30 Cygni
From Infogalactic: the planetary knowledge core
Observation data Epoch J2000 Equinox J2000 |
|
---|---|
Constellation | Cygnus |
Right ascension | 20h 13m 18.05358s [1] |
Declination | 46° 48′ 56.4424″ [1] |
Apparent magnitude (V) | 4.83 [2] |
Characteristics | |
Spectral type | A5IIIn [3] |
B−V color index | +0.09 [2] |
Astrometry | |
Radial velocity (Rv) | -26.00[4] km/s |
Proper motion (μ) | RA: +13.83[2] mas/yr Dec.: +3.00[2] mas/yr |
Parallax (π) | 5.34 ± 0.33[1] mas |
Distance | 610 ± 40 ly (190 ± 10 pc) |
Absolute magnitude (MV) | -1.53 [5] |
Details | |
Radius | 1.40 [6] R☉ |
Other designations | |
Database references | |
SIMBAD | data |
30 Cygni is a class A5III[3] (white giant) star in the constellation Cygnus. Its apparent magnitude is 4.83[2] and it is approximately 610 light years away based on parallax.[1]
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 2.4 2.5 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.
- ↑ 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
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