Astronomy
