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Astronomy
Constellations - Lyra - 16 Lyr

 
Identification Data
Common Name
ConstellationLyra
Star Name16 Lyr
Skymap Number19010103
Henry Draper (HD) Number177196
Harvard Revised (HR) Number7215
SAO Number48011
Durchmusterung (DM) NumberBD+46 2602
Washington Double Stars (WDS) Number
19014+4656
Positional Data
Position and Proper Motion (PPM) Number57761
Right Ascension (RA) J200019h 1m 26.371s
Declination (Dec) J2000+46° 56' 5.325"
Position Uncertainty0.0063s
Proper Motion in RA (J2000)/cos(Dec)+0.00133
Proper Motion in Dec (J2000)-0.086166
Radial Velocity+007.6km s-1
Trigonometric Parallax+0.02554s
Trigonometric Parallax Uncertainty0.00046s
GCI Unit Vector in X (J2000)0.180869
GCI Unit Vector in Y (J2000)-0.658440
GCI Unit Vector in Z (J2000)0.730577
Galactic Longitude77.15°
Galactic Latitude
17.86°
Observational Data
Observed Visual Magnitude (V)5.01
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.21
Observed B-V Colour+0.195
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 Magnitude5.2
Morgan Keenan (MK) Spectral TypeA7V
One-Dimensional Spectral ClassA5
Position Angle281
Year of Observation1925. 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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