45 Boötis

45 Boötis

Observation data Epoch J2000      Equinox J2000
Constellation	Boötes
Right ascension	15^h 07^m 18.0659^s
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

1. 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

• HR 5634
• CCDM J15074+2453
• Image 45 Boötis