Identification Data |
Common Name | |
Constellation | Draco |
Star Name | 31psi1Dra |
Skymap Number | 17410199 |
Henry Draper (HD) Number | 162004 |
Harvard Revised (HR) Number | 6637 |
SAO Number | 8891 |
Durchmusterung (DM) Number | BD+72 805 |
Washington Double Stars (WDS) Number
| 17419+7209
|
Positional Data |
Position and Proper Motion (PPM) Number | 9605 |
Right Ascension (RA) J2000 | 17h 41m 58.105s |
Declination (Dec) J2000 | +72° 9' 24.879" |
Position Uncertainty | 0.0306s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00761 |
Proper Motion in Dec (J2000) | -0.273667 |
Radial Velocity | -010.2km s-1 |
Trigonometric Parallax | +0.04480s |
Trigonometric Parallax Uncertainty | 0.00194s |
GCI Unit Vector in X (J2000) | -0.024083 |
GCI Unit Vector in Y (J2000) | -0.305463 |
GCI Unit Vector in Z (J2000) | 0.951899 |
Galactic Longitude | 102.98° |
Galactic Latitude
| 31.03°
|
Observational Data |
Observed Visual Magnitude (V) | 5.73 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 |
Observed B Magnitude | 6.26 |
Observed B-V Colour | +0.528 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.1 |
Observed Photographic Magnitude | 6.5 |
Morgan Keenan (MK) Spectral Type | G0V |
One-Dimensional Spectral Class | F5 |
Position Angle | |
Year of Observation | AD |