Astronomy
Constellations - Ara - lam Ara

 
Identification Data
Common Name
ConstellationAra
Star Namelam Ara
Skymap Number17400050
Henry Draper (HD) Number160032
Harvard Revised (HR) Number6569
SAO Number228257
Durchmusterung (DM) NumberCD-4911616
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number323240
Right Ascension (RA) J200017h 40m 23.825s
Declination (Dec) J2000-49° 24' 56.112"
Position Uncertainty0.0081s
Proper Motion in RA (J2000)/cos(Dec)+0.01069
Proper Motion in Dec (J2000)-0.177766
Radial Velocity+003.7km s-1
Trigonometric Parallax+0.04572s
Trigonometric Parallax Uncertainty0.00079s
GCI Unit Vector in X (J2000)-0.055578
GCI Unit Vector in Y (J2000)-0.648189
GCI Unit Vector in Z (J2000)-0.759448
Galactic Longitude341.89°
Galactic Latitude
-9.77°
Observational Data
Observed Visual Magnitude (V)4.76
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.17
Observed B-V Colour+0.407
Observed B Magnitude or (B-V) Magnitude Uncertainty0.006
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.8
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeF3IV
One-Dimensional Spectral ClassF5
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 13:15:33 GMT+01:00 2001