| http://dbpedia.org/ontology/abstract
|
HD 121439, also known as HR 5240, is a sol … HD 121439, also known as HR 5240, is a solitary, bluish-white hued star located in the southern circumpolar constellation Apus. It has an apparent magnitude of 6.08, allowing it to be faintly visible to the naked eye. The object is located relatively far at a distance of 774 light years based on Gaia DR3 parallax measurements but is receding with a fairly constrained radial velocity of 4 km/s. At its current distance, HD 121439's brightness is diminished by 0.57 magnitudes due to interstellar dust. This is an evolved giant star with a stellar classification of B9 III. It has 3.26 times the mass of the Sun but has expanded to 5.6 times its girth. It radiates 168 times the luminosity of the Sun from its photosphere at an effective temperature of 9,708 K. Based on extinction from the Gaia passband, HD 121439 has an iron abundance 1.65 times that of the Sun. This makes the object metal enriched.Sun. This makes the object metal enriched.
, HD 121439，又名CP-77 922，SAO 257107、HR 5240，是一颗恒星，视星等为6.09，位于銀經306.44，銀緯-16.19，其B1900.0坐标为赤經13h 50m 13.4s，赤緯-78° -16.19′ 7″。
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47885419
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10373
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1121779062
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| http://dbpedia.org/ontology/wikiPageWikiLink
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http://dbpedia.org/resource/Henry_Draper_Catalogue +
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, http://dbpedia.org/resource/Parallax +
, http://dbpedia.org/resource/Category:Durchmusterung_objects +
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, http://dbpedia.org/resource/Category:Hipparcos_objects +
, http://dbpedia.org/resource/Category:B-type_giants +
, http://dbpedia.org/resource/Photosphere +
, http://dbpedia.org/resource/Apus +
, http://dbpedia.org/resource/Iron +
, http://dbpedia.org/resource/Category:Bright_Star_Catalogue_objects +
, http://dbpedia.org/resource/Giant_star +
, http://dbpedia.org/resource/Gaia_DR3 +
, http://dbpedia.org/resource/Effective_temperature +
, http://dbpedia.org/resource/Mass_of_the_Sun +
, http://dbpedia.org/resource/Light_year +
, http://dbpedia.org/resource/Gaia_spacecraft +
, http://dbpedia.org/resource/Luminosity_of_the_Sun +
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| http://dbpedia.org/property/absmagV
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−0.80
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| http://dbpedia.org/property/appmagV
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6.08
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| http://dbpedia.org/property/bV
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+0.03
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| http://dbpedia.org/property/class
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B9 III
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| http://dbpedia.org/property/constell
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http://dbpedia.org/resource/Apus +
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| http://dbpedia.org/property/epoch
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J2000.0
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| http://dbpedia.org/property/gravity
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3.48
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| http://dbpedia.org/property/luminosity
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168
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| http://dbpedia.org/property/mass
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3.26
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| http://dbpedia.org/property/metalFe
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+0.22
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| http://dbpedia.org/property/pError
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0.0425
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| http://dbpedia.org/property/parallax
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4.2166
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| http://dbpedia.org/property/propMoDec
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−9.094
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| http://dbpedia.org/property/propMoRa
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−14.337
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| http://dbpedia.org/property/radialV
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4
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| http://dbpedia.org/property/radius
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5.55
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| http://dbpedia.org/property/temperature
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9708
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| http://dbpedia.org/property/uB
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−0.17
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http://dbpedia.org/resource/Template:Stars_of_Apus +
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http://dbpedia.org/resource/Category:Durchmusterung_objects +
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, http://dbpedia.org/resource/Category:B-type_giants +
, http://dbpedia.org/resource/Category:Apus_%28constellation%29 +
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http://en.wikipedia.org/wiki/HD_121439?oldid=1121779062&ns=0 +
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http://en.wikipedia.org/wiki/HD_121439 +
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HD121439
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http://dbpedia.org/resource/HD_121439 +
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http://dbpedia.org/ontology/Star +
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| rdfs:comment |
HD 121439，又名CP-77 922，SAO 257107、HR 5240，是一颗恒星，视星等为6.09，位于銀經306.44，銀緯-16.19，其B1900.0坐标为赤經13h 50m 13.4s，赤緯-78° -16.19′ 7″。
, HD 121439, also known as HR 5240, is a sol … HD 121439, also known as HR 5240, is a solitary, bluish-white hued star located in the southern circumpolar constellation Apus. It has an apparent magnitude of 6.08, allowing it to be faintly visible to the naked eye. The object is located relatively far at a distance of 774 light years based on Gaia DR3 parallax measurements but is receding with a fairly constrained radial velocity of 4 km/s. At its current distance, HD 121439's brightness is diminished by 0.57 magnitudes due to interstellar dust. 0.57 magnitudes due to interstellar dust.
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| rdfs:label |
HD 121439
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