| 词条 | HD 18970 |
| 释义 |
| name = HD 18970 }}{{Starbox image |image={{Location mark |image=Perseus constellation map.svg|alt=|float=center|width=280 |label=|position=right |mark=Red circle.svg|mark_width=10|mark_link=k Persei |x=615|y=225 }} |caption=Location of k Persei (circled) }}{{Starbox observe | epoch = J2000 | constell = Perseus | ra = {{RA|03|05|32.41223}}[1] | dec = {{DEC|56|42|20.5858}}[1] | appmag_v = 4.77[2] }}{{Starbox character | class = G9.5III[3] | b-v = +1.02[4] | u-b = +0.85[4] }}{{Starbox astrometry | radial_v = -46.37[5] | prop_mo_ra = -12.72[1] | prop_mo_dec = +70.04[1] | parallax = 15.45 | p_error = 0.27 | parallax_footnote = [1] | absmag_v = 0.72[2] }}{{Starbox detail | mass = 1.53[6] | radius = 11[6] | temperature = 4,900[7] | luminosity = 63.48[2] | rotational_velocity = < 1.0[8] | gravity = 2.54[6] | metal_fe = -0.08[2] }}{{Starbox catalog | names = k Persei, BD+56°767, FK5 2217, GC 3674, HIP 14382, HR 918, HD 18970, SAO 23791 }}{{Starbox reference | Simbad = k+Persei }}{{Starbox end}}HD 18970 is a class G9.5III[3] (yellow giant) star in the constellation Perseus. Its apparent magnitude is 4.77[2] and it is approximately 211 light years away based on parallax.[1] References1. ^1 2 3 4 5 {{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 {{Stars of Perseus}}{{Giant-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=2006yCat.2168....0M | title=VizieR Online Data Catalog: Homogeneous Means in the UBV System (Mermilliod 1991) | journal=VizieR On-line Data Catalog: II/168. Originally published in: Institut d'Astronomie | volume=2168 | author1=Mermilliod | first1=J. C. | year=2006 }}Vizier catalog entry 5. ^{{cite journal | doi=10.1051/0004-6361:20041272 | bibcode=2005A&A...430..165F | arxiv=astro-ph/0409579 | title=Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data | journal=Astronomy & Astrophysics | volume=430 | pages=165 | year=2005 | last1=Famaey | first1=B. | last2=Jorissen | first2=A. | last3=Luri | first3=X. | last4=Mayor | first4=M. | last5=Udry | first5=S. | last6=Dejonghe | first6=H. | last7=Turon | first7=C. }} 6. ^1 2 {{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 7. ^{{cite journal | bibcode=2008AstL...34..785G | doi=10.1134/S1063773708110078 | arxiv=1607.00619 | title=Red giant clump in the Tycho-2 catalogue | journal=Astronomy Letters | volume=34 | issue=11 | pages=785 | year=2009 | last1=Gontcharov | first1=G. A. }} Vizier catalog entry 8. ^{{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 7 : Perseus (constellation)|G-type giants|Bayer objects|Durchmusterung objects|Hipparcos objects|HR objects|Henry Draper Catalogue objects |
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