Astronomy
Constellations - Lyra - 6zet1Lyr

 
Identification Data
Common Name
ConstellationLyra
Star Name6zet1Lyr
Skymap Number18440194
Henry Draper (HD) Number173648
Harvard Revised (HR) Number7056
SAO Number67321
Durchmusterung (DM) NumberBD+37 3222
Washington Double Stars (WDS) Number
18448+3736
Positional Data
Position and Proper Motion (PPM) Number81740
Right Ascension (RA) J200018h 44m 46.357s
Declination (Dec) J2000+37° 36' 18.413"
Position Uncertainty0.0069s
Proper Motion in RA (J2000)/cos(Dec)+0.00246
Proper Motion in Dec (J2000)+0.026666
Radial Velocity-026.0km s-1
Trigonometric Parallax+0.02123s
Trigonometric Parallax Uncertainty0.00054s
GCI Unit Vector in X (J2000)0.153786
GCI Unit Vector in Y (J2000)-0.777166
GCI Unit Vector in Z (J2000)0.610216
Galactic Longitude66.86°
Galactic Latitude
17.38°
Observational Data
Observed Visual Magnitude (V)4.34
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.55
Observed B-V Colour+0.208
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 Magnitude4.3
Observed Photographic Magnitude4.4
Morgan Keenan (MK) Spectral TypeA4m
One-Dimensional Spectral ClassA3
Position Angle50
Year of Observation1934. 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 13:15:45 GMT+01:00 2001