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Astronomy
Constellations - Hydra - phi3Hya

 
Identification Data
Common Name
ConstellationHydra
Star Namephi3Hya
Skymap Number10380093
Henry Draper (HD) Number92214
Harvard Revised (HR) Number4171
SAO Number156122
Durchmusterung (DM) NumberSD-16 3100
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number223249
Right Ascension (RA) J200010h 38m 34.953s
Declination (Dec) J2000-16° 52' 35.659"
Position Uncertainty0.0165s
Proper Motion in RA (J2000)/cos(Dec)-0.00687
Proper Motion in Dec (J2000)+0.026866
Radial Velocity+017.9km s-1
Trigonometric Parallax+0.01452s
Trigonometric Parallax Uncertainty0.00089s
GCI Unit Vector in X (J2000)-0.897181
GCI Unit Vector in Y (J2000)0.332845
GCI Unit Vector in Z (J2000)-0.290311
Galactic Longitude262.89°
Galactic Latitude
35.46°
Observational Data
Observed Visual Magnitude (V)4.91
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.82
Observed B-V Colour+0.912
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 Magnitude5.1
Observed Photographic Magnitude6.1
Morgan Keenan (MK) Spectral TypeG8IIIFe-0.5
One-Dimensional Spectral ClassK0
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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