弧矢增十七

弧矢增十七Xi Puppisξ Puppis,縮寫Xi Pupξ Pup)是位於南天星座船尾座多星系統。它是這個星座中較亮的成員之一,視星等為3.35等[2]。根據在依巴谷任務期間進行的視差測量,它與太陽的距離大約為1,200光年(370秒差距),誤差約為7.5%[1]

弧矢增十七(ξ Puppis)
弧矢增十七的位置(紅圈)
觀測資料
曆元 J2000
星座 船尾座
星官
赤經 07h 49m 17.65567s[1]
赤緯 −24° 51′ 35.2305″[1]
視星等(V) 3.35[2]
特性
光譜分類G6 Iab-Ib[3]
U−B 色指數+1.18[2]
B−V 色指數+1.25[2]
天體測定
徑向速度 (Rv)+2.7[4] km/s
自行 (μ) 赤經:−4.81[1] mas/yr
赤緯:−0.89[1] mas/yr
視差 (π)2.72 ± 0.21[1] mas
距離1,200 ± 90 ly
(370 ± 30 pc)
絕對星等 (MV)–4.73[5]
詳細資料
質量9.9 ± 1.0[3] M
表面重力 (log g)1.21 ± 0.09[3]
亮度60,000[6] L
溫度4,880 ± 150[3] K
金屬量 [Fe/H]+0.24[7] dex
自轉速度 (v sin i)9.2[8] km/s
年齡23[3] Myr
其他命名
Azmidi、Azmidiske、Asmidiske、ξ Puppis、ξ Pup、 Xi Pup、7 Puppis、CCDM J07493-2452A、CPD−24  2939、 FK5 1204、GC 10562、HD 63700、HIP 38170、HR 3045、IDS 07451-2437 A、PPM 253258、SAO 174601、WDS J07493-2452A.
參考資料庫
SIMBAD資料

該系統由一個光譜聯星組成,標示為弧矢增十七A船尾座Xi A[9],與第三顆恆星弧矢增十七B船尾座Xi B)。弧矢增十七A 的兩顆恆星分別標示為弧矢增十七A a(正式命名為"Azmidi"/ˈæzmɪdi/)[10])和弧矢增十七Ab

命名法

參考資料

  1. ^ 1.0 1.1 1.2 1.3 1.4 1.5 van Leeuwen, F., Validation of the new Hipparcos reduction, Astronomy and Astrophysics, November 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 2.3 Johnson, H. L.; et al, UBVRIJKL photometry of the bright stars, Communications of the Lunar and Planetary Laboratory, 1966, 4 (99): 99, Bibcode:1966CoLPL...4...99J 
  3. ^ 3.0 3.1 3.2 3.3 3.4 Lyubimkov, Leonid S.; et al, Accurate fundamental parameters for A-, F- and G-type Supergiants in the solar neighbourhood, Monthly Notices of the Royal Astronomical Society, February 2010, 402 (2): 1369–1379, Bibcode:2010MNRAS.402.1369L, S2CID 119096173, arXiv:0911.1335 , doi:10.1111/j.1365-2966.2009.15979.x 
  4. ^ Wilson, R. E. General Catalogue of Stellar Radial Velocities. Carnegie Institute Washington D.C. Publication (Carnegie Institute of Washington D.C.). 1953. Bibcode:1953GCRV..C......0W. 
  5. ^ Luck, R. E., The chemical composition of late-type supergiants. IV - Homogeneous abundances and galactic metallicity trends, Astrophysical Journal, Part 1, 1982-05-01, 256: 177–188, Bibcode:1982ApJ...256..177L, doi:10.1086/159895 
  6. ^ Reimers, D.; Huensch, M.; Schmitt, J. H. M. M.; Toussaint, F. Hybrid stars and the reality of "dividing lines" among G to K bright giants and supergiants. Astronomy and Astrophysics. 1996, 310: 813. Bibcode:1996A&A...310..813R. 
  7. ^ Malagnini, M. L.; Morossi, C.; Buzzoni, A.; Chavez, M. Observations and Atmospheric Parameters of Super-Metal-rich Candidates. The Publications of the Astronomical Society of the Pacific. 2000, 112 (777): 1455. Bibcode:2000PASP..112.1455M. doi:10.1086/317714 . 
  8. ^ De Medeiros, J. R.; Udry, S.; Burki, G.; Mayor, M. A catalog of rotational and radial velocities for evolved stars. II. Ib supergiant stars. Astronomy and Astrophysics. 2002, 395: 97–98. Bibcode:2002A&A...395...97D. arXiv:1312.3474 . doi:10.1051/0004-6361:20021214. 
  9. ^ Washington Double Star Catalog. United States Naval Observatory. [2018-06-20]. (原始內容存檔於2011-02-14). 
  10. ^ Naming Stars. IAU.org. [2018-06-18]. (原始內容存檔於2020-04-11). 

外部連結