Astronomy
Constellations - Lynx - 4 Lyn

 
Identification Data
Common Name
ConstellationLynx
Star Name4 Lyn
Skymap Number6220015
Henry Draper (HD) Number43812
Harvard Revised (HR) Number2257
SAO Number25678
Durchmusterung (DM) NumberBD+59 964
Washington Double Stars (WDS) Number
06221+5922
Positional Data
Position and Proper Motion (PPM) Number30381
Right Ascension (RA) J20006h 22m 3.551s
Declination (Dec) J2000+59° 22' 19.557"
Position Uncertainty0.0094s
Proper Motion in RA (J2000)/cos(Dec)-0.00073
Proper Motion in Dec (J2000)+0.000667
Radial Velocity-016.0km s-1
Trigonometric Parallax+0.00773s
Trigonometric Parallax Uncertainty0.00088s
GCI Unit Vector in X (J2000)-0.048961
GCI Unit Vector in Y (J2000)0.507102
GCI Unit Vector in Z (J2000)0.860494
Galactic Longitude155.36°
Galactic Latitude
19.54°
Observational Data
Observed Visual Magnitude (V)6.09
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude6.22
Observed B-V Colour+0.127
Observed B Magnitude or (B-V) Magnitude Uncertainty0.007
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.0
Observed Photographic Magnitude6.1
Morgan Keenan (MK) Spectral TypeA3V
One-Dimensional Spectral ClassA2
Position Angle138
Year of Observation1990. 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