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Astronomy
Constellations - Vulpecula - 28 Vul

 
Identification Data
Common Name
ConstellationVulpecula
Star Name28 Vul
Skymap Number20380120
Henry Draper (HD) Number196740
Harvard Revised (HR) Number7894
SAO Number88945
Durchmusterung (DM) NumberBD+23 4084
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number111576
Right Ascension (RA) J200020h 38m 31.914s
Declination (Dec) J2000+24° 6' 57.450"
Position Uncertainty0.0061s
Proper Motion in RA (J2000)/cos(Dec)+0.00073
Proper Motion in Dec (J2000)-0.007866
Radial Velocity-022.0km s-1
Trigonometric Parallax+0.00661s
Trigonometric Parallax Uncertainty0.00066s
GCI Unit Vector in X (J2000)0.582195
GCI Unit Vector in Y (J2000)-0.702928
GCI Unit Vector in Z (J2000)0.408585
Galactic Longitude67.01°
Galactic Latitude
-10.35°
Observational Data
Observed Visual Magnitude (V)5.06
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.93
Observed B-V Colour-0.135
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 Magnitude5.0
Observed Photographic Magnitude4.9
Morgan Keenan (MK) Spectral TypeB5IV
One-Dimensional Spectral ClassB5
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))

 
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Page compiled: Sun Sep 02 13:15:53 GMT+01:00 2001
 
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