Rho Cygni
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Cygnus |
| Right ascension | 21h 33m 58.85298s [1] |
| Declination | 45° 35′ 30.6179″ [1] |
| Apparent magnitude (V) | 4.02 [2] |
| Characteristics | |
| Spectral type | G8III [3] |
| U−B color index | +0.56 [2] |
| B−V color index | +0.89 [2] |
| Astrometry | |
| Radial velocity (Rv) | +6.88[4] km/s |
| Proper motion (μ) | RA: -23.79[5] mas/yr Dec.: -93.70[5] mas/yr |
| Parallax (π) | 26.39 ± 0.15[1] mas |
| Distance | 123.6 ± 0.7 ly (37.9 ± 0.2 pc) |
| Absolute magnitude (MV) | 1.13 [6] |
| Details | |
| Radius | 4.40 [7] R☉ |
| Other designations | |
| Database references | |
| SIMBAD | data |
Rho Cygni (ρ Cyg) is a class G8III[3] (yellow giant) star in the constellation Cygnus. Its apparent magnitude is 4.02[2] and it is approximately 123.6 light years away based on parallax.[1]
References
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- ↑ 1.0 1.1 1.2 1.3 Lua error in package.lua at line 80: module 'strict' not found. Vizier catalog entry
- ↑ 2.0 2.1 2.2 2.3 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. Vizier catalog entry
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 5.0 5.1 5.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Absolute magnitude calculated as
, where 
is the star's absolute magnitude, 
is the star's apparent magnitude, and 
is the star's measured parallax in arcseconds. - ↑ Lua error in package.lua at line 80: module 'strict' not found. Vizier catalog entry
