Identification Data |
Common Name | |
Constellation | Boötes |
Star Name | 7 Boo |
Skymap Number | 13530033 |
Henry Draper (HD) Number | 121107 |
Harvard Revised (HR) Number | 5225 |
SAO Number | 100751 |
Durchmusterung (DM) Number | BD+18 2795 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 130146 |
Right Ascension (RA) J2000 | 13h 53m 12.930s |
Declination (Dec) J2000 | +17° 55' 58.326" |
Position Uncertainty | 0.0091s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00235 |
Proper Motion in Dec (J2000) | +0.005366 |
Radial Velocity | -010.0km s-1 |
Trigonometric Parallax | +0.00477s |
Trigonometric Parallax Uncertainty | 0.00079s |
GCI Unit Vector in X (J2000) | -0.837671 |
GCI Unit Vector in Y (J2000) | -0.451113 |
GCI Unit Vector in Z (J2000) | 0.307902 |
Galactic Longitude | 3.30° |
Galactic Latitude
| 73.05°
|
Observational Data |
Observed Visual Magnitude (V) | 5.71 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 6.55 |
Observed B-V Colour | +0.838 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.7 |
Observed Photographic Magnitude | 6.1 |
Morgan Keenan (MK) Spectral Type | G5III |
One-Dimensional Spectral Class | K0 |
Position Angle | |
Year of Observation | AD |