Astronomy
Constellations - Draco - 21mu Dra

 
Identification Data
Common Name
ConstellationDraco
Star Name21mu Dra
Skymap Number17050176
Henry Draper (HD) Number154905
Harvard Revised (HR) Number6369
SAO Number30239
Durchmusterung (DM) NumberBD+54 1857
Washington Double Stars (WDS) Number
17053+5428
Positional Data
Position and Proper Motion (PPM) Number35805
Right Ascension (RA) J200017h 5m 20.203s
Declination (Dec) J2000+54° 28' 14.312"
Position Uncertainty0.0182s
Proper Motion in RA (J2000)/cos(Dec)-0.01190
Proper Motion in Dec (J2000)+0.107467
Radial Velocity-014.3km s-1
Trigonometric Parallax+0.03708s
Trigonometric Parallax Uncertainty0.00089s
GCI Unit Vector in X (J2000)-0.137295
GCI Unit Vector in Y (J2000)-0.564669
GCI Unit Vector in Z (J2000)0.813818
Galactic Longitude82.30°
Galactic Latitude
37.02°
Observational Data
Observed Visual Magnitude (V)5.63
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.010
Observed B Magnitude6.13
Observed B-V Colour+0.498
Observed B Magnitude or (B-V) Magnitude Uncertainty0.014
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.8
Observed Photographic Magnitude6.2
Morgan Keenan (MK) Spectral TypeF7V
One-Dimensional Spectral ClassF5
Position Angle29
Year of Observation1993. 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