HD 118889
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Boötes |
| Right ascension | 13h 39m 34.61613s[1] |
| Declination | +10° 44′ 46.5827″[1] |
| Apparent magnitude (V) | 5.58[2] (6.35 + 6.47)[3] |
| Characteristics | |
| Spectral type | F0V[4] |
| U−B color index | +0.045[2] |
| B−V color index | +0.33[2] |
| Astrometry | |
| Radial velocity (Rv) | -25.9[5] km/s |
| Proper motion (μ) | RA: -114.96[1] mas/yr Dec.: -11.74[1] mas/yr |
| Parallax (π) | 16.67 ± 0.58[1] mas |
| Distance | 196 ± 7 ly (60 ± 2 pc) |
| Details | |
| Luminosity | 16.4[6] L☉ |
| Temperature | 7,105[6] K |
| Rotational velocity (v sin i) | 144[4] km/s |
| Orbit[3] | |
| Companion | CCDM 13395+1045 B BU 612 |
| Period (P) | 22.46 yr |
| Semi-major axis (a) | 0.1998" |
| Eccentricity (e) | 0.5450 |
| Inclination (i) | 47.8° |
| Longitude of the node (Ω) | 35.4° |
| Periastron epoch (T) | 1929.69 |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 118889 is a binary star in the northern constellation of Boötes.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 2.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 4.0 4.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 6.0 6.1 Lua error in package.lua at line 80: module 'strict' not found.
External links
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