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Astronomy
Constellations - Lyra - 15lam Lyr

 
Identification Data
Common Name
ConstellationLyra
Star Name15lam Lyr
Skymap Number19000007
Henry Draper (HD) Number176670
Harvard Revised (HR) Number7192
SAO Number67682
Durchmusterung (DM) NumberBD+31 3424
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number82162
Right Ascension (RA) J200019h 0m 0.825s
Declination (Dec) J2000+32° 8' 43.851"
Position Uncertainty0.0059s
Proper Motion in RA (J2000)/cos(Dec)+0.00048
Proper Motion in Dec (J2000)+0.009866
Radial Velocity-017.7km s-1
Trigonometric Parallax+0.00212s
Trigonometric Parallax Uncertainty0.00055s
GCI Unit Vector in X (J2000)0.219191
GCI Unit Vector in Y (J2000)-0.817836
GCI Unit Vector in Z (J2000)0.532071
Galactic Longitude62.91°
Galactic Latitude
12.38°
Observational Data
Observed Visual Magnitude (V)4.94
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude6.40
Observed B-V Colour+1.456
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 Magnitude5.1
Observed Photographic Magnitude6.3
Morgan Keenan (MK) Spectral TypeK2.5III:Ba0.5
One-Dimensional Spectral ClassK5
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 13:15:45 GMT+01:00 2001
 
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