Astronomy
Constellations - Vulpecula - 17 Vul

 
Identification Data
Common Name
ConstellationVulpecula
Star Name17 Vul
Skymap Number20060238
Henry Draper (HD) Number190993
Harvard Revised (HR) Number7688
SAO Number88212
Durchmusterung (DM) NumberBD+23 3896
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number110432
Right Ascension (RA) J200020h 6m 53.407s
Declination (Dec) J2000+23° 36' 51.931"
Position Uncertainty0.0053s
Proper Motion in RA (J2000)/cos(Dec)+0.00110
Proper Motion in Dec (J2000)+0.000566
Radial Velocity-005.1km s-1
Trigonometric Parallax+0.00668s
Trigonometric Parallax Uncertainty0.00071s
GCI Unit Vector in X (J2000)0.481776
GCI Unit Vector in Y (J2000)-0.779376
GCI Unit Vector in Z (J2000)0.400580
Galactic Longitude62.49°
Galactic Latitude
-4.65°
Observational Data
Observed Visual Magnitude (V)5.08
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.91
Observed B-V Colour-0.166
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB3V
One-Dimensional Spectral ClassB3
Position Angle
Year of Observation 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 13:15:53 GMT+01:00 2001