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Statements

Subject Item
dbr:Rho1_Eridani
rdf:type
dbo:CelestialBody schema:Place owl:Thing dbo:Star dbo:Location dbo:Place
rdfs:label
Rho1 Eridani Rho1 Eridani 波江座ρ Rho1 Eridani
rdfs:comment
Rho1 Eridani (ρ1 Eridani, förkortat Rho1 Eri, ρ1 Eri) som är stjärnans Bayerbeteckning, är en ensam stjärna belägen i den nordvästra delen av stjärnbilden Eridanus. Den har en skenbar magnitud på 5,75, är svagt synlig för blotta ögat där ljusföroreningar ej förekommer och bildar en asterism med stjärnorna Rho2 och Rho3 Eridani, söder om Cetus. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 10,1 mas, beräknas den befinna sig på ett avstånd på ca 320 ljusår (ca 99 parsek) från solen. Utgående från förändringar av dess egenrörelse, finns det sannolikhet för att den är en astrometrisk dubbelstjärna. 波江座ρ，又名BD-08 562，HD 18784、SAO 130243、HR 907，是波江座的一颗恒星，视星等为5.75，位于銀經186.62，銀緯-53.64，其B1900.0坐标为赤經2h 56m 14.9s，赤緯-8° -53.64′ 25″。 Rho1 Eridani (Rho1 Eri, ρ1 Eri), is a star located in the constellation Eridanus. It forms an asterism with the stars Rho2 and Rho3 Eridani, south of Cetus, in the upper north east portion of Eridanus. The star has an apparent visual magnitude of 5.75, which indicates it is faintly visible to the naked eye on a clear, dark night. Based upon parallax measurements made with the Hipparcos satellite, this star is roughly 320 light years away from the Sun. Judging from changes to its proper motion, there is a chance that this is an astrometric binary. Rho1 Eridani (8 Eridanus) é uma estrela na direção da constelação de Eridanus. Possui uma ascensão reta de 03h 01m 09.97s e uma declinação de −07° 39′ 46.2″. Sua magnitude aparente é igual a 5.75. Considerando sua distância de 304 anos-luz em relação à Terra, sua magnitude absoluta é igual a 0.90. Pertence à classe espectral K0II.
foaf:name
ρ1 Eridani
dcterms:subject
dbc:Horizontal-branch_stars dbc:Hipparcos_objects dbc:Flamsteed_objects dbc:Astrometric_binaries dbc:Eridanus_(constellation) dbc:Bayer_objects dbc:K-type_giants dbc:Durchmusterung_objects dbc:Bright_Star_Catalogue_objects dbc:Henry_Draper_Catalogue_objects
dbo:wikiPageID
51539196
dbo:wikiPageRevisionID
1118090527
dbo:wikiPageWikiLink
dbc:Hipparcos_objects dbc:Flamsteed_objects dbr:Rho3_Eridani dbc:Horizontal-branch_stars dbr:Hipparcos dbr:Red_clump dbr:Solar_radius dbr:Light_year dbr:Thermonuclear_fusion dbc:Astrometric_binaries dbr:Horizontal_branch dbc:Eridanus_(constellation) dbr:Apparent_visual_magnitude dbr:Solar_luminosity dbc:Bayer_objects dbr:Stellar_parallax dbr:J2000.0 dbc:K-type_giants dbr:Sun dbr:Hertzsprung–Russell_diagram dbr:Bright_Star_Catalogue dbr:Eridanus_(constellation) dbr:Henry_Draper_catalogue dbr:Giant_star dbr:Astrometric_binary dbr:Constellation dbc:Durchmusterung_objects dbr:Bonner_Durchmusterung dbr:Star dbr:Solar_mass dbc:Bright_Star_Catalogue_objects dbr:Smithsonian_Astrophysical_Observatory_Star_Catalog dbr:Stellar_atmosphere dbr:Stellar_classification dbr:Flamsteed_designation dbr:Stellar_evolution dbr:Effective_temperature dbc:Henry_Draper_Catalogue_objects dbr:Proper_motion dbr:International_Celestial_Reference_System dbr:K-type_star dbr:Bayer_designation dbr:Rho2_Eridani
