Identification Data |
Common Name | Gianfar |
Constellation | Draco |
Star Name | 1lam Dra |
Skymap Number | 11310052 |
Henry Draper (HD) Number | 100029 |
Harvard Revised (HR) Number | 4434 |
SAO Number | 15532 |
Durchmusterung (DM) Number | BD+70 665 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 17889 |
Right Ascension (RA) J2000 | 11h 31m 24.220s |
Declination (Dec) J2000 | +69° 19' 51.873" |
Position Uncertainty | 0.0055s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00777 |
Proper Motion in Dec (J2000) | -0.018866 |
Radial Velocity | +007.2km s-1 |
Trigonometric Parallax | +0.00976s |
Trigonometric Parallax Uncertainty | 0.00054s |
GCI Unit Vector in X (J2000) | -0.350223 |
GCI Unit Vector in Y (J2000) | 0.043927 |
GCI Unit Vector in Z (J2000) | 0.935636 |
Galactic Longitude | 132.98° |
Galactic Latitude
| 46.20°
|
Observational Data |
Observed Visual Magnitude (V) | 3.81 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.42 |
Observed B-V Colour | +1.610 |
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 | 4.1 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | M0IIICa-1 |
One-Dimensional Spectral Class | M0 |
Position Angle | |
Year of Observation | AD |