Astronomy
Constellations - Draco - 41 Dra

 
Identification Data
Common Name
ConstellationDraco
Star Name41 Dra
Skymap Number18000033
Henry Draper (HD) Number166866
Harvard Revised (HR) Number6810
SAO Number8996
Durchmusterung (DM) NumberBD+79 571
Washington Double Stars (WDS) Number
18002+8000
Positional Data
Position and Proper Motion (PPM) Number3147
Right Ascension (RA) J200018h 0m 9.224s
Declination (Dec) J2000+80° 0' 14.743"
Position Uncertainty0.0290s
Proper Motion in RA (J2000)/cos(Dec)+0.01802
Proper Motion in Dec (J2000)+0.124067
Radial Velocity+010.0km s-1
Trigonometric Parallax+0.01884s
Trigonometric Parallax Uncertainty0.00181s
GCI Unit Vector in X (J2000)0.000116
GCI Unit Vector in Y (J2000)-0.173578
GCI Unit Vector in Z (J2000)0.984820
Galactic Longitude111.78°
Galactic Latitude
28.90°
Observational Data
Observed Visual Magnitude (V)5.68
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.19
Observed B-V Colour+0.505
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 Magnitude5.8
Observed Photographic Magnitude6.2
Morgan Keenan (MK) Spectral TypeF7V
One-Dimensional Spectral ClassF5
Position Angle231
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 13:15:40 GMT+01:00 2001