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Astronomy
Constellations - Hydra - 48 Hya

 
Identification Data
Common Name
ConstellationHydra
Star Name48 Hya
Skymap Number14000003
Henry Draper (HD) Number122066
Harvard Revised (HR) Number5257
SAO Number182152
Durchmusterung (DM) NumberCD-2411215
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number262354
Right Ascension (RA) J200014h 0m 0.121s
Declination (Dec) J2000-25° 0' 37.450"
Position Uncertainty0.0096s
Proper Motion in RA (J2000)/cos(Dec)-0.01428
Proper Motion in Dec (J2000)-0.091866
Radial Velocity-017.0km s-1
Trigonometric Parallax+0.01743s
Trigonometric Parallax Uncertainty0.00078s
GCI Unit Vector in X (J2000)-0.784815
GCI Unit Vector in Y (J2000)-0.453122
GCI Unit Vector in Z (J2000)-0.422783
Galactic Longitude322.05°
Galactic Latitude
35.31°
Observational Data
Observed Visual Magnitude (V)5.77
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.25
Observed B-V Colour+0.477
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 Magnitude5.8
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeF7V
One-Dimensional Spectral ClassF0
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 13:15:43 GMT+01:00 2001
 
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