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厕四

厕四(天兔座δ)是位于天兔座的恒星,其视星等为3.85,距地球114光年。

厕四
觀測資料
曆元 J2000.0
星座 天兔座
星官
赤經 05h 51m 19.29613s[1]
赤緯 −20° 52′ 44.7232″[1]
視星等(V) 3.85[2]
特性
光谱分类K1 IV Fe−0.5[3] or K0 IIIb Fe−1.5 CH0.5[4]
U−B 色指数+0.71[2]
B−V 色指数+0.98[2]
天体测定
徑向速度 (Rv)+100.20[5] km/s
自行 (μ) 赤经:+229.49[1] mas/yr
赤纬:−648.41[1] mas/yr
视差 (π)28.68 ± 0.17[1] mas
距离113.7 ± 0.7 ly
(34.9 ± 0.2 pc)
绝对星等 (MV)+1.04[6]
詳細資料
質量0.94[6] M
半徑10[7] R
表面重力 (log g)2.46±0.23[8]
亮度45.7[6] L
溫度4,660±84[8] K
金属量 [Fe/H]−0.74±0.09[8] dex
自轉速度 (v sin i)0[9] km/s
年齡10.7[6] Gyr
其他命名
 Lep、​15 Lep、​BD−20° 1211、​FK5 222、​GC 7362、​HD 39364、​HIP 27654、​HR 2035、​SAO 170926、​LHS 1792[10]
參考資料庫
SIMBAD资料


参考文献 编辑

  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, arXiv:0708.1752 , doi:10.1051/0004-6361:20078357. 
  2. ^ 2.0 2.1 2.2 Ducati, J. R., VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system, CDS/ADC Collection of Electronic Catalogues, 2002, 2237, Bibcode:2002yCat.2237....0D. 
  3. ^ Gray, R. O.; et al, Contributions to the Nearby Stars (NStars) Project: spectroscopy of stars earlier than M0 within 40 pc-The Southern Sample, The Astronomical Journal, July 2006, 132 (1): 161–170, Bibcode:2006AJ....132..161G, arXiv:astro-ph/0603770 , doi:10.1086/504637. 
  4. ^ Keenan, Philip C.; McNeil, Raymond C., The Perkins catalog of revised MK types for the cooler stars, Astrophysical Journal Supplement Series, 1989, 71: 245, Bibcode:1989ApJS...71..245K, doi:10.1086/191373. 
  5. ^ 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, arXiv:1606.08053 , doi:10.1134/S1063773706110065. 
  6. ^ 6.0 6.1 6.2 6.3 Takeda, Yoichi; et al, Stellar Parameters and Elemental Abundances of Late-G Giants, Publications of the Astronomical Society of Japan, August 2008, 60 (4): 781–802, Bibcode:2008PASJ...60..781T, arXiv:0805.2434 , doi:10.1093/pasj/60.4.781. 
  7. ^ Lang, Kenneth R., Astrophysical formulae, Astronomy and astrophysics library 1 3rd, Birkhäuser, 2006 [2018-02-25], ISBN 3-540-29692-1, (原始内容于2019-05-20).  The radius (R*) is given by:
     
  8. ^ 8.0 8.1 8.2 Sharma, Kaushal; et al, New atmospheric parameters and spectral interpolator for the MILES cool stars, Astronomy & Astrophysics, 2016, 585: 27, Bibcode:2016A&A...585A..64S, arXiv:1512.04882 , doi:10.1051/0004-6361/201526111, A64. 
  9. ^ Uesugi, Akira; Fukuda, Ichiro, Catalogue of rotational velocities of the stars, Contributions from the Institute of Astrophysics and Kwasan Observatory (University of Kyoto), 1970, Bibcode:1970crvs.book.....U. 
  10. ^ del Lep. SIMBAD. 斯特拉斯堡天文資料中心. [2017-08-18]. 

