For faster navigation, this Iframe is preloading the Wikiwand page for 天市右垣一.

天市右垣一

'天市右垣一 / 河中'
(武仙座 β)
觀測資料
曆元 J2000.0
星座 武仙座
星官 天市垣 天市右垣
赤經 16h 30m 13.1999s[1]
赤緯 +21° 29′ 22.608″[1]
視星等(V) 2.76 ~ 2.81[2]
特性
光谱分类G7III / ?
(binary)[3]
U−B 色指数+0.69[4]
B−V 色指数+0.94[4]
R−I 色指数+0.47[4]
天体测定
徑向速度 (Rv)−25.5 ± 0.9[1] km/s
自行 (μ) 赤经:−98.43[1] mas/yr
赤纬:−14.49[1] mas/yr
视差 (π)22.07 ± 1.00[1] mas
距离148 ± 7 ly
(45 ± 2 pc)
绝对星等 (MV)−0.5[5]
詳細資料
質量Primary / secondary:
2.9 / 0.9[6] M
半徑Primary:
20[3] R
亮度Primary:
175[3] L
溫度Primary:
4900[3] K
軌道[7], Table 3.
繞行週期 (P)410.6 d
半長軸 (a)11.37 ± 0.51 mas
偏心率 (e)0.55
倾斜角 (i)53.8 ± 2.3°
升交点黃經 (Ω)341.9 ± 3.8°
近心点 曆元 (T)15500.4 MJD
近心點幅角 (ω)
(primary)
24.6°
其他命名
Kornephoros, Korneforos, Rutilicus, β Her, Beta Herculis, Beta Her, 27 Herculis, 27 Her, BD+21 2934, CCDM J16302+2129A, FK5 618, GC 22193, HD 148856, HIP 80816, HR 6148, IDS 16260+2142 A, PPM 104935, SAO 84411, WDS 16302+2129A/Aa.[1][4][8]
參考資料庫
SIMBAD资料

天市右垣一 (β Her / 武仙座 β / 武仙座 27 / 河中)的固有名稱是Kornephoros,是武仙座最亮的恆星[3],它的視星等在2.76至2.81等之間變動著[2]

雖然以肉眼觀看它是一顆單獨的恆星,但是W. W. Campbell(坎貝爾)在1899年7月使用分光鏡測量出他朝向太陽的徑向速度會變化,結論是它是兩顆星組成的聯星[9]。在1908年,從額外的光譜測量出聯星的軌道[10]

帕洛馬山天文台,Antoine Labeyrie和其他海爾望遠鏡斑點干涉儀的使用者在1977年分析出這個系統[11]依巴谷衛星觀測主星相對於伴星的軌道運動[12],使用這些測量連同光譜的資料,在2005年計算出軌道。這個系統的週期大約是410天[7]

聯星中的主星是一顆G-型巨星[1]

命名和語源

[编辑]

天市右垣一的西方固有名稱Kornephoros源自希臘,意思是"club bearer"和Rutilicus,對應到拉丁文的單詞titillicus,意思是"腋窩"。

光學的伴星

[编辑]
CCDM J16302+2129B
觀測資料
曆元 J2000.0
星座 武仙座
星官
赤經 16h 29m 55.5830s[13]
赤緯 +21° 29′ 42.516″[13]
視星等(V) 10.7[13]
特性
B−V 色指数0.4[13]
V−R 色指数−2.1[13]
天体测定
自行 (μ) 赤经:−1.60[13] mas/yr
赤纬:11.60[13] mas/yr
位置(相對於A)
觀測曆元1991
角距離247.5 [8]
位置角275° [8]
其他命名
BD+21 2934B, IDS 16260+2142 B, WDS 16302+2129B.[1][8]
參考資料庫
SIMBAD资料

天市右垣一是一顆雙星,CCDM J16302+2129B,伴星的視星等大約是10.7等。它可能是一對光學雙星,而非被河中束縛住的物理雙星I[13][4]

