Astronomy
Constellations - Pictor - eta1Pic

 
Identification Data
Common Name
ConstellationPictor
Star Nameeta1Pic
Skymap Number5020147
Henry Draper (HD) Number32743
Harvard Revised (HR) Number1649
SAO Number217140
Durchmusterung (DM) NumberCD-49 1541
Washington Double Stars (WDS) Number
05028-4909
Positional Data
Position and Proper Motion (PPM) Number309287
Right Ascension (RA) J20005h 2m 48.686s
Declination (Dec) J2000-49° 9' 5.066"
Position Uncertainty0.0063s
Proper Motion in RA (J2000)/cos(Dec)-0.00448
Proper Motion in Dec (J2000)+0.027266
Radial Velocity+021.4km s-1
Trigonometric Parallax+0.03819s
Trigonometric Parallax Uncertainty0.00051s
GCI Unit Vector in X (J2000)0.161521
GCI Unit Vector in Y (J2000)0.633805
GCI Unit Vector in Z (J2000)-0.756441
Galactic Longitude255.64°
Galactic Latitude
-37.63°
Observational Data
Observed Visual Magnitude (V)5.38
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.81
Observed B-V Colour+0.430
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 Magnitude5.3
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeF2V
One-Dimensional Spectral ClassF5
Position Angle198
Year of Observation1949. 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 13:15:48 GMT+01:00 2001