Astronomy
Constellations - Octans - eta Oct

 
Identification Data
Common Name
ConstellationOctans
Star Nameeta Oct
Skymap Number10590039
Henry Draper (HD) Number96124
Harvard Revised (HR) Number4312
SAO Number258600
Durchmusterung (DM) NumberCP-83 386
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number377290
Right Ascension (RA) J200010h 59m 13.767s
Declination (Dec) J2000-84° 35' 38.015"
Position Uncertainty0.0075s
Proper Motion in RA (J2000)/cos(Dec)-0.04538
Proper Motion in Dec (J2000)-0.008066
Radial Velocity-003.km s-1
Trigonometric Parallax+0.00917s
Trigonometric Parallax Uncertainty0.00051s
GCI Unit Vector in X (J2000)-0.090922
GCI Unit Vector in Y (J2000)0.024690
GCI Unit Vector in Z (J2000)-0.995552
Galactic Longitude300.19°
Galactic Latitude
-22.33°
Observational Data
Observed Visual Magnitude (V)6.19
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.29
Observed B-V Colour+0.096
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 Magnitude6.3
Observed Photographic Magnitude
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))

 
Page compiled: Sun Sep 02 13:15:45 GMT+01:00 2001