| 词条 | HD 21278 |
| 释义 |
| name = HD 21278 }}{{Starbox image |image={{Location mark |image=Perseus constellation map.svg|alt=|float=center|width=280 |label=|position=right |mark=Red circle.svg|mark_width=8|mark_link=HD 21278 |x=533|y=443 }} |caption=Location of HD 21278 (circled) }}{{Starbox observe | epoch = J2000 | constell = Perseus | ra = {{RA|03|28|03.07027}}[1] | dec = {{DEC|49|03|46.3186}}[1] | appmag_v = 4.99[2] }}{{Starbox character | class = B5V[3] | b-v = -0.10[4] | u-b = -0.56[4] }}{{Starbox astrometry | radial_v = +1.20[5] | prop_mo_ra = +22.59[1] | prop_mo_dec = -26.85[1] | parallax = 6.22 | p_error = 0.28 | parallax_footnote = [1] | absmag_v = -1.49[6] }}{{Starbox detail | temperature = 14,970[6] | luminosity = 940[6] | rotational_velocity = 50[7] | metal_fe = 0.00[8] }}{{Starbox catalog | names = BD+48°920, GC 4108, HIP 16147, HR 1034, HD 21278, SAO 38849 }}{{Starbox reference | Simbad = HR+1034 }}{{Starbox end}}HD 21278 is a class B5V[3] (blue main-sequence) star in the constellation Perseus. Its apparent magnitude is 4.99[2] and it is approximately 520 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}}{{Main-star-stub}}2. ^1 {{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=2004A&A...424..727P | doi=10.1051/0004-6361:20041213 | arxiv=astro-ph/0406573 | title=SB9: The ninth catalogue of spectroscopic binary orbits | journal=Astronomy and Astrophysics | volume=424 | issue=2 | pages=727 | year=2004 | last1=Pourbaix | first1=D. | last2=Tokovinin | first2=A. A. | last3=Batten | first3=A. H. | last4=Fekel | first4=F. C. | last5=Hartkopf | first5=W. I. | last6=Levato | first6=H. | last7=Morrell | first7=N. I. | last8=Torres | first8=G. | last9=Udry | first9=S. }} 6. ^1 2 {{cite journal | bibcode=2014A&A...566A.132S | doi=10.1051/0004-6361/201321468 | arxiv=1407.4531 | title=Accurate age determinations of several nearby open clusters containing magnetic Ap stars | journal=Astronomy & Astrophysics | volume=566 | pages=A132 | year=2014 | last1=Silaj | first1=J. | last2=Landstreet | first2=J. D. }} 7. ^{{cite journal | bibcode=2002ApJ...573..359A | doi=10.1086/340590 | title=Rotational Velocities of B Stars | journal=The Astrophysical Journal | volume=573 | pages=359 | year=2002 | last1=Abt | first1=Helmut A. | last2=Levato | first2=Hugo | last3=Grosso | first3=Monica }} 8. ^{{cite journal | bibcode=2012AstL...38..771G | doi=10.1134/S1063773712120031 | arxiv=1606.08814 | title=Dependence of kinematics on the age of stars in the solar neighborhood | journal=Astronomy Letters | volume=38 | issue=12 | pages=771 | year=2012 | last1=Gontcharov | first1=G. A. }} Vizier catalog entry 6 : Perseus (constellation)|B-type main-sequence stars|Durchmusterung objects|Hipparcos objects|HR objects|Henry Draper Catalogue objects |
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