45 Boötis

45 Boötis
Observation data
Epoch J2000      Equinox J2000
Constellation Boötes
Right ascension 15h 07m 18.0659s
Declination +24° 52′ 09.104″
Apparent magnitude (V) 4.93[1]
Characteristics
Spectral type F5 V[1]
U−B color index -0.02
B−V color index +0.43[1]
R−I color index 0.21
Astrometry
Radial velocity (Rv)-7.3 km/s
Proper motion (μ) RA: 184.81 mas/yr
Dec.: -163.51 mas/yr
Parallax (π)50.7 ± 0.76 mas
Distance64.3 ± 1.0 ly
(19.7 ± 0.3 pc)
Absolute magnitude (MV)3.96[2]
Details
Mass1.4[1] M☉
Radius1.1[1] R☉
Luminosity2.1[1] L☉
Surface gravity (log g)4.49[1] cgs
Temperature7,190 ± 130[1] K
Other designations
c Boötis, BD+25°2873, FK5 1396, Gl 578, HD 134083, HIP 73996, HR 5634, SAO 83671.
Database references
SIMBADdata

45 Boötis or c Boötis is a binary star in the constellation Boötes.

45 Boötis is a yellow-white F-type main sequence dwarf with an apparent magnitude of +4.93. It is approximately 64.3 light years from Earth.

References

  1. 1 2 3 4 5 6 7 8 Malagnini, M. L.; Morossi, C. (November 1990), "Accurate absolute luminosities, effective temperatures, radii, masses and surface gravities for a selected sample of field stars", Astronomy and Astrophysics Supplement Series, 85 (3): 1015–1019, Bibcode:1990A&AS...85.1015M
  2. ↑ Eggen, Olin J. (August 1998), "The Sirius Supercluster and Missing Mass near the Sun", The Astronomical Journal, 116 (2): 782–788, Bibcode:1998AJ....116..782E, doi:10.1086/300465.


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