11 Boötis

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Template:Short description

11 Boötis
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Boötes[1]
Right ascension Template:RA[2]
Declination Template:DEC[2]
Apparent magnitude (V) 6.23[1]
Characteristics
Spectral type A7 III[3]
B−V Template:Engvar Script error: No such module "val".[1]
Astrometry
Radial velocity (Rv)Script error: No such module "val".[4] km/s
Proper motion (μ) RA: −78.929[2] mas/yr
Dec.: +18.638[2] mas/yr
Parallax (π)9.8333±0.0866 mas[2]
DistanceTemplate:Rnd ± Template:Rnd ly
(Template:Rnd ± Template:Rnd pc)
Absolute magnitude (MV)1.44[1]
Details
Mass1.67[5] Template:Solar mass
Radius2.6[2] Template:Solar radius
Luminosity64[2] Template:Solar luminosity
Surface gravity (log g)3.93[5] cgs
TemperatureScript error: No such module "val".[5] K
Metallicity−0.02[6]
Rotational velocity (v sin i)123[7] km/s
Age328[5] Myr
Metallicity [Fe/H]{{{metal_fe2}}} dex
Other designations
Template:Odlist[3]
Database references
SIMBADdata

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11 Boötis is a giant star in the northern constellation of Boötes, located about 332 light years away from the Sun. It is near the lower limit of visibility to the naked eye, appearing as a dim, white-hued star with an apparent visual magnitude of 6.23.[1] This body is moving closer to the Earth with a heliocentric radial velocity of −24 km/s.[4]

Properties

It has a stellar classification of A7 III,[3] matching an evolved A-type giant star. The star is 328[5] million years old with a projected rotational velocity of 123 km/s.[7] It has 1.67[5] times the mass of the Sun and is radiating 64 times the Sun's luminosity from its photosphere at an effective temperature of 7,997 K.[5]

References

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Template:Stars of Boötes