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Subject Item
dbr:Table_of_stars_with_Bayer_designations
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dbr:Pi_Cassiopeiae
Subject Item
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rdf:type
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HD 4058 Pi Cassiopeiae Pi Cassiopeiae 閣道增一 Pi Cassiopeiae
rdfs:comment
Pi Cassiopeiae (π Cassiopaiae, förkortat Pi Cas, π Cas), som är stjärnans Bayer-beteckning, är en snäv dubbelstjärna belägen i den södra delen av stjärnbilden Cassiopeja. Den har en skenbar magnitud på 4,95, är synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 18,6 mas, beräknas den befinna sig på ett avstånd på ca 175 ljusår (ca 54 parsek) från solen. Pi Cassiopeiae (20 Cassiopeiae) é uma estrela na direção da constelação de Cassiopeia. Possui uma ascensão reta de 00h 43m 28.09s e uma declinação de +47° 01′ 28.7″. Sua magnitude aparente é igual a 4.95. Considerando sua distância de 174 anos-luz em relação à Terra, sua magnitude absoluta é igual a 1.31. Pertence à classe espectral A5V. HD4058 — хімічно пекулярна зоря спектрального класу A4, що має видиму зоряну величину всмузі V приблизно 4.9.Вона знаходиться у сузір'ї Кассіопея й розташована на відстані близько 175 світлових років від Сонця. Pi Cassiopeiae, Latinized from π Cassiopeiae, is a close binary star system in the constellation Cassiopeia. It is visible to the naked eye with an apparent visual magnitude of +4.949. Based upon an annual parallax shift of 18.63 mas as seen from Earth, this system is located about 175 light years from the Sun. 仙后座π，又名BD+46 146，HD 4058、SAO 36602、HR 184，是仙后座的一颗恒星，视星等为4.94，位于銀經121.52，銀緯-15.82，其B1900.0坐标为赤經0h 37m 55.8s，赤緯+46° -15.82′ 39″。
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Pi Cassiopeiae
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n17:Pi_cassiopeiae_diagram.jpg?width=300
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+1.30
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251
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+4.949
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+0.171
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A5 V
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0
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22
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Pi Cassiopeiae, Latinized from π Cassiopeiae, is a close binary star system in the constellation Cassiopeia. It is visible to the naked eye with an apparent visual magnitude of +4.949. Based upon an annual parallax shift of 18.63 mas as seen from Earth, this system is located about 175 light years from the Sun. This is a double-lined spectroscopic binary system with an orbital period of nearly two days in a circular orbit. It is classified as a rotating ellipsoidal variable star and its brightness varies by 0.02 magnitudes with a period of 23.57 hours, which equals half of its orbital period. The spectrum matches that of an A-type main-sequence star with a stellar classification of A5 V. Pi Cassiopeiae (20 Cassiopeiae) é uma estrela na direção da constelação de Cassiopeia. Possui uma ascensão reta de 00h 43m 28.09s e uma declinação de +47° 01′ 28.7″. Sua magnitude aparente é igual a 4.95. Considerando sua distância de 174 anos-luz em relação à Terra, sua magnitude absoluta é igual a 1.31. Pertence à classe espectral A5V. HD4058 — хімічно пекулярна зоря спектрального класу A4, що має видиму зоряну величину всмузі V приблизно 4.9.Вона знаходиться у сузір'ї Кассіопея й розташована на відстані близько 175 світлових років від Сонця. 仙后座π，又名BD+46 146，HD 4058、SAO 36602、HR 184，是仙后座的一颗恒星，视星等为4.94，位于銀經121.52，銀緯-15.82，其B1900.0坐标为赤經0h 37m 55.8s，赤緯+46° -15.82′ 39″。 Pi Cassiopeiae (π Cassiopaiae, förkortat Pi Cas, π Cas), som är stjärnans Bayer-beteckning, är en snäv dubbelstjärna belägen i den södra delen av stjärnbilden Cassiopeja. Den har en skenbar magnitud på 4,95, är synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 18,6 mas, beräknas den befinna sig på ett avstånd på ca 175 ljusår (ca 54 parsek) från solen.
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