Lambda Lyrae
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Lyra |
| Right ascension | 19h 0m 0.8257s |
| Declination | +32° 8' 43.851" |
| Apparent magnitude (V) | 4.951 |
| Characteristics | |
| Spectral type | K2.5III |
| U-B color index | +1.67 |
| B-V color index | +1.47 |
| Astrometry | |
| Radial velocity (Rv) | -15.5 km/s |
| Proper motion (μ) | RA: 6.13 mas/yr Dec.: 9.75 mas/yr |
| Parallax (π) | 2.12 ± 0.55 mas |
| Distance | approx. 1500 ly (approx. 500 pc) |
| Other designations | |
Lambda Lyrae (λ Lyr) is a 5th magnitude star in the constellation Lyra, approximately 1,500 light years away from Earth. It is an orange giant star of the spectral type K2.5III, meaning it has a surface temperature of 3,500 to 5,000 kelvins. It is much brighter and larger, yet cooler, than our Sun.[1]
[edit] References
- ^ a b Simbad Query Result. Simbad. Retrieved on October 15, 2007.
