HD 126009 or CI Boötis is a variable star[4] in the northern constellation of Boötes.
Observation data Epoch J2000 Equinox J2000 | |
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Constellation | Boötes |
Right ascension | 14h 22m 14.00145s[2] |
Declination | +29° 22′ 11.7169″[2] |
Apparent magnitude (V) | 6.6[3] |
Characteristics | |
Spectral type | M3III[4] |
U−B color index | +1.46[3] |
B−V color index | +1.60[3] |
Variable type | Irregular[5] |
Astrometry | |
Radial velocity (Rv) | −19.66±0.54[6] km/s |
Proper motion (μ) | RA: -38.37[2] mas/yr Dec.: -25.87[2] mas/yr |
Parallax (π) | 4.23 ± 0.47 mas[2] |
Distance | approx. 770 ly (approx. 240 pc) |
Details | |
Luminosity | 1,875[7] L☉ |
Temperature | 3,387[7] K |
Other designations | |
CI Boötes, BD+30° 2513, HD126009, HIP 70236, SAO 83312. | |
Database references | |
SIMBAD | data |
Constellation of Boötes | |||||||||||
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