Identification Data |
Common Name | |
Constellation | Draco |
Star Name | 47omi Dra |
Skymap Number | 18510274 |
Henry Draper (HD) Number | 175306 |
Harvard Revised (HR) Number | 7125 |
SAO Number | 31218 |
Durchmusterung (DM) Number | BD+59 1925 |
Washington Double Stars (WDS) Number
| 18512+5923
|
Positional Data |
Position and Proper Motion (PPM) Number | 36888 |
Right Ascension (RA) J2000 | 18h 51m 12.095s |
Declination (Dec) J2000 | +59° 23' 18.063" |
Position Uncertainty | 0.0063s |
Proper Motion in RA (J2000)/cos(Dec) | +0.01015 |
Proper Motion in Dec (J2000) | +0.025466 |
Radial Velocity | -019.5km s-1 |
Trigonometric Parallax | +0.01012s |
Trigonometric Parallax Uncertainty | 0.00043s |
GCI Unit Vector in X (J2000) | 0.112820 |
GCI Unit Vector in Y (J2000) | -0.496561 |
GCI Unit Vector in Z (J2000) | 0.860639 |
Galactic Longitude | 89.31° |
Galactic Latitude
| 23.14°
|
Observational Data |
Observed Visual Magnitude (V) | 4.64 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 5.80 |
Observed B-V Colour | +1.164 |
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 | 4.8 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | G9IIIFe-0.5 |
One-Dimensional Spectral Class | K0 |
Position Angle | 324 |
Year of Observation | 1961. AD |