Astronomy
Constellations - Draco - 17 Dra

 
Identification Data
Common Name
ConstellationDraco
Star Name17 Dra
Skymap Number16360175
Henry Draper (HD) Number150118
Harvard Revised (HR) Number6186
SAO Number30013
Durchmusterung (DM) NumberBD+53 1876
Washington Double Stars (WDS) Number
16362+5255
Positional Data
Position and Proper Motion (PPM) Number
Right Ascension (RA) J200016h 36m 14.058s
Declination (Dec) J2000+52° 55' 27.082"
Position Uncertainty0.0154s
Proper Motion in RA (J2000)/cos(Dec)-0.00172
Proper Motion in Dec (J2000)+0.032167
Radial Velocity-010.4km s-1
Trigonometric Parallax+0.00822s
Trigonometric Parallax Uncertainty0.00060s
GCI Unit Vector in X (J2000)-0.215474
GCI Unit Vector in Y (J2000)-0.563049
GCI Unit Vector in Z (J2000)0.797839
Galactic Longitude80.97°
Galactic Latitude
41.47°
Observational Data
Observed Visual Magnitude (V)6.53
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.050
Observed B Magnitude6.47
Observed B-V Colour-0.06
Observed B Magnitude or (B-V) Magnitude Uncertainty0.050
Observed U Magnitude6.31
Observed U-B Colour-0.16
Observed U Magnitude or (U-B) Magnitude Uncertainty0.050
Observed Photovisual Magnitude6.6
Observed Photographic Magnitude6.6
Morgan Keenan (MK) Spectral TypeA1Vnn
One-Dimensional Spectral ClassA2
Position Angle106
Year of Observation1983. 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