Astronomy
Constellations - Vulpecula - 22 Vul

 
Identification Data
Common Name
ConstellationVulpecula
Star Name22 Vul
Skymap Number20150135
Henry Draper (HD) Number192713
Harvard Revised (HR) Number7741
SAO Number88416
Durchmusterung (DM) NumberBD+23 3944
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number110754
Right Ascension (RA) J200020h 15m 30.238s
Declination (Dec) J2000+23° 30' 32.060"
Position Uncertainty0.0064s
Proper Motion in RA (J2000)/cos(Dec)+0.00019
Proper Motion in Dec (J2000)-0.006966
Radial Velocity-022.8km s-1
Trigonometric Parallax+0.00075s
Trigonometric Parallax Uncertainty0.00065s
GCI Unit Vector in X (J2000)0.511132
GCI Unit Vector in Y (J2000)-0.761334
GCI Unit Vector in Z (J2000)0.398892
Galactic Longitude63.47°
Galactic Latitude
-6.36°
Observational Data
Observed Visual Magnitude (V)5.18
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude6.19
Observed B-V Colour+1.013
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.4
Observed Photographic Magnitude6.2
Morgan Keenan (MK) Spectral TypeG3Ib-II
One-Dimensional Spectral ClassG5
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