Astronomy
Constellations - Scuturn - eta Sct

 
Identification Data
Common Name
ConstellationScuturn
Star Nameeta Sct
Skymap Number18570016
Henry Draper (HD) Number175751
Harvard Revised (HR) Number7149
SAO Number142838
Durchmusterung (DM) NumberSD-06 4976
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number202351
Right Ascension (RA) J200018h 57m 3.669s
Declination (Dec) J2000-5° 50' 46.729"
Position Uncertainty0.0102s
Proper Motion in RA (J2000)/cos(Dec)+0.00407
Proper Motion in Dec (J2000)-0.040966
Radial Velocity-092.8km s-1
Trigonometric Parallax+0.01577s
Trigonometric Parallax Uncertainty0.00089s
GCI Unit Vector in X (J2000)0.245130
GCI Unit Vector in Y (J2000)-0.964124
GCI Unit Vector in Z (J2000)-0.101860
Galactic Longitude28.37°
Galactic Latitude
-3.91°
Observational Data
Observed Visual Magnitude (V)4.82
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.90
Observed B-V Colour+1.082
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 Magnitude4.8
Observed Photographic Magnitude6.0
Morgan Keenan (MK) Spectral TypeK1-III
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))

 
Page compiled: Sun Sep 02 13:15:49 GMT+01:00 2001