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Astronomy
Constellations - Octans - psi Oct

 
Identification Data
Common Name
ConstellationOctans
Star Namepsi Oct
Skymap Number22170122
Henry Draper (HD) Number210853
Harvard Revised (HR) Number8471
SAO Number258020
Durchmusterung (DM) NumberCP-78 1442
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number375305
Right Ascension (RA) J200022h 17m 50.595s
Declination (Dec) J2000-77° 30' 41.592"
Position Uncertainty0.0063s
Proper Motion in RA (J2000)/cos(Dec)-0.01149
Proper Motion in Dec (J2000)+0.014366
Radial Velocity+017.0km s-1
Trigonometric Parallax+0.02600s
Trigonometric Parallax Uncertainty0.00052s
GCI Unit Vector in X (J2000)0.195114
GCI Unit Vector in Y (J2000)-0.093228
GCI Unit Vector in Z (J2000)-0.976340
Galactic Longitude312.56°
Galactic Latitude
-36.59°
Observational Data
Observed Visual Magnitude (V)5.48
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.80
Observed B-V Colour+0.318
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.6
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeF3III
One-Dimensional Spectral ClassA5
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 13:15:45 GMT+01:00 2001
 
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