Nu Cygni
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Cygnus |
| Right ascension | 20h 57m 10.41907s [1] |
| Declination | 41° 10′ 01.6991″ [1] |
| Apparent magnitude (V) | 3.94 [2] |
| Characteristics | |
| Spectral type | A1Vn [3] |
| U−B color index | +0.00 [2] |
| B−V color index | +0.02 [2] |
| Astrometry | |
| Radial velocity (Rv) | -27.60[4] km/s |
| Proper motion (μ) | RA: +9.64[5] mas/yr Dec.: -22.75[5] mas/yr |
| Parallax (π) | 8.71 ± 0.34[1] mas |
| Distance | 370 ± 10 ly (115 ± 4 pc) |
| Absolute magnitude (MV) | -1.36 [6] |
| Details | |
| Radius | 1.90 [7] R☉ |
| Other designations | |
| Database references | |
| SIMBAD | data |
Nu Cygni (ν Cyg) is a class A1V[5] (white main-sequence) star in the constellation Cygnus. Its apparent magnitude is 3.94[2] and it is approximately 374 light years away based on parallax.[1] The star consists of a primary (A1V at apparent magnitude 4.07) and one companion at apparent magnitude 6.4 with separation 0.24".[8]
References
- ↑ 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.
- ↑ 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 5.3 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
- ↑ Lua error in package.lua at line 80: module 'strict' not found. Vizier catalog entry
<templatestyles src="Asbox/styles.css"></templatestyles>
 |
This main-sequence-star-related article is a stub. You can help Wikipedia by expanding it. |
