About: Candidate 1

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Candidate 1 (also known as C1 or Alpha Centauri Ab) is an unconfirmed exoplanet candidate directly imaged around Alpha Centauri A in February 2021. If confirmed as an exoplanet, it would orbit at approximately 1.1 AU away from Alpha Centauri A with a period of about a year and would have a mass between that of Neptune and one-half that of Saturn and would therefore likely be a gas giant. The planet candidate is yet to be confirmed as an exoplanetary signal; additional observations are needed to confirm its true nature.

Attributes	Values
rdf:type	Thing place dbo:Location schema:Place celestial body Planet planet
rdfs:label	Candidate 1 (en) ケンタウルス座アルファ星Ab (ja) Альфа Центавра A b (ru)
rdfs:comment	Candidate 1 (also known as C1 or Alpha Centauri Ab) is an unconfirmed exoplanet candidate directly imaged around Alpha Centauri A in February 2021. If confirmed as an exoplanet, it would orbit at approximately 1.1 AU away from Alpha Centauri A with a period of about a year and would have a mass between that of Neptune and one-half that of Saturn and would therefore likely be a gas giant. The planet candidate is yet to be confirmed as an exoplanetary signal; additional observations are needed to confirm its true nature. (en) ケンタウルス座α星Ab（Candidate 1またはC1とも呼称される）とは、2021年2月に恒星ケンタウルス座α星A の周囲を公転している可能性がある、直接撮影された太陽系外惑星の候補である。主星から約1.1天文単位離れた距離を約1年の公転周期で公転しており、海王星の質量と土星の質量の間の質量を持っている。この質量から、ケンタウルス座α星Abはガス状の惑星である可能性が高く、したがって、居住可能な太陽系外衛星がケンタウルス座α星Abの周囲を公転している可能性はあるが、ケンタウルス座α星Aのハビタブルゾーン内に岩石惑星が存在する可能性は排除されている。 (ja) Альфа Центавра A b (также известна под названием Кандидат 1 или C1) — неподтверждённый кандидат в экзопланеты в системе звезды Альфа Центавра А, открытый в феврале 2021 года методом прямого наблюдения. Предполагаемое расстояние от звезды — 1,1 а.е. (входит в зону обитаемости), период обращения — около 1 года, масса — от массы Нептуна до половины массы Сатурна; предположительно, газовый гигант. (ru)
foaf:name	Candidate 1 (en)
name	Candidate 1 (en)
foaf:depiction
dcterms:subject	Alpha Centauri Exoplanet candidates
Wikipage page ID	66733440 (xsd:integer)
Wikipage revision ID	1106683549 (xsd:integer)
Link from a Wikipage to another Wikipage	Saturn Alpha Centauri List of directly imaged exoplanets List of largest exoplanets List of nearest exoplanets Alpha Centauri Exoplanet candidates Exoplanet Neptune Very Large Telescope Lists of exoplanets Nature Communications
sameAs	Candidate 1 Candidate 1 Candidate 1 Candidate 1
dbp:wikiPageUsesTemplate	dbt:2021_in_space dbt:Infobox_planet dbt:Portal_bar dbt:Reflist dbt:Short_description dbt:Earth_mass dbt:Earth_radius dbt:Stars_of_Centaurus dbt:Alpha_Centauri dbt:Nearest_systems
thumbnail	wiki-commons:Special:FilePath/Candidate1_Discovery.png?width=300
alt names	Alpha Centauri Ab, Rigil Kentaurus b, C1 (en)
apsis	astron (en)
caption	The discovery image of Candidate 1, taken by the NEAR instrument at ESO's Very Large Telescope in 2021. (en)
discovered	2021 (xsd:integer)
discoverer	K. Wagner, et al. (en)
discovery method	Direct imaging (en)
inclination	~70° (en)
mass	~20-50 (en)
period	3.1104E7 (second)
semimajor	1.1 (astronomicalUnit)
star	Alpha Centauri
has abstract	Candidate 1 (also known as C1 or Alpha Centauri Ab) is an unconfirmed exoplanet candidate directly imaged around Alpha Centauri A in February 2021. If confirmed as an exoplanet, it would orbit at approximately 1.1 AU away from Alpha Centauri A with a period of about a year and would have a mass between that of Neptune and one-half that of Saturn and would therefore likely be a gas giant. The planet candidate is yet to be confirmed as an exoplanetary signal; additional observations are needed to confirm its true nature. (en) ケンタウルス座α星Ab（Candidate 1またはC1とも呼称される）とは、2021年2月に恒星ケンタウルス座α星A の周囲を公転している可能性がある、直接撮影された太陽系外惑星の候補である。主星から約1.1天文単位離れた距離を約1年の公転周期で公転しており、海王星の質量と土星の質量の間の質量を持っている。この質量から、ケンタウルス座α星Abはガス状の惑星である可能性が高く、したがって、居住可能な太陽系外衛星がケンタウルス座α星Abの周囲を公転している可能性はあるが、ケンタウルス座α星Aのハビタブルゾーン内に岩石惑星が存在する可能性は排除されている。 (ja) Альфа Центавра A b (также известна под названием Кандидат 1 или C1) — неподтверждённый кандидат в экзопланеты в системе звезды Альфа Центавра А, открытый в феврале 2021 года методом прямого наблюдения. Предполагаемое расстояние от звезды — 1,1 а.е. (входит в зону обитаемости), период обращения — около 1 года, масса — от массы Нептуна до половины массы Сатурна; предположительно, газовый гигант. (ru)
extrasolarplanet	yes (en)
prov:wasDerivedFrom	wikipedia-en:Candidate_1?oldid=1106683549&ns=0
orbital period (μ)	360.0 (day)
page length (characters) of wiki page	5866 (xsd:nonNegativeInteger)
Method of discovery	Direct imaging
former name	Alpha Centauri Ab, Rigil Kentaurus b, C1 (en)
orbital period (s)	31104000.000000 (xsd:double)
foaf:isPrimaryTopicOf	wikipedia-en:Candidate_1
is Link from a Wikipage to another Wikipage of	List of exoplanets discovered in 2021 List of directly imaged exoplanets List of nearest exoplanets List of nearest stars and brown dwarfs Stars and planetary systems in fiction Alpha Centauri Alpha Centauri Ab
is Wikipage redirect of	Alpha Centauri Ab
is foaf:primaryTopic of	wikipedia-en:Candidate_1

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