Identification Data |
Common Name | |
Constellation | Draco |
Star Name | 49 Dra |
Skymap Number | 19000193 |
Henry Draper (HD) Number | 177249 |
Harvard Revised (HR) Number | 7218 |
SAO Number | 31323 |
Durchmusterung (DM) Number | BD+55 2137 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 37013 |
Right Ascension (RA) J2000 | 19h 0m 43.455s |
Declination (Dec) J2000 | +55° 39' 29.886" |
Position Uncertainty | 0.0065s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00139 |
Proper Motion in Dec (J2000) | -0.007466 |
Radial Velocity | +009.6km s-1 |
Trigonometric Parallax | +0.00659s |
Trigonometric Parallax Uncertainty | 0.00046s |
GCI Unit Vector in X (J2000) | 0.147728 |
GCI Unit Vector in Y (J2000) | -0.544441 |
GCI Unit Vector in Z (J2000) | 0.825688 |
Galactic Longitude | 85.83° |
Galactic Latitude
| 20.86°
|
Observational Data |
Observed Visual Magnitude (V) | 5.52 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 6.37 |
Observed B-V Colour | +0.853 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.5 |
Observed Photographic Magnitude | 6.3 |
Morgan Keenan (MK) Spectral Type | G6IIbFe-0.5 |
One-Dimensional Spectral Class | G5 |
Position Angle | |
Year of Observation | AD |