Wikidata facts
- Distance from Earth
- 380.677
- Radius
- 120
Show 14 more facts
- spectral class
- K5
- catalog code
- UBV M 23403
- apparent magnitude
- 4.470633
- radial velocity
- -17.355
- effective temperature
- 4220
- parallax
- 2.6269
- metallicity
- -0.03
- stellar rotational velocity
- 10
- surface gravity
- 162
- luminosity
- 2228
- right ascension component of proper motion
- 6.232
- declination component of proper motion
- 9.4
- right ascension
- 285.00344026273
- declination
- 32.1455132119
Sources (2)
via Wikidata · CC0
Article · 中文
天琴座λ,又名BD+31 3424,HD 176670、SAO 67682、HR 7192,是天琴座的一颗恒星,视星等为4.93,位于銀經62.91,銀緯12.38,其B1900.0坐标为赤經18h 56m 14.4s,赤緯+32° 12.38′ 20″。该星是一个橙红色亮巨星,距离我们1550光年。绝对星等为-3.7.总的辐射能量预计为太阳的8000倍,该星表面温度为4250K,远低于太阳,因此该星之所以有如此高的亮度均得益于巨大的体积。该星的直径为太阳的170倍,根据光度推算其质量为8个太阳质量。
Abstract from DBpedia / Wikipedia · CC BY-SA
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