Kappa Lyrae
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Lyra |
| Right ascension | 18h 19m 51.7095s |
| Declination | +36° 3' 52.371" |
| Apparent magnitude (V) | 4.323 |
| Characteristics | |
| Spectral type | K2III |
| U-B color index | +1.18 |
| B-V color index | +1.17 |
| Astrometry | |
| Radial velocity (Rv) | -22.3 km/s |
| Proper motion (μ) | RA: -16.14 mas/yr Dec.: 41.32 mas/yr |
| Parallax (π) | 13.71 ± 0.56 mas |
| Distance | 238 ± 10 ly (73 ± 3 pc) |
| Other designations | |
Kappa Lyrae (κ Lyr) is a 4th magnitude star approximately 238 light years away from Earth, in the constellation Lyra. It is an orange giant star of the spectral type is K2III, meaning it possesses a surface temperature of 3,500 to 5,000 kelvins. It is cooler, yet larger and brighter, than our Sun. It is also a variable star.[1]
[edit] References
- ^ a b Simbad Query Result. Simbad. Retrieved on October 14, 2007.
