4,1 mas, beräknas den befinna sig på ett avstånd på ca 800 ljusår (ca 240 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet av 10 km/s. (sv) 英仙座58，又名BD+40 1000，HD 29094、SAO 39639、HR 1454，是英仙座的一颗恒星，视星等为4.25，位于銀經161.76，銀緯-4.03，其B1900.0坐标为赤經4h 29m 45.5s，赤緯+41° -4.03′ 34″。 (zh) 58 Persei is a binary and possibly a triple star system in the northern constellation of Perseus. It has the Bayer designation e Persei, while 58 Persei is the Flamsteed designation. This system is visible to the naked eye as a faint point of light with an apparent visual magnitude of 4.26. It is approximately 800 light years away from the Sun based on parallax, and is drifting further away with a radial velocity of +10 km/s. (en) |
| rdfs:label | 58 Persei (en) 58 Persei (pt) 58 Persei (sv) 五车增三 (zh) |
| owl:sameAs | freebase:58 Persei yago-res:58 Persei wikidata:58 Persei dbpedia-pt:58 Persei dbpedia-sv:58 Persei dbpedia-zh:58 Persei https://global.dbpedia.org/id/4JZWy |
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