Astronomy
Constellations - Vulpecula - 27 Vul

 
Identification Data
Common Name
ConstellationVulpecula
Star Name27 Vul
Skymap Number20370024
Henry Draper (HD) Number196504
Harvard Revised (HR) Number7880
SAO Number88903
Durchmusterung (DM) NumberBD+25 4302
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number111513
Right Ascension (RA) J200020h 37m 4.673s
Declination (Dec) J2000+26° 27' 43.010"
Position Uncertainty0.0064s
Proper Motion in RA (J2000)/cos(Dec)+0.00121
Proper Motion in Dec (J2000)-0.011466
Radial Velocity-021.8km s-1
Trigonometric Parallax+0.01068s
Trigonometric Parallax Uncertainty0.00067s
GCI Unit Vector in X (J2000)0.566653
GCI Unit Vector in Y (J2000)-0.693067
GCI Unit Vector in Z (J2000)0.445603
Galactic Longitude68.73°
Galactic Latitude
-8.70°
Observational Data
Observed Visual Magnitude (V)5.60
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.55
Observed B-V Colour-0.053
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 Magnitude5.5
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB9V
One-Dimensional Spectral ClassB9
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