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Astronomy
Constellations - Vulpecula - 2 Vul

 
Identification Data
Common Name
ConstellationVulpecula
Star Name2 Vul
Skymap Number19170172
Henry Draper (HD) Number180968
Harvard Revised (HR) Number7318
SAO Number87036
Durchmusterung (DM) NumberBD+22 3648
Washington Double Stars (WDS) Number
19177+2302
Positional Data
Position and Proper Motion (PPM) Number108726
Right Ascension (RA) J200019h 17m 43.636s
Declination (Dec) J2000+23° 1' 31.944"
Position Uncertainty0.0070s
Proper Motion in RA (J2000)/cos(Dec)+0.00011
Proper Motion in Dec (J2000)-0.003767
Radial Velocity+001.0km s-1
Trigonometric Parallax+0.00170s
Trigonometric Parallax Uncertainty0.00063s
GCI Unit Vector in X (J2000)0.306180
GCI Unit Vector in Y (J2000)-0.867907
GCI Unit Vector in Z (J2000)0.391141
Galactic Longitude56.36°
Galactic Latitude
4.85°
Observational Data
Observed Visual Magnitude (V)5.48
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.47
Observed B-V Colour-0.012
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 Magnitude5.4
Observed Photographic Magnitude5.2
Morgan Keenan (MK) Spectral TypeB0.5IV
One-Dimensional Spectral ClassB0
Position Angle127
Year of Observation1988. 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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