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Alpha Lyncis

α Lyncis
Location of α Lyncis (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Lynx
Right ascension 09h 21m 03.30021s[1]
Declination +34° 23′ 33.2134″[1]
Apparent magnitude (V) +3.14[2]
Characteristics
Evolutionary stage Giant star
Spectral type K7 III[3]
U−B color index +1.95[4]
B−V color index +1.55[4]
Astrometry
Radial velocity (Rv)37.15[5] km/s
Proper motion (μ) RA: −218.723 mas/yr[1]
Dec.: 16.555 mas/yr[1]
Parallax (π)14.7 ± 0.18 mas[1]
Distance220.7+2.9
−2.6 ly
(67.7+0.9
−0.8 pc)[6]
Absolute bolometric
magnitude (Mbol)		–2.32 ± 0.13[7]
Details
Mass1.52±0.077[8] M☉
Radius58.15+0.73
−0.75[9] R☉
Luminosity621.1±15.8[8] L☉
Surface gravity (log g)1.06±0.04[8] cgs
Temperature3,881±20[8] K
Metallicity [Fe/H]−0.26±0.05[8] dex
Rotational velocity (v sin i)6.4[5] km/s
Age1.4[10] Gyr
Other designations
40 Lyncis, HR 3705, HD 80493, BD +35 1979, HIP 45860, SAO 61414, FK5 352, NSV 4456, GC 12880.[11]
Database references
SIMBADdata

Alpha Lyncis (α Lyn, α Lyncis) is the brightest star in the northern constellation of Lynx with an apparent magnitude of +3.13.[4] Unusually, it is the only star in the constellation that has a Bayer designation.[10] Based upon parallax measurements, this star is located about 220 light-years (67 parsecs) from the Earth.[1]

  1. ^ a b c d e Cite error: The named reference DR3 was invoked but never defined (see the help page).
  2. ^ Ducati, J. R. (2002). "VizieR Online Data Catalog: Catalogue of Stellar Photometry in Johnson's 11-color system". CDS/ADC Collection of Electronic Catalogues. 2237. Bibcode:2002yCat.2237....0D.
  3. ^ Cite error: The named reference araa11_29 was invoked but never defined (see the help page).
  4. ^ a b c Cite error: The named reference clpl4_99 was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference aj135_1_209 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference b-j was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference arXiv1010_3649 was invoked but never defined (see the help page).
  8. ^ a b c d e Cite error: The named reference Soubiran2024 was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference baines was invoked but never defined (see the help page).
  10. ^ a b Cite error: The named reference kaler was invoked but never defined (see the help page).
  11. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).

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