Iota1 Cygni
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Cygnus |
| Right ascension | 19h 27m 25.95887s [1] |
| Declination | 52° 19′ 13.5737″ [1] |
| Apparent magnitude (V) | 5.75 [2] |
| Characteristics | |
| Spectral type | A1V [3] |
| B−V color index | +0.00 [2] |
| Astrometry | |
| Radial velocity (Rv) | +1.90[4] km/s |
| Proper motion (μ) | RA: -12.26[2] mas/yr Dec.: -26.95[2] mas/yr |
| Parallax (π) | 9.30 ± 0.23[1] mas |
| Distance | 351 ± 9 ly (108 ± 3 pc) |
| Absolute magnitude (MV) | 0.59 [5] |
| Other designations | |
| Database references | |
| SIMBAD | data |
Iota1 Cygni (ι1 Cyg) is a class A1V[3] (white main-sequence) star in the constellation Cygnus. Its apparent magnitude is 5.75[2] and it is approximately 351 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.
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