Astronomy
Constellations - Ursa Major - 13sig2UMa

 
Identification Data
Common Name
ConstellationUrsa Major
Star Name13sig2UMa
Skymap Number9100067
Henry Draper (HD) Number78154
Harvard Revised (HR) Number3616
SAO Number14788
Durchmusterung (DM) NumberBD+67 577
Washington Double Stars (WDS) Number
09104+6708
Positional Data
Position and Proper Motion (PPM) Number16933
Right Ascension (RA) J20009h 10m 23.545s
Declination (Dec) J2000+67° 8' 2.465"
Position Uncertainty0.0055s
Proper Motion in RA (J2000)/cos(Dec)+0.00221
Proper Motion in Dec (J2000)-0.090967
Radial Velocity-002.2km s-1
Trigonometric Parallax+0.04887s
Trigonometric Parallax Uncertainty0.00062s
GCI Unit Vector in X (J2000)-0.286938
GCI Unit Vector in Y (J2000)0.262028
GCI Unit Vector in Z (J2000)0.921416
Galactic Longitude146.88°
Galactic Latitude
38.11°
Observational Data
Observed Visual Magnitude (V)4.82
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.32
Observed B-V Colour+0.495
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.9
Observed Photographic Magnitude5.4
Morgan Keenan (MK) Spectral TypeF6IV
One-Dimensional Spectral ClassF8
Position Angle359
Year of Observation1988. 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 13:15:51 GMT+01:00 2001