owl:sameAs
yago-res:Rho1_Eridani wikidata:Q11144363 dbpedia-pt:Rho1_Eridani n15:B59y dbpedia-sv:Rho1_Eridani dbpedia-zh:波江座ρ
dbp:wikiPageUsesTemplate
dbt:RA dbt:Short_description dbt:Stars_of_Eridanus dbt:DEC dbt:Starbox_reference dbt:Starbox_begin dbt:Starbox_catalog dbt:Starbox_astrometry dbt:Starbox_observe dbt:Starbox_detail dbt:Starbox_end dbt:Starbox_character dbt:For dbt:Val dbt:Reflist
dbp:absmagV
0.899
dbp:appmagV
5.75
dbp:bV
+1.04
dbp:class
K0 III
dbp:constell
dbr:Eridanus_(constellation)
dbp:epoch
J2000.0
dbp:gravity
2.7
dbp:luminosity
46.9
dbp:mass
2.05
dbp:metalFe
0.09
dbp:pError
0.51
dbp:parallax
10.07
dbp:propMoDec
−69.97
dbp:propMoRa
+101.02
dbp:radius
10
dbp:rotationalVelocity
2.4
dbp:temperature
4710
dbp:uB
+0.86
dbo:abstract
Rho1 Eridani (8 Eridanus) é uma estrela na direção da constelação de Eridanus. Possui uma ascensão reta de 03h 01m 09.97s e uma declinação de −07° 39′ 46.2″. Sua magnitude aparente é igual a 5.75. Considerando sua distância de 304 anos-luz em relação à Terra, sua magnitude absoluta é igual a 0.90. Pertence à classe espectral K0II. Rho1 Eridani (Rho1 Eri, ρ1 Eri), is a star located in the constellation Eridanus. It forms an asterism with the stars Rho2 and Rho3 Eridani, south of Cetus, in the upper north east portion of Eridanus. The star has an apparent visual magnitude of 5.75, which indicates it is faintly visible to the naked eye on a clear, dark night. Based upon parallax measurements made with the Hipparcos satellite, this star is roughly 320 light years away from the Sun. Judging from changes to its proper motion, there is a chance that this is an astrometric binary. This is an evolved K-type giant star with a stellar classification of K0 III. It is a red clump giant on the horizontal branch of the Hertzsprung–Russell diagram, indicating that is it now generating energy through the thermonuclear fusion of helium at its core. The star has more than twice the mass of the Sun and has expanded to 10 times the Sun's radius. As such, it is radiating nearly 47 times the solar luminosity from its outer atmosphere at an effective temperature of 4,710 K. Rho1 Eridani (ρ1 Eridani, förkortat Rho1 Eri, ρ1 Eri) som är stjärnans Bayerbeteckning, är en ensam stjärna belägen i den nordvästra delen av stjärnbilden Eridanus. Den har en skenbar magnitud på 5,75, är svagt synlig för blotta ögat där ljusföroreningar ej förekommer och bildar en asterism med stjärnorna Rho2 och Rho3 Eridani, söder om Cetus. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 10,1 mas, beräknas den befinna sig på ett avstånd på ca 320 ljusår (ca 99 parsek) från solen. Utgående från förändringar av dess egenrörelse, finns det sannolikhet för att den är en astrometrisk dubbelstjärna. 波江座ρ，又名BD-08 562，HD 18784、SAO 130243、HR 907，是波江座的一颗恒星，视星等为5.75，位于銀經186.62，銀緯-53.64，其B1900.0坐标为赤經2h 56m 14.9s，赤緯-8° -53.64′ 25″。
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