11 Lacertae
From Infogalactic: the planetary knowledge core
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 | |
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: 22h 40m 30.78s, +44° 16′ 34.6″
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