參考資料

[编辑]
  1. ^ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 SV* ZI 1252 -- Spectroscopic binary, database entry, SIMBAD. Accessed on line September 18, 2008.
  2. ^ 2.0 2.1 NSV 7778, database entry, New Catalogue of Suspected Variable Stars, the improved version, Sternberg Astronomical Institute, Moscow, Russia. Accessed on line September 18, 2008.
  3. ^ 3.0 3.1 3.2 3.3 3.4 Kornephoros页面存档备份,存于互联网档案馆), Stars, Jim Kaler. Accessed on line September 18, 2008.
  4. ^ 4.0 4.1 4.2 4.3 4.4 HR 6148, database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50. Accessed on line September 18, 2008.
  5. ^ From apparent magnitude and parallax.
  6. ^ The Visual Orbit, the Stellar Diameter and the Magnitude Difference of the Spectroscopic Binary β Herculis, X. P. Pan, M. Shao, M. M. Colavita, B. E. Hines, J. T. Armstrong, C. S. Denisson, M. Vivekanand, D. Mozurkewich, R. S. Simon, K. J. Johnston, Bulletin of the American Astronomical Society 22 (September 1990), p. 1335, Bibcode1990BAAS...22R1335P.
  7. ^ 7.0 7.1 Astrometric orbits of SB9 stars, S. Jancart, A. Jorissen, C. Babusiaux, and D. Pourbaix, Astronomy and Astrophysics 442, #1 (October 2005), pp. 365–380, doi:10.1051/0004-6361:20053003, Bibcode2005A&A...442..365J.
  8. ^ 8.0 8.1 8.2 8.3 Entry 16302+2129, The Washington Double Star Catalog 互联网档案馆存檔,存档日期2008-04-13., United States Naval Observatory. Accessed on line September 18, 2008.
  9. ^ The variable velocity of β Herculis in the line of sight, W. W. Campbell, Astrophysical Journal 11 (1900), p. 140, Bibcode1900ApJ....11..140C, doi:10.1086/140674.
  10. ^ The orbit of β Herculis, H. C. Plummer, Lick Observatory Bulletin 5 (1908), pp. 24–26, Bibcode1908LicOB...5...24P.
  11. ^ The digital speckle interferometer: preliminary results on 59 stars and 3C 27, A. Blazit, D. Bonneau, L. Koechlin, and A. Labeyrie, Astrophysical Journal Letters 214 (June 1, 1977), pp. L79–L84, Bibcode1977ApJ...214L..79B.
  12. ^ HIP 80816页面存档备份,存于互联网档案馆), database entry, The Hipparcos and Tycho Catalogues, ESA, 1997, CDS ID I/239页面存档备份,存于互联网档案馆).
  13. ^ 13.0 13.1 13.2 13.3 13.4 13.5 13.6 13.7 BD+21 2934B -- Star in double system, database entry, SIMBAD. Accessed on line September 18, 2008.
{{bottomLinkPreText}} {{bottomLinkText}}
天市右垣一
Listen to this article

This browser is not supported by Wikiwand :(
Wikiwand requires a browser with modern capabilities in order to provide you with the best reading experience.
Please download and use one of the following browsers:

This article was just edited, click to reload
This article has been deleted on Wikipedia (Why?)

Back to homepage

Please click Add in the dialog above
Please click Allow in the top-left corner,
then click Install Now in the dialog
Please click Open in the download dialog,
then click Install
Please click the "Downloads" icon in the Safari toolbar, open the first download in the list,
then click Install
{{::$root.activation.text}}

Install Wikiwand

Install on Chrome Install on Firefox
Don't forget to rate us

Tell your friends about Wikiwand!

Gmail Facebook Twitter Link

Enjoying Wikiwand?

Tell your friends and spread the love:
Share on Gmail Share on Facebook Share on Twitter Share on Buffer

Our magic isn't perfect

You can help our automatic cover photo selection by reporting an unsuitable photo.

This photo is visually disturbing This photo is not a good choice

Thank you for helping!


Your input will affect cover photo selection, along with input from other users.

X

Get ready for Wikiwand 2.0 🎉! the new version arrives on September 1st! Don't want to wait?