Identification Data |
Common Name | |
Constellation | Draco |
Star Name | 54 Dra |
Skymap Number | 19130205 |
Henry Draper (HD) Number | 180610 |
Harvard Revised (HR) Number | 7309 |
SAO Number | 31497 |
Durchmusterung (DM) Number | BD+57 1968 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 37213 |
Right Ascension (RA) J2000 | 19h 13m 55.146s |
Declination (Dec) J2000 | +57° 42' 18.366" |
Position Uncertainty | 0.0063s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00213 |
Proper Motion in Dec (J2000) | -0.063266 |
Radial Velocity | -028.7km s-1 |
Trigonometric Parallax | +0.02014s |
Trigonometric Parallax Uncertainty | 0.00046s |
GCI Unit Vector in X (J2000) | 0.169350 |
GCI Unit Vector in Y (J2000) | -0.506727 |
GCI Unit Vector in Z (J2000) | 0.845309 |
Galactic Longitude | 88.52° |
Galactic Latitude
| 19.81°
|
Observational Data |
Observed Visual Magnitude (V) | 5.00 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 6.15 |
Observed B-V Colour | +1.154 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.3 |
Observed Photographic Magnitude | 6.3 |
Morgan Keenan (MK) Spectral Type | K2III |
One-Dimensional Spectral Class | K0 |
Position Angle | |
Year of Observation | AD |