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Astronomy
Constellations - Hydrus - pi 2Hyi

 
Identification Data
Common Name
ConstellationHydrus
Star Namepi 2Hyi
Skymap Number2150074
Henry Draper (HD) Number14287
Harvard Revised (HR) Number678
SAO Number248521
Durchmusterung (DM) NumberCP-68 128
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number352831
Right Ascension (RA) J20002h 15m 28.624s
Declination (Dec) J2000-67° 44' 46.917"
Position Uncertainty0.0058s
Proper Motion in RA (J2000)/cos(Dec)+0.00757
Proper Motion in Dec (J2000)-0.012766
Radial Velocity+017.4km s-1
Trigonometric Parallax+0.00697s
Trigonometric Parallax Uncertainty0.00050s
GCI Unit Vector in X (J2000)0.314445
GCI Unit Vector in Y (J2000)0.211054
GCI Unit Vector in Z (J2000)-0.925516
Galactic Longitude291.35°
Galactic Latitude
-47.45°
Observational Data
Observed Visual Magnitude (V)5.67
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.98
Observed B-V Colour+1.311
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
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 TypeK2III
One-Dimensional Spectral ClassK5
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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