Astronomy
Constellations - Hercules - 64alp2Her

 
Identification Data
Common Name
ConstellationHercules
Star Name64alp2Her
Skymap Number17140107
Henry Draper (HD) Number156015
Harvard Revised (HR) Number6407
SAO Number102681
Durchmusterung (DM) NumberBD+14 3207
Washington Double Stars (WDS) Number
17146+1423
Positional Data
Position and Proper Motion (PPM) Number400225
Right Ascension (RA) J200017h 14m 39.180s
Declination (Dec) J2000+14° 23' 23.979"
Position Uncertainty0.0558s
Proper Motion in RA (J2000)/cos(Dec)-0.00046
Proper Motion in Dec (J2000)+0.032867
Radial Velocity-032.5km s-1
Trigonometric Parallax+0.00853s
Trigonometric Parallax Uncertainty0.00280s
GCI Unit Vector in X (J2000)-0.190408
GCI Unit Vector in Y (J2000)-0.949727
GCI Unit Vector in Z (J2000)0.248521
Galactic Longitude35.54°
Galactic Latitude
27.82°
Observational Data
Observed Visual Magnitude (V)5.39
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.750
Observed B Magnitude
Observed B-V Colour
Observed B Magnitude or (B-V) Magnitude Uncertainty
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.4
Observed Photographic Magnitude6.7
Morgan Keenan (MK) Spectral TypeG5III+F2V
One-Dimensional Spectral ClassM0
Position Angle106
Year of Observation1993. 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 13:15:42 GMT+01:00 2001