11 Lacertae

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11 Lacertae
Observation data
Epoch J2000      Equinox J2000
Constellation Lacerta[1]
Right ascension 22h 40m 30.8591s[2]
Declination +44° 16′ 34.698″[2]
Apparent magnitude (V) 4.510[3]
Characteristics
Spectral type K2III[3]
U−B color index +1.36[4]
B−V color index +1.33[4]
Astrometry
Proper motion (μ) RA: +94.18[2] mas/yr
Dec.: +10.00[2] mas/yr
Parallax (π) 10.81 ± 0.56[2] mas
Distance 300 ± 20 ly
(93 ± 5 pc)
Details
Radius 30[5] R
Luminosity 287[5] L
Surface gravity (log g) 2.32[6] cgs
Temperature 4,440[6] K
Metallicity [Fe/H] −0.25[6] dex
Rotational velocity (v sin i) 8[7] km/s
Other designations
車府二, HR 8632, BD+43 4266, HD 214868, SAO 52251, HIP 111944.[3]

11 Lacertae (11 Lac) is a star in the constellation Lacerta. 11 Lacertae is a giant star with a stellar classification of K2III, an apparent magnitude of 4.50 and absolute magnitude −0.33.[8] It lies at a distance of about 300 light years.

References

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Coordinates: Sky map 22h 40m 30.78s, +44° 16′ 34.6″


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