45 Boötis

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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
Distance 64.3 ± 1.0 ly
(19.7 ± 0.3 pc)
Absolute magnitude (MV) 5.36
Details
Mass 1.4[1] M
Radius 1.1[1] R
Luminosity 2.1[1] L
Surface gravity (log g) 4.49[1] cgs
Temperature 7,190 ± 130[1] K
Other designations
c Boötis, BD+25°2873, FK5 1396, Gl 578, HD 134083, HIP 73996, HR 5634, SAO 83671.
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

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[edit]

  1. ^ a b c d e f g h 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 

External links[edit]