Astronomy
Constellations - Boötes - 38 Boo (Merga)

 
Identification Data
Common NameMerga
ConstellationBoötes
Star Name38 Boo
Skymap Number14490053
Henry Draper (HD) Number130945
Harvard Revised (HR) Number5533
SAO Number45226
Durchmusterung (DM) NumberBD+46 1993
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number54353
Right Ascension (RA) J200014h 49m 18.669s
Declination (Dec) J2000+46° 6' 58.340"
Position Uncertainty0.0066s
Proper Motion in RA (J2000)/cos(Dec)-0.00071
Proper Motion in Dec (J2000)-0.077366
Radial Velocity-004.7km s-1
Trigonometric Parallax+0.02134s
Trigonometric Parallax Uncertainty0.00055s
GCI Unit Vector in X (J2000)-0.512484
GCI Unit Vector in Y (J2000)-0.466780
GCI Unit Vector in Z (J2000)0.720747
Galactic Longitude79.97°
Galactic Latitude
59.97°
Observational Data
Observed Visual Magnitude (V)5.76
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.24
Observed B-V Colour+0.477
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.8
Observed Photographic Magnitude6.2
Morgan Keenan (MK) Spectral TypeF7IVw
One-Dimensional Spectral ClassF5
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 13:15:34 GMT+01:00 2001