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Astronomy
Constellations - Ursa Major - 2 UMa

 
Identification Data
Common Name
ConstellationUrsa Major
Star Name2 UMa
Skymap Number8340127
Henry Draper (HD) Number72037
Harvard Revised (HR) Number3354
SAO Number14590
Durchmusterung (DM) NumberBD+65 638
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number16680
Right Ascension (RA) J20008h 34m 36.122s
Declination (Dec) J2000+65° 8' 42.613"
Position Uncertainty0.0067s
Proper Motion in RA (J2000)/cos(Dec)-0.00746
Proper Motion in Dec (J2000)-0.042566
Radial Velocity-015.5km s-1
Trigonometric Parallax+0.02063s
Trigonometric Parallax Uncertainty0.00071s
GCI Unit Vector in X (J2000)-0.262519
GCI Unit Vector in Y (J2000)0.328258
GCI Unit Vector in Z (J2000)0.907376
Galactic Longitude150.52°
Galactic Latitude
35.21°
Observational Data
Observed Visual Magnitude (V)5.46
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.68
Observed B-V Colour+0.217
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 Magnitude5.4
Observed Photographic Magnitude5.4
Morgan Keenan (MK) Spectral TypeA2m
One-Dimensional Spectral ClassA0
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 13:15:51 GMT+01:00 2001
 
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