HR 5553

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HR 5553
Observation data
Epoch 2000      Equinox 2000
Constellation Boötes
Right ascension 14h 53m 23.8s
Declination +19° 09' 10.1"
Apparent magnitude (V) 6.00
Characteristics
Spectral type K2 V/?
U−B color index 0.50
B−V color index 0.84
R−I color index 0.42
Astrometry
Radial velocity (Rv) -31.0 km/s
Proper motion (μ) RA: -442.75 mas/yr
Dec.: 216.84 mas/yr
Parallax (π) 86.68 ± 0.80 mas
Distance 37.6 ± 0.3 ly
(11.5 ± 0.1 pc)
Absolute magnitude (MV) 5.68
Details
Age (0.7–1.3) × 109[1] years
Other designations
DE Boötis, BD+19 2881, GJ 567, HD 131511, HIP 72848, LHS 5279, Nstars 1453+1909

HR 5553 is a binary star system located thirty-eight light-years away, in the constellation Boötes. The A component is an orange, main sequence (K2 V) star.

References[edit]

  1. ^ Mamajek, Eric E.; Hillenbrand, Lynne A. (November 2008). "Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics". The Astrophysical Journal 687 (2): 1264–1293. arXiv:0807.1686. Bibcode:2008ApJ...687.1264M. doi:10.1086/591785. 

External links[edit]