厕四, 天兔座δ, 是位于天兔座的恒星, 其视星等为3, 距地球114光年, 觀測資料曆元, j2000, 0星座, 天兔座星官赤經, 29613s, 赤緯, 7232, 視星等, 特性光谱分类k1, iiib, 色指数, 色指数, 天体测定徑向速度, s自行, 赤经, 赤纬, yr视差, mas距离113, 绝对星等, 詳細資料質量0, 半徑10, 表面重力, 7000246000000000000, 亮度45, 溫度7003466000000000000, k金属量, 3000260000000000000, . 厕四 天兔座d 是位于天兔座的恒星 其视星等为3 85 距地球114光年 厕四 觀測資料曆元 J2000 0星座 天兔座星官赤經 05h 51m 19 29613s 1 赤緯 20 52 44 7232 1 視星等 V 3 85 2 特性光谱分类K1 IV Fe 0 5 3 or K0 IIIb Fe 1 5 CH0 5 4 U B 色指数 0 71 2 B V 色指数 0 98 2 天体测定徑向速度 Rv 100 20 5 km s自行 m 赤经 229 49 1 mas yr 赤纬 648 41 1 mas yr视差 p 28 68 0 17 1 mas距离113 7 0 7 ly 34 9 0 2 pc 绝对星等 MV 1 04 6 詳細資料質量0 94 6 M 半徑10 7 R 表面重力 log g 7000246000000000000 2 46 0 23 8 亮度45 7 6 L 溫度7003466000000000000 4 660 84 8 K金属量 Fe H 3000260000000000000 0 74 0 09 8 dex自轉速度 v sin i 0 9 km s年齡10 7 6 Gyr其他命名 Lep 15 Lep BD 20 1211 FK5 222 GC 7362 HD 39364 HIP 27654 HR 2035 SAO 170926 LHS 1792 10 參考資料庫SIMBAD资料参考文献 编辑 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 amp A 474 653V arXiv 0708 1752 nbsp doi 10 1051 0004 6361 20078357 2 0 2 1 2 2 Ducati J R VizieR Online Data Catalog Catalogue of Stellar Photometry in Johnson s 11 color system CDS ADC Collection of Electronic Catalogues 2002 2237 Bibcode 2002yCat 2237 0D Gray R O et al Contributions to the Nearby Stars NStars Project spectroscopy of stars earlier than M0 within 40 pc The Southern Sample The Astronomical Journal July 2006 132 1 161 170 Bibcode 2006AJ 132 161G arXiv astro ph 0603770 nbsp doi 10 1086 504637 Keenan Philip C McNeil Raymond C The Perkins catalog of revised MK types for the cooler stars Astrophysical Journal Supplement Series 1989 71 245 Bibcode 1989ApJS 71 245K doi 10 1086 191373 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 arXiv 1606 08053 nbsp doi 10 1134 S1063773706110065 6 0 6 1 6 2 6 3 Takeda Yoichi et al Stellar Parameters and Elemental Abundances of Late G Giants Publications of the Astronomical Society of Japan August 2008 60 4 781 802 Bibcode 2008PASJ 60 781T arXiv 0805 2434 nbsp doi 10 1093 pasj 60 4 781 Lang Kenneth R Astrophysical formulae Astronomy and astrophysics library 1 3rd Birkhauser 2006 2018 02 25 ISBN 3 540 29692 1 原始内容存档于2019 05 20 The radius R is given by 2 R 34 9 2 63 10 3 AU 0 0046491 AU R 19 7 R displaystyle begin aligned 2 cdot R amp frac 34 9 cdot 2 63 cdot 10 3 text AU 0 0046491 text AU R bigodot amp approx 19 7 cdot R bigodot end aligned nbsp 8 0 8 1 8 2 Sharma Kaushal et al New atmospheric parameters and spectral interpolator for the MILES cool stars Astronomy amp Astrophysics 2016 585 27 Bibcode 2016A amp A 585A 64S arXiv 1512 04882 nbsp doi 10 1051 0004 6361 201526111 A64 Uesugi Akira Fukuda Ichiro Catalogue of rotational velocities of the stars Contributions from the Institute of Astrophysics and Kwasan Observatory University of Kyoto 1970 Bibcode 1970crvs book U del Lep SIMBAD 斯特拉斯堡天文資料中心 2017 08 18 取自 https zh wikipedia org w index php title 厕四 amp oldid 70219065, 维基百科,wiki,书籍,书籍,图书馆,

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