HD 135944
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Boötes |
| Right ascension | 15h 15m 50.706s[1] |
| Declination | +50° 56′ 18.45″[1] |
| Apparent magnitude (V) | 6.48[2] |
| Characteristics | |
| Spectral type | G5[3] |
| B−V color index | +0.845[4] |
| Astrometry | |
| Radial velocity (Rv) | +10.05[4] km/s |
| Proper motion (μ) | RA: +24.95±0.31[1] mas/yr Dec.: −45.53±0.32[1] mas/yr |
| Parallax (π) | 16.17 ± 0.31[1] mas |
| Distance | 202 ± 4 ly (62 ± 1 pc) |
| Details | |
| Radius | 4[4] R☉ |
| Luminosity | 8.1[4] L☉ |
| Surface gravity (log g) | 3.5[4] cgs |
| Temperature | 5,058[4] K |
| Rotational velocity (v sin i) | 0.0[4] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 135944 is a star in the northern constellation of Boötes. With an apparent magnitude of 6.5,[2] it is at the limits of naked eye visibility. There is a magnitude 8.94 companion at an angular separation of 67.3″ along a position angle of 102° (as of 2011).[5]
References
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