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Astronomy
Constellations - Hydra - 34 Hya

 
Identification Data
Common Name
ConstellationHydra
Star Name34 Hya
Skymap Number9370132
Henry Draper (HD) Number83373
Harvard Revised (HR) Number3832
SAO Number137011
Durchmusterung (DM) NumberSD-08 2725
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number192580
Right Ascension (RA) J20009h 37m 51.505s
Declination (Dec) J2000-9° 25' 28.007"
Position Uncertainty0.0084s
Proper Motion in RA (J2000)/cos(Dec)-0.00417
Proper Motion in Dec (J2000)+0.007766
Radial Velocity+025.km s-1
Trigonometric Parallax+0.00870s
Trigonometric Parallax Uncertainty0.00088s
GCI Unit Vector in X (J2000)-0.802773
GCI Unit Vector in Y (J2000)0.573361
GCI Unit Vector in Z (J2000)-0.163747
Galactic Longitude244.01°
Galactic Latitude
30.55°
Observational Data
Observed Visual Magnitude (V)6.40
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude6.37
Observed B-V Colour-0.031
Observed B Magnitude or (B-V) Magnitude Uncertainty0.006
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.9
Observed Photographic Magnitude6.4
Morgan Keenan (MK) Spectral TypeA1V
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))

 
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Page compiled: Sun Sep 02 13:15:42 GMT+01:00 2001
 
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