Astronomy
Constellations - Lynx - 20 Lyn

 
Identification Data
Common Name
ConstellationLynx
Star Name20 Lyn
Skymap Number7220287
Henry Draper (HD) Number57066
Harvard Revised (HR) Number
SAO Number26306
Durchmusterung (DM) NumberBD+50 1420
Washington Double Stars (WDS) Number
07223+5009
Positional Data
Position and Proper Motion (PPM) Number31083
Right Ascension (RA) J20007h 22m 15.106s
Declination (Dec) J2000+50° 8' 55.757"
Position Uncertainty0.0740s
Proper Motion in RA (J2000)/cos(Dec)-0.00258
Proper Motion in Dec (J2000)-0.031967
Radial Velocity+005.4km s-1
Trigonometric Parallax-0.00439s
Trigonometric Parallax Uncertainty0.00556s
GCI Unit Vector in X (J2000)-0.225071
GCI Unit Vector in Y (J2000)0.599969
GCI Unit Vector in Z (J2000)0.767711
Galactic Longitude167.53°
Galactic Latitude
25.25°
Observational Data
Observed Visual Magnitude (V)7.49
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.011
Observed B Magnitude7.67
Observed B-V Colour+0.181
Observed B Magnitude or (B-V) Magnitude Uncertainty0.015
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude7.4
Observed Photographic Magnitude7.8
Morgan Keenan (MK) Spectral Type
One-Dimensional Spectral ClassF0
Position Angle254
Year of Observation1964. 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 13:15:44 GMT+01:00 2001