60 Leonis

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60 Leonis
Observation data
Epoch J2000      Equinox J2000
Constellation Leo
Right ascension 11h 02m 19.77577s[1]
Declination +20° 10′ 47.4265″[1]
Apparent magnitude (V) 4.398[2]
Characteristics
Evolutionary stage A1 Vm[3]
U−B color index +0.05[4]
B−V color index +0.07[4]
Astrometry
Radial velocity (Rv) -11.10 ± 0.7[5] km/s
Proper motion (μ) RA: -8.67[1] mas/yr
Dec.: 39.07[1] mas/yr
Parallax (π) 25.73 ± 0.18[1] mas
Distance 126.8 ± 0.9 ly
(38.9 ± 0.3 pc)
Details[6]
Mass 2.11 ± 0.06 M
Radius 1.80 ± 0.07 R
Luminosity 24.1 ± 1.4 L
Surface gravity (log g) 4.22 ± 0.20 cgs
Temperature 9540 ± 180 K
Metallicity [Fe/H] 0.00 ± 0.10 dex
Rotational velocity (v sin i) 18 ± 7 km/s
Age 195 ± 15 Myr
Other designations
b Leo, BD+20° 2547, FK5 2880, HD 95608, HIP 53954, HR 4300, SAO 81637
Database references
SIMBAD data

60 Leonis (60 Leo) is a peculiar star in the constellation Leo. Its apparent magnitude is 4.398.[2]

References[edit]

  1. ^ a b c d e "* b Leo". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 6 October 2012. 
  2. ^ a b Høg, E.; et al. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. 355: L27–L30. Bibcode:2000A&A...355L..27H. 
  3. ^ Sreedhar Rao, S.; Abhyankar, K. D. (1991). "MK morphological study of AM stars at 66 A/mm". Journal of Astrophysics and Astronomy. 12 (2): 133. Bibcode:1991JApA...12..133S. doi:10.1007/BF02709302. 
  4. ^ a b Mermilliod, J.-C. (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Bibcode:1986EgUBV........0M. 
  5. ^ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053Freely accessible. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065. 
  6. ^ Maestro, V.; Che, X.; Huber, D.; Ireland, M. J.; Monnier, J. D.; White, T. R.; Kok, Y.; Robertson, J. G.; Schaefer, G. H.; Brummelaar, T. A. T.; Tuthill, P. G. (2013). "Optical interferometry of early-type stars with PAVO@CHARA - I. Fundamental stellar properties". Monthly Notices of the Royal Astronomical Society. 434 (2): 1321. arXiv:1306.5937Freely accessible. Bibcode:2013MNRAS.434.1321M. doi:10.1093/mnras/stt1092.