Astronomy
Constellations - Draco - 27 Dra

 
Identification Data
Common Name
ConstellationDraco
Star Name27 Dra
Skymap Number17310193
Henry Draper (HD) Number159966
Harvard Revised (HR) Number6566
SAO Number17526
Durchmusterung (DM) NumberBD+68 938
Washington Double Stars (WDS) Number
17320+6808
Positional Data
Position and Proper Motion (PPM) Number20422
Right Ascension (RA) J200017h 31m 57.868s
Declination (Dec) J2000+68° 8' 6.088"
Position Uncertainty0.0077s
Proper Motion in RA (J2000)/cos(Dec)-0.00243
Proper Motion in Dec (J2000)+0.132766
Radial Velocity-073.5km s-1
Trigonometric Parallax+0.01502s
Trigonometric Parallax Uncertainty0.00054s
GCI Unit Vector in X (J2000)-0.045444
GCI Unit Vector in Y (J2000)-0.369638
GCI Unit Vector in Z (J2000)0.928064
Galactic Longitude98.42°
Galactic Latitude
32.40°
Observational Data
Observed Visual Magnitude (V)5.08
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.13
Observed B-V Colour+1.052
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.2
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeG9IIIb
One-Dimensional Spectral ClassK0
Position Angle344
Year of Observation1960. 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 13:15:39 GMT+01:00 2001