Astronomy
Constellations - Virgo - 12 Vir

 
Identification Data
Common Name
ConstellationVirgo
Star Name12 Vir
Skymap Number12130054
Henry Draper (HD) Number106251
Harvard Revised (HR) Number4650
SAO Number99997
Durchmusterung (DM) NumberBD+11 2440
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number128878
Right Ascension (RA) J200012h 13m 25.938s
Declination (Dec) J2000+10° 15' 44.428"
Position Uncertainty0.0080s
Proper Motion in RA (J2000)/cos(Dec)-0.00640
Proper Motion in Dec (J2000)-0.008066
Radial Velocity+002.3km s-1
Trigonometric Parallax+0.02018s
Trigonometric Parallax Uncertainty0.00072s
GCI Unit Vector in X (J2000)-0.982313
GCI Unit Vector in Y (J2000)-0.057639
GCI Unit Vector in Z (J2000)0.178155
Galactic Longitude273.19°
Galactic Latitude
70.90°
Observational Data
Observed Visual Magnitude (V)5.85
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.12
Observed B-V Colour+0.267
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.8
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeA2m
One-Dimensional Spectral ClassA2
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