HD 128093
Star in the constellation Boötes / From Wikipedia, the free encyclopedia
HD 128093 is a double star in the constellation Boötes. The brighter component is an F-type main-sequence star with a stellar classification of F5V[3] and an apparent magnitude of 6.33.[2] It has a magnitude 11.33 companion at an angular separation of 28.1 along a position angle of 318°.[8]
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
Observation data Epoch J2000 Equinox J2000 | |
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Constellation | Boötes |
Right ascension | 14h 34m 11.70723s[1] |
Declination | +32° 32′ 04.1218″[1] |
Apparent magnitude (V) | 6.33[2] |
Characteristics | |
Spectral type | F5V[3] |
U−B color index | −0.01[4] |
B−V color index | +0.40[4] |
Astrometry | |
Radial velocity (Rv) | −8.1[5] km/s |
Proper motion (μ) | RA: +106.12[1] mas/yr Dec.: +6.34[1] mas/yr |
Parallax (π) | 24.65 ± 0.37 mas[1] |
Distance | 132 ± 2 ly (40.6 ± 0.6 pc) |
Absolute magnitude (MV) | 3.29[2] |
Details | |
Luminosity | 3.9[6] L☉ |
Surface gravity (log g) | 4.13[7] cgs |
Temperature | 6,463[7] K |
Metallicity [Fe/H] | −0.27±0.03[7] dex |
Rotational velocity (v sin i) | 15[7] km/s |
Age | 3.1[2] Gyr |
Other designations | |
Database references | |
SIMBAD | data |
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