About: HAT-P-4

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HAT-P-4 is a wide binary star consisting of a pair of G-type main-sequence stars in the constellation of Boötes. It is also designated BD+36°2593. The star exhibits an infrared excess noise of unknown origin.

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rdf:type	Thing place dbo:Location schema:Place celestial body yago:CelestialBody109239740 yago:NaturalObject100019128 yago:Object100002684 yago:PhysicalEntity100001930 yago:WikicatG-typeMain-sequenceStars yago:WikicatG-typeStars motorsport season star yago:Star109444100 yago:Thing100002452 yago:Variable109468959 yago:Whole100003553 yago:WikicatDurchmusterungObjects yago:WikicatPlanetaryTransitVariables
rdfs:label	HAT-P-4 (ar) HAT-P-4 (de) HAT-P-4 (en) HAT-P-4 (fr) HAT-P-4 (it) HAT-P-4 (ja) HAT-P-4 (ru) HAT-P-4 (sv) HAT-P-4 (zh)
rdfs:comment	HAT-P-4 (بالإنجليزية: HAT-P-4)‏ الذي يرمز له بالرمز SAO 64638، هو نجم، في كوكبة العواء. (ar) HAT-P-4 ist ein etwa 1000 Lichtjahre von der Erde entfernter Gelber Zwerg im Sternbild Bärenhüter. Er besitzt eine scheinbare Helligkeit von 11,2 mag. Im Jahre 2007 entdeckte das HATNet Project einen extrasolaren Planeten, der diesen Stern umkreist. Dieser trägt den Namen HAT-P-4b. (de) HAT-P-4 is a wide binary star consisting of a pair of G-type main-sequence stars in the constellation of Boötes. It is also designated BD+36°2593. The star exhibits an infrared excess noise of unknown origin. (en) BD+36°2593, chiamata anche HAT-P-4, è una stella binaria facente parte della costellazione del Boote. Si tratta di un sistema composto da una coppia di stelle di classe G di sequenza principale poco più massicce e luminose del Sole, dal quale dista poco più di 1000 anni luce. Il 2 ottobre 2007 alcuni ricercatori statunitensi hanno scoperto che la stella possiede almeno un esopianeta, chiamato BD+36°2593 b. (it) HAT-P-4は、うしかい座の方角に約1,020光年の距離にある連星系である。 (ja) HAT-P-4 — широкая двойная звезда в созвездии Волопаса. Находится на расстоянии около 1010 световых лет от Солнца. Вокруг одной из звёзд обращается, как минимум, одна планета. Состоит из пары звёзд главной последовательности спектрального класса G0V и G2V. Наблюдаемое разделение — 28446 а.е. Саффе и др. в 2017 году обнаружили разницу в металличности между двумя компонентами HAT-P-4 в 0,10 dex. (ru) HAT-P-4是一颗位于牧夫座中的黄矮星。它的编号还有BD+36°2593。 (zh) BD+36°2593, aussi connue comme HAT-P-4, est une étoile située à une distance de 323 ± 3 parsecs du Soleil, dans la constellation boréale du Bouvier. De magnitude apparente 11,2 dans le spectre visible, elle n'est pas observable à l'œil nu depuis la Terre. Il s'agit d'une étoile binaire dont les deux composantes dont deux naines (classe de luminosité V) jaunes (classe spectrale G). Avec une masse de 1,26 ± 0,14 masse solaire pour un rayon de 1,59 ± 0,07 rayon solaire, l'étoile primaire héberge un système planétaire dont l'unique objet secondaire connu à ce jour (mai 2015) est BD+36 2593 b (HAT-P-4 b), une planète confirmée. Celle-ci serait une planète géante gazeuse de type Jupiter chaud, à courte période de révolution. Elle a été découverte en 2007 par la méthode des transits, à partir de (fr)
foaf:name	HAT-P-4 (en)
name	HAT-P-4A (en)
dcterms:subject	Binary stars Boötes Durchmusterung objects G-type main-sequence stars Planetary systems with one confirmed planet Planetary transit variables 2MASS objects
Wikipage page ID	19396759 (xsd:integer)
Wikipage revision ID	1070521817 (xsd:integer)
Link from a Wikipage to another Wikipage	Binary star Bonner Durchmusterung Durchmusterung Binary stars Boötes Durchmusterung objects G-type main-sequence stars Planetary systems with one confirmed planet Constellation PPM Star Catalogue Planetary transit variables G-type main-sequence star HATNet Project 2MASS 2MASS objects Extrasolar planet HAT-P-4b Astronomische Gesellschaft Katalog Guide Star Catalog Tycho-2 Catalogue Boötes (constellation) Methods of detecting extrasolar planets Smithsonian Astrophysical Observatory catalogue
Link from a Wikipage to an external page	http://media4.obspm.fr/exoplanets/base/etoile.php%3Fnom=HAT-P-4 http://aladin.u-strasbg.fr/AladinPreview%3F-c=15+19+57.927%2B36+13+46.79&ident=NAME+HAT-P-4&submit=Aladin+previewer https://web.archive.org/web/20160303222142/http:/media4.obspm.fr/exoplanets/base/etoile.php%3Fnom=HAT-P-4
sameAs	HAT-P-4 HAT-P-4 HAT-P-4 HAT-P-4 HAT-P-4 HAT-P-4 HAT-P-4 HAT-P-4 HAT-P-4 HAT-P-4 HAT-P-4 HAT-P-4 HAT-P-4 HAT-P-4 HAT-P-4
dbp:wikiPageUsesTemplate	dbt:Cite_web dbt:Extrasolar-planet-stub dbt:Main-star-stub dbt:OrbitboxPlanet dbt:OrbitboxPlanet_begin dbt:Orbitbox_end dbt:Reflist dbt:Short_description dbt:Sky dbt:Starbox_astrometry dbt:Starbox_begin dbt:Starbox_catalog

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