Astronomy
Constellations - Aries - 25 Ari

 
Identification Data
Common Name
ConstellationAries
Star Name25 Ari
Skymap Number2270038
Henry Draper (HD) Number15228
Harvard Revised (HR) Number
SAO Number110537
Durchmusterung (DM) NumberBD+09 323
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number118239
Right Ascension (RA) J20002h 27m 23.389s
Declination (Dec) J2000+10° 11' 53.975"
Position Uncertainty0.0128s
Proper Motion in RA (J2000)/cos(Dec)-0.01998
Proper Motion in Dec (J2000)-0.202166
Radial Velocity-041.2km s-1
Trigonometric Parallax+0.02750s
Trigonometric Parallax Uncertainty0.00087s
GCI Unit Vector in X (J2000)0.787592
GCI Unit Vector in Y (J2000)0.590212
GCI Unit Vector in Z (J2000)0.177056
Galactic Longitude158.12°
Galactic Latitude
-46.01°
Observational Data
Observed Visual Magnitude (V)6.46
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude6.90
Observed B-V Colour+0.444
Observed B Magnitude or (B-V) Magnitude Uncertainty0.007
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.5
Observed Photographic Magnitude6.4
Morgan Keenan (MK) Spectral TypeF5V
One-Dimensional Spectral ClassG0
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