HD 225218 (original) (raw)
HD 225218 is a quadruple star system in the northern constellation of Andromeda. The primary component, HD 225218 A, is a giant star with a stellar classification of B9III, an apparent magnitude of 6.16, and is a candidate Lambda Boötis star. It has a fainter, magnitude 9.65 companion, HD 225218 B, at an angular separation of 5.2″ along a position angle of 171°. The primary itself has been identified as a binary star system through interferometry, with the two components separated by 0.165″. The pair, HD 225218 Aa and Ab, orbit each other with a period of about 70 years and an eccentricity of 0.515. Component B is likewise a spectroscopic binary.
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| dbo:abstract | HD 225218 is a quadruple star system in the northern constellation of Andromeda. The primary component, HD 225218 A, is a giant star with a stellar classification of B9III, an apparent magnitude of 6.16, and is a candidate Lambda Boötis star. It has a fainter, magnitude 9.65 companion, HD 225218 B, at an angular separation of 5.2″ along a position angle of 171°. The primary itself has been identified as a binary star system through interferometry, with the two components separated by 0.165″. The pair, HD 225218 Aa and Ab, orbit each other with a period of about 70 years and an eccentricity of 0.515. Component B is likewise a spectroscopic binary. (en) HD 225218 è una stella gigante azzurra di magnitudine 6,14 situata nella costellazione di Andromeda. Dista 1681 anni luce dal sistema solare. (it) HD 225218 är en multipelstjärna belägen i den mellersta delen av stjärnbilden Andromeda. Den har en kombinerad skenbar magnitud av ca 6,13 och är mycket svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 2,6 mas, beräknas den befinna sig på ett avstånd på ca 1 300 ljusår (ca 390 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet på ca -8 km/s. (sv) HD 225218，又名BD+41 4933，SAO 36037、HR 9105，是一颗恒星，视星等为6.01，位于銀經113.72，銀緯-19.94，其B1900.0坐标为赤經23h 59m 28.2s，赤緯+41° -19.94′ 10″。 (zh) HD 225218 — двойная или кратная звезда, бело-голубой гигант, находящийся в созвездии Андромеда на расстоянии приблизительно 1259,32 св. лет от Земли. Является двойной или кратной звездой. По состоянию на 2007 год, радиус звезды оценивается в 10,06 солнечного радиуса. Исходя из отрицательной радиальной скорости, звезда приближается к Солнцу. Планет у HD 225218 обнаружено не было. Звезда видима невооружённым глазом на ночном небе. (ru) |
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| dbp:appmagV | 6.160000 (xsd:double) 9.650000 (xsd:double) |
| dbp:axis | 0.165000 (xsd:double) |
| dbp:bV | 0.150000 (xsd:double) |
| dbp:class | B9III + F0V: (en) |
| dbp:component | HD 225218 A (en) HD 225218 B (en) |
| dbp:constell | dbr:Andromeda_(constellation) |
| dbp:eccentricity | 0.515000 (xsd:double) |
| dbp:epoch | J2000.0 (en) |
| dbp:luminosity | 394 (xsd:integer) |
| dbp:pError | 0.020800 (xsd:double) 0.353900 (xsd:double) |
| dbp:parallax | 3.004100 (xsd:double) 4.432400 (xsd:double) |
| dbp:period | 70.120000 (xsd:double) |
| dbp:radialV | −8.0 (en) |
| dbp:rotation | 25 (xsd:integer) |
| dbp:temperature | 7611 (xsd:integer) |
| dbp:uB | 0.140000 (xsd:double) |
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| dcterms:subject | dbc:Andromeda_(constellation) dbc:B-type_giants dbc:Bright_Star_Catalogue_objects dbc:Durchmusterung_objects dbc:Henry_Draper_Catalogue_objects dbc:Hipparcos_objects dbc:Multiple_star_systems |
| gold:hypernym | dbr:System |
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| rdfs:comment | HD 225218 is a quadruple star system in the northern constellation of Andromeda. The primary component, HD 225218 A, is a giant star with a stellar classification of B9III, an apparent magnitude of 6.16, and is a candidate Lambda Boötis star. It has a fainter, magnitude 9.65 companion, HD 225218 B, at an angular separation of 5.2″ along a position angle of 171°. The primary itself has been identified as a binary star system through interferometry, with the two components separated by 0.165″. The pair, HD 225218 Aa and Ab, orbit each other with a period of about 70 years and an eccentricity of 0.515. Component B is likewise a spectroscopic binary. (en) HD 225218 è una stella gigante azzurra di magnitudine 6,14 situata nella costellazione di Andromeda. Dista 1681 anni luce dal sistema solare. (it) HD 225218 är en multipelstjärna belägen i den mellersta delen av stjärnbilden Andromeda. Den har en kombinerad skenbar magnitud av ca 6,13 och är mycket svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 2,6 mas, beräknas den befinna sig på ett avstånd på ca 1 300 ljusår (ca 390 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet på ca -8 km/s. (sv) HD 225218，又名BD+41 4933，SAO 36037、HR 9105，是一颗恒星，视星等为6.01，位于銀經113.72，銀緯-19.94，其B1900.0坐标为赤經23h 59m 28.2s，赤緯+41° -19.94′ 10″。 (zh) HD 225218 — двойная или кратная звезда, бело-голубой гигант, находящийся в созвездии Андромеда на расстоянии приблизительно 1259,32 св. лет от Земли. Является двойной или кратной звездой. По состоянию на 2007 год, радиус звезды оценивается в 10,06 солнечного радиуса. Исходя из отрицательной радиальной скорости, звезда приближается к Солнцу. Планет у HD 225218 обнаружено не было. Звезда видима невооружённым глазом на ночном небе. (ru) |
| rdfs:label | HD 225218 (en) HD 225218 (it) HD 225218 (ru) HD 225218 (sv) HD 225218 (zh) |
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| foaf:name | HD 225218 (en) |
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