Astronomy
Constellations - Vulpecula - 23 Vul

 
Identification Data
Common Name
ConstellationVulpecula
Star Name23 Vul
Skymap Number20150200
Henry Draper (HD) Number192806
Harvard Revised (HR) Number7744
SAO Number88428
Durchmusterung (DM) NumberBD+27 3666
Washington Double Stars (WDS) Number
20158+2749
Positional Data
Position and Proper Motion (PPM) Number110765
Right Ascension (RA) J200020h 15m 46.133s
Declination (Dec) J2000+27° 48' 51.298"
Position Uncertainty0.0053s
Proper Motion in RA (J2000)/cos(Dec)-0.00259
Proper Motion in Dec (J2000)+0.005867
Radial Velocity+002.8km s-1
Trigonometric Parallax+0.00994s
Trigonometric Parallax Uncertainty0.00064s
GCI Unit Vector in X (J2000)0.493847
GCI Unit Vector in Y (J2000)-0.733753
GCI Unit Vector in Z (J2000)0.466607
Galactic Longitude67.11°
Galactic Latitude
-4.04°
Observational Data
Observed Visual Magnitude (V)4.52
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.77
Observed B-V Colour+1.245
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 Magnitude4.7
Observed Photographic Magnitude5.9
Morgan Keenan (MK) Spectral TypeK3-IIIFe-1
One-Dimensional Spectral ClassK5
Position Angle153
Year of Observation1991. 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