Astronomy
Constellations - Aries - 40 Ari

 
Identification Data
Common Name
ConstellationAries
Star Name40 Ari
Skymap Number2480082
Henry Draper (HD) Number17459
Harvard Revised (HR) Number828
SAO Number93118
Durchmusterung (DM) NumberBD+17 442
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number118572
Right Ascension (RA) J20002h 48m 32.089s
Declination (Dec) J2000+18° 17' 1.646"
Position Uncertainty0.0107s
Proper Motion in RA (J2000)/cos(Dec)+0.00299
Proper Motion in Dec (J2000)-0.032866
Radial Velocity+046.6km s-1
Trigonometric Parallax+0.00650s
Trigonometric Parallax Uncertainty0.00095s
GCI Unit Vector in X (J2000)0.704142
GCI Unit Vector in Y (J2000)0.636994
GCI Unit Vector in Z (J2000)0.313724
Galactic Longitude158.19°
Galactic Latitude
-36.45°
Observational Data
Observed Visual Magnitude (V)5.83
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude7.04
Observed B-V Colour+1.214
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 Magnitude6.0
Observed Photographic Magnitude7.3
Morgan Keenan (MK) Spectral TypeK1III
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 13:15:33 GMT+01:00 2001