| 词条 | 41 Ophiuchi |
| 释义 |
| name = 41 Ophiuchi }}{{Starbox image |image={{Location mark |image=Ophiuchus constellation map.svg|alt=|float=center|width=280 |label=|position=right |mark=Red circle.svg|mark_width=10|mark_link=41 Ophiuchi |x=505|y=389 }} |caption=Location of 41 Ophiuchi (circled) }}{{Starbox observe | epoch = J2000 | constell = Ophiuchus | ra = {{RA|17|16|36.687}}[1] | dec = {{DEC|0|26|43.15}}[1] | appmag_v = 4.72[2] (4.92 / 7.51)[4] }}{{Starbox character | class = K2III[3] | b-v = +1.15[4] | u-b = +1.11[4] }}{{Starbox astrometry | radial_v = -0.16[5] | prop_mo_ra = -31.46[6] | prop_mo_dec = -63.13[6] | parallax = 15.85 | p_error = 0.57 | parallax_footnote = [6] | absmag_v = 0.72[2] }}{{Starbox orbit | reference = [7] | period = 140.76 ± 0.23 | axis = 0.959 ± 0.008 | inclination = 65.1 ± 0.0 | node = 220.5 ± 0.0 | periastron = B 1890.53 ± 0.36 | eccentricity = 0.866 ± 0.003 | periarg = 287.5 ± 0.0 }}{{Starbox detail | mass = 1.60[8] | radius = 13[8] | temperature = 4,571[8] | luminosity = 69.92[2] | rotational_velocity = < 1.0[9] | gravity = 2.42[8] | metal_fe = +0.06[2] }}{{Starbox catalog | names = BD-00°3255, CCDM J17166-0027AB, GC 23320, HIP 84514, HR 6415, HD 156266, SAO 141586, WDS J17166-0027AB }}{{Starbox reference | Simbad = 41+Ophiuchi }}{{Starbox end}}41 Ophiuchi is a class K2III[3] (orange giant) star in the constellation Ophiuchus. Its apparent magnitude is 4.72[2] and it is approximately 206 light years away based on parallax.[6] A binary star, it has one companion, B, with magnitude 7.51 and a period of 206.3 years and eccentricity 0.55.[10][11] References1. ^1 {{cite journal | bibcode=2000A&A...355L..27H | title=The Tycho-2 catalogue of the 2.5 million brightest stars | journal=Astronomy and Astrophysics | volume=355 | pages=L27 | author1=Høg | first1=E. | last2=Fabricius | first2=C. | last3=Makarov | first3=V. V. | last4=Urban | first4=S. | last5=Corbin | first5=T. | last6=Wycoff | first6=G. | last7=Bastian | first7=U. | last8=Schwekendiek | first8=P. | last9=Wicenec | first9=A. | year=2000 }} {{Stars of Ophiuchus}}{{Giant-star-stub}}{{multi-star-stub}}2. ^1 2 3 4 {{cite journal | bibcode=2012AstL...38..331A | doi=10.1134/S1063773712050015 | arxiv=1108.4971 | title=XHIP: An extended hipparcos compilation | journal=Astronomy Letters | volume=38 | issue=5 | pages=331 | year=2012 | last1=Anderson | first1=E. | last2=Francis | first2=Ch. }} Vizier catalog entry 3. ^1 {{cite journal | bibcode=1995yCat.5050....0H | title=VizieR Online Data Catalog: Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991) | journal=VizieR On-line Data Catalog: V/50. Originally published in: 1964BS....C......0H | volume=5050 | author1=Hoffleit | first1=D. | last2=Warren | first2=W. H. | year=1995 }} 4. ^1 {{cite journal | bibcode=2014JAVSO..42..443M | title=Sloan Magnitudes for the Brightest Stars | journal=The Journal of the American Association of Variable Star Observers | volume=42 | pages=443 | author1=Mallama | first1=A. | year=2014 }}Vizier catalog entry 5. ^{{cite journal | bibcode=2008AJ....135..209M | doi=10.1088/0004-6256/135/1/209 | title=Rotational and Radial Velocities for a Sample of 761 Hipparcos Giants and the Role of Binarity | journal=The Astronomical Journal | volume=135 | pages=209 | year=2008 | last1=Massarotti | first1=Alessandro | last2=Latham | first2=David W. | last3=Stefanik | first3=Robert P. | last4=Fogel | first4=Jeffrey }} 6. ^1 2 3 {{cite journal | arxiv=0708.1752 | bibcode=2007A&A...474..653V | doi=10.1051/0004-6361:20078357 | title=Validation of the new Hipparcos reduction | journal=Astronomy and Astrophysics | volume=474 | issue=2 | pages=653 | year=2007 | last1=Van Leeuwen | first1=F. }} Vizier catalog entry 7. ^1 {{cite web|url=http://www.usno.navy.mil/USNO/astrometry/optical-IR-prod/wds/orb6|title=Sixth Catalog of Orbits of Visual Binary Stars|publisher=United States Naval Observatory|accessdate=28 May 2017}} 8. ^1 2 3 {{cite journal | bibcode=1999A&A...352..555A | arxiv=astro-ph/9911002 | title=Fundamental parameters of nearby stars from the comparison with evolutionary calculations: Masses, radii and effective temperatures | journal=Astronomy and Astrophysics | volume=352 | pages=555 | author1=Allende Prieto | first1=C. | last2=Lambert | first2=D. L. | year=1999 }} Vizier catalog entry 9. ^{{cite journal | bibcode=2014A&A...561A.126D | doi=10.1051/0004-6361/201220762 | arxiv=1312.3474 | title=A catalog of rotational and radial velocities for evolved stars | journal=Astronomy & Astrophysics | volume=561 | pages=A126 | year=2014 | last1=De Medeiros | first1=J. R. | last2=Alves | first2=S. | last3=Udry | first3=S. | last4=Andersen | first4=J. | last5=Nordström | first5=B. | last6=Mayor | first6=M. }} Vizier catalog entry 10. ^{{cite journal | bibcode=2012A&A...546A..69M | doi=10.1051/0004-6361/201219774 | title=Dynamical masses of a selected sample of orbital binaries | journal=Astronomy & Astrophysics | volume=546 | pages=A69 | year=2012 | last1=Malkov | first1=O. Yu. | last2=Tamazian | first2=V. S. | last3=Docobo | first3=J. A. | last4=Chulkov | first4=D. A. }} Vizier catalog entry 11. ^{{cite journal | bibcode=2001AJ....122.3466M | doi=10.1086/323920 | title=The 2001 US Naval Observatory Double Star CD-ROM. I. The Washington Double Star Catalog | journal=The Astronomical Journal | volume=122 | issue=6 | pages=3466 | year=2001 | last1=Mason | first1=Brian D. | last2=Wycoff | first2=Gary L. | last3=Hartkopf | first3=William I. | last4=Douglass | first4=Geoffrey G. | last5=Worley | first5=Charles E. }} Vizier catalog entry 8 : Ophiuchus (constellation)|K-type giants|Durchmusterung objects|Flamsteed objects|Hipparcos objects|HR objects|Henry Draper Catalogue objects|Binary stars |
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