HD 180262是在赤道星座天鹰座的一对宽距双星。 这一对角距离为89.823[3]

HD 180262
观测资料
历元 J2000
星座 天鹰座
星官
赤经 19h 15m 20.08999s[1]
赤纬 +15° 05′ 01.1456″[1]
视星等(V) 5.57[2] (5.75 + 7.69)[3]
特性
光谱分类G8II-III + A1V[3]
U−B 色指数+0.85[2]
B−V 色指数+1.10[2]
R−I 色指数0.54
天体测定
径向速度 (Rv)−25.2[4] km/s
自行 (μ) 赤经:+0.55[1] mas/yr
赤纬:−11.10[1] mas/yr
视差 (π)5.32 ± 0.9[1] mas
距离approx. 600 ly
(approx. 190 pc)
详细资料
HD 180262 A
半径50[5] R
表面重力 (log g)2.0[6]
亮度323[7] L
温度4,308[8] K
金属量 [Fe/H]0.21[8] dex
自转速度 (v sin i)1.4[6] km/s
其他命名
BD+14° 3846、HD 180262、HIP 94624、HR 7300、SAO 104655
参考数据库
SIMBAD资料
参考数据库
SIMBAD资料

参考资料

  1. ^ 1.0 1.1 1.2 1.3 1.4 van Leeuwen, F. Validation of the new Hipparcos reduction. Astronomy and Astrophysics. 2007, 474 (2): 653–664. Bibcode:2007A&A...474..653V. S2CID 18759600. arXiv:0708.1752 . doi:10.1051/0004-6361:20078357. 
  2. ^ 2.0 2.1 2.2 Mermilliod, J.-C., Compilation of Eggen's UBV data, transformed to UBV (unpublished), Catalogue of Eggen's UBV Data. SIMBAD, 1986, Bibcode:1986EgUBV........0M 
  3. ^ 3.0 3.1 3.2 Eggleton, P. P.; Tokovinin, A. A., A catalogue of multiplicity among bright stellar systems, Monthly Notices of the Royal Astronomical Society, September 2008, 389 (2): 869–879, Bibcode:2008MNRAS.389..869E, S2CID 14878976, arXiv:0806.2878 , doi:10.1111/j.1365-2966.2008.13596.x 
  4. ^ Gontcharov, G. A. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system. Astronomy Letters. November 2006, 32 (11): 759–771. Bibcode:2006AstL...32..759G. S2CID 119231169. arXiv:1606.08053 . doi:10.1134/S1063773706110065. 
  5. ^ Pasinetti Fracassini, L. E.; et al, Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics, Astronomy and Astrophysics, February 2001, 367 (2): 521–524, Bibcode:2001A&A...367..521P, S2CID 425754, arXiv:astro-ph/0012289 , doi:10.1051/0004-6361:20000451 
  6. ^ 6.0 6.1 Lèbre, A.; de Laverny, P.; Do Nascimento, J. D. Jr.; de Medeiros, J. R., Lithium abundances and rotational behavior for bright giant stars, Astronomy and Astrophysics, May 2006, 450 (3): 1173–1179, Bibcode:2006A&A...450.1173L, doi:10.1051/0004-6361:20053485  
  7. ^ McDonald, I.; et al, Fundamental Parameters and Infrared Excesses of Hipparcos Stars, Monthly Notices of the Royal Astronomical Society, 2012, 427 (1): 343–57, Bibcode:2012MNRAS.427..343M, S2CID 118665352, arXiv:1208.2037 , doi:10.1111/j.1365-2966.2012.21873.x 
  8. ^ 8.0 8.1 Greenstein, Jesse L.; Keenan, Philip C., Abundances of Metals, CN, and CH in Giant Stars, Astrophysical Journal, January 1958, 127: 172, Bibcode:1958ApJ...127..172G, doi:10.1086/146449  

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