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Astronomy
Constellations - Aries - 49 Ari

 
Identification Data
Common Name
ConstellationAries
Star Name49 Ari
Skymap Number3010108
Henry Draper (HD) Number18769
Harvard Revised (HR) Number905
SAO Number75693
Durchmusterung (DM) NumberBD+25 477
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number92159
Right Ascension (RA) J20003h 1m 54.141s
Declination (Dec) J2000+26° 27' 44.474"
Position Uncertainty0.0117s
Proper Motion in RA (J2000)/cos(Dec)-0.00103
Proper Motion in Dec (J2000)+0.004966
Radial Velocity-006.6km s-1
Trigonometric Parallax+0.01524s
Trigonometric Parallax Uncertainty0.00087s
GCI Unit Vector in X (J2000)0.627745
GCI Unit Vector in Y (J2000)0.638254
GCI Unit Vector in Z (J2000)0.445610
Galactic Longitude156.03°
Galactic Latitude
-27.90°
Observational Data
Observed Visual Magnitude (V)5.92
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.07
Observed B-V Colour+0.149
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 Magnitude5.9
Observed Photographic Magnitude6.0
Morgan Keenan (MK) Spectral TypeA3m
One-Dimensional Spectral ClassA2
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))

 
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Page compiled: Sun Sep 02 13:15:33 GMT+01:00 2001
 
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