Astronomy
Constellations - Virgo - 25 Vir

 
Identification Data
Common Name
ConstellationVirgo
Star Name25 Vir
Skymap Number12360116
Henry Draper (HD) Number109704
Harvard Revised (HR) Number4799
SAO Number138873
Durchmusterung (DM) NumberSD-05 3535
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number195650
Right Ascension (RA) J200012h 36m 47.354s
Declination (Dec) J2000-5° 49' 54.834"
Position Uncertainty0.0074s
Proper Motion in RA (J2000)/cos(Dec)-0.00184
Proper Motion in Dec (J2000)-0.019566
Radial Velocity-006.0km s-1
Trigonometric Parallax+0.01454s
Trigonometric Parallax Uncertainty0.00082s
GCI Unit Vector in X (J2000)-0.982035
GCI Unit Vector in Y (J2000)-0.159008
GCI Unit Vector in Z (J2000)-0.101610
Galactic Longitude296.28°
Galactic Latitude
56.85°
Observational Data
Observed Visual Magnitude (V)5.88
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.95
Observed B-V Colour+0.068
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 Magnitude5.9
Observed Photographic Magnitude5.9
Morgan Keenan (MK) Spectral TypeA3V
One-Dimensional Spectral ClassA0
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 13:15:52 GMT+01:00 2001