Astronomy
Constellations - Draco - 46 Dra

 
Identification Data
Common Name
ConstellationDraco
Star Name46 Dra
Skymap Number18420147
Henry Draper (HD) Number173524
Harvard Revised (HR) Number7049
SAO Number31119
Durchmusterung (DM) NumberBD+55 2107
Washington Double Stars (WDS) Number
18426+5532
Positional Data
Position and Proper Motion (PPM) Number36781
Right Ascension (RA) J200018h 42m 37.953s
Declination (Dec) J2000+55° 32' 22.046"
Position Uncertainty0.0068s
Proper Motion in RA (J2000)/cos(Dec)-0.00031
Proper Motion in Dec (J2000)+0.023466
Radial Velocity-030.0km s-1
Trigonometric Parallax+0.00896s
Trigonometric Parallax Uncertainty0.00048s
GCI Unit Vector in X (J2000)0.104651
GCI Unit Vector in Y (J2000)-0.556077
GCI Unit Vector in Z (J2000)0.824516
Galactic Longitude84.94°
Galactic Latitude
23.29°
Observational Data
Observed Visual Magnitude (V)5.03
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.96
Observed B-V Colour-0.073
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.1
Observed Photographic Magnitude5.1
Morgan Keenan (MK) Spectral TypeB9.5pHg:
One-Dimensional Spectral ClassA0
Position Angle135
Year of Observation1987. AD

Data Source
SKY2000 - Master Star Catalog - Star Catalog Database, Version 2
    Sande C.B., Warren Jr. W.H., Tracewell D.A., Home A.T., Miller A.C.
    (Goddard Space Flight Center, Flight Dynamics Division (1998))

 
Page compiled: Sun Sep 02 13:15:40 GMT+01:00 2001