Astronomy
Constellations - Ursa Major - 25the UMa

 
Identification Data
Common Name
ConstellationUrsa Major
Star Name25the UMa
Skymap Number9320161
Henry Draper (HD) Number82328
Harvard Revised (HR) Number3775
SAO Number27289
Durchmusterung (DM) NumberBD+52 1401
Washington Double Stars (WDS) Number
09329+5141
Positional Data
Position and Proper Motion (PPM) Number32203
Right Ascension (RA) J20009h 32m 51.434s
Declination (Dec) J2000+51° 40' 38.281"
Position Uncertainty0.0063s
Proper Motion in RA (J2000)/cos(Dec)-0.10182
Proper Motion in Dec (J2000)-0.535666
Radial Velocity+015.4km s-1
Trigonometric Parallax+0.07415s
Trigonometric Parallax Uncertainty0.00074s
GCI Unit Vector in X (J2000)-0.496618
GCI Unit Vector in Y (J2000)0.371324
GCI Unit Vector in Z (J2000)0.784531
Galactic Longitude165.45°
Galactic Latitude
45.66°
Observational Data
Observed Visual Magnitude (V)3.18
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude3.66
Observed B-V Colour+0.484
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 Magnitude3.3
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeF6IV
One-Dimensional Spectral ClassF8
Position Angle101
Year of Observation1958. 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 13:15:52 GMT+01:00 2001