| http://dbpedia.org/ontology/abstract
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HD 46815，又名CD-36 2990，SAO 196945、HR 2411，是一颗恒星，视星等为5.42，位于銀經244.69，銀緯-18.94，其B1900.0坐标为赤經6h 30m 19.1s，赤緯-36° -18.94′ 26″。
, HD 46815 (HR 2411) is a solitary star in t … HD 46815 (HR 2411) is a solitary star in the southern constellation Columba. It is faintly visible to the naked eye with an apparent magnitude of 5.4 and is estimated to be 408 light years away. However, it is receding with a heliocentric radial velocity of 32.2 km/s. HD 46815 has a stellar classification of K3 III, indicating that it is a red giant. At present it has 117% the mass of the Sun but has expanded to 24.15 times its girth. It shines with a luminosity of 180 L☉ from its enlarged photosphere at an effective temperature of 4,297 K, giving an orange hue. HD 46815 has a metallicity 120% that of the Sun and is believed to be a member of the old disk. Due to it being a giant star, it has a low projected rotational velocity of 2.3 km/s.projected rotational velocity of 2.3 km/s.
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K3 III
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1.68
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180
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1.17
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0.0528
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7.9846
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32.2
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24.15
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2.3
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4297
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| rdfs:comment |
HD 46815，又名CD-36 2990，SAO 196945、HR 2411，是一颗恒星，视星等为5.42，位于銀經244.69，銀緯-18.94，其B1900.0坐标为赤經6h 30m 19.1s，赤緯-36° -18.94′ 26″。
, HD 46815 (HR 2411) is a solitary star in t … HD 46815 (HR 2411) is a solitary star in the southern constellation Columba. It is faintly visible to the naked eye with an apparent magnitude of 5.4 and is estimated to be 408 light years away. However, it is receding with a heliocentric radial velocity of 32.2 km/s.heliocentric radial velocity of 32.2 km/s.
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| rdfs:label |
HD 46815
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