Astronomy
Constellations - Hercules - 11phi Her

 
Identification Data
Common Name
ConstellationHercules
Star Name11phi Her
Skymap Number16080135
Henry Draper (HD) Number145389
Harvard Revised (HR) Number6023
SAO Number45911
Durchmusterung (DM) NumberBD+45 2376
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number55199
Right Ascension (RA) J200016h 8m 46.177s
Declination (Dec) J2000+44° 56' 5.662"
Position Uncertainty0.0060s
Proper Motion in RA (J2000)/cos(Dec)-0.00245
Proper Motion in Dec (J2000)+0.035966
Radial Velocity-015.6km s-1
Trigonometric Parallax+0.01427s
Trigonometric Parallax Uncertainty0.00052s
GCI Unit Vector in X (J2000)-0.330243
GCI Unit Vector in Y (J2000)-0.626160
GCI Unit Vector in Z (J2000)0.706303
Galactic Longitude70.84°
Galactic Latitude
47.11°
Observational Data
Observed Visual Magnitude (V)4.24
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.19
Observed B-V Colour-0.049
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.3
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB9p:Mn:
One-Dimensional Spectral ClassB9
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 13:15:41 GMT+01:00 2001