Identification Data |
Common Name | |
Constellation | Lyra |
Star Name | 1kap Lyr |
Skymap Number | 18190180 |
Henry Draper (HD) Number | 168775 |
Harvard Revised (HR) Number | 6872 |
SAO Number | 66869 |
Durchmusterung (DM) Number | BD+36 3094 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 81209 |
Right Ascension (RA) J2000 | 18h 19m 51.709s |
Declination (Dec) J2000 | +36° 3' 52.371" |
Position Uncertainty | 0.0063s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00133 |
Proper Motion in Dec (J2000) | +0.041366 |
Radial Velocity | -022.3km s-1 |
Trigonometric Parallax | +0.01371s |
Trigonometric Parallax Uncertainty | 0.00056s |
GCI Unit Vector in X (J2000) | 0.069967 |
GCI Unit Vector in Y (J2000) | -0.805321 |
GCI Unit Vector in Z (J2000) | 0.588696 |
Galactic Longitude | 63.52° |
Galactic Latitude
| 21.55°
|
Observational Data |
Observed Visual Magnitude (V) | 4.32 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 5.50 |
Observed B-V Colour | +1.178 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.3 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | K2-IIIabCN0.5 |
One-Dimensional Spectral Class | K0 |
Position Angle | |
Year of Observation | AD |