Astronomy
Constellations - Hercules - 37 Her

 
Identification Data
Common Name
ConstellationHercules
Star Name37 Her
Skymap Number16400104
Henry Draper (HD) Number150378
Harvard Revised (HR) Number6195
SAO Number121776
Durchmusterung (DM) NumberBD+04 3235
Washington Double Stars (WDS) Number
16406+0413
Positional Data
Position and Proper Motion (PPM) Number162961
Right Ascension (RA) J200016h 40m 38.686s
Declination (Dec) J2000+4° 13' 11.240"
Position Uncertainty0.0089s
Proper Motion in RA (J2000)/cos(Dec)-0.00002
Proper Motion in Dec (J2000)-0.010766
Radial Velocity-028.0km s-1
Trigonometric Parallax+0.01076s
Trigonometric Parallax Uncertainty0.00087s
GCI Unit Vector in X (J2000)-0.338455
GCI Unit Vector in Y (J2000)-0.938101
GCI Unit Vector in Z (J2000)0.073583
Galactic Longitude20.82°
Galactic Latitude
30.87°
Observational Data
Observed Visual Magnitude (V)5.78
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.77
Observed B-V Colour-0.007
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 Magnitude5.7
Observed Photographic Magnitude5.6
Morgan Keenan (MK) Spectral TypeA1V
One-Dimensional Spectral ClassA0
Position Angle89
Year of Observation1988. 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