HD 191104
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Aquila |
| Right ascension | 20h 07m 50.36773s[1] |
| Declination | +09° 23′ 59.4022″[1] |
| Apparent magnitude (V) | 6.443[2] |
| Characteristics | |
| Spectral type | F3V[3] |
| U−B color index | -0.033[2] |
| B−V color index | +0.472[2] |
| Astrometry | |
| Radial velocity (Rv) | −27[4] km/s |
| Proper motion (μ) | RA: +46.75[1] mas/yr Dec.: +28.81[1] mas/yr |
| Parallax (π) | 25.40 ± 1.00[1] mas |
| Distance | 128 ± 5 ly (39 ± 2 pc) |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 191104 is a triple star system in the equatorial constellation of Aquila. Two of the components form a close spectroscopic binary system, while a third stars orbits the pair at a greater distance.[5]
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.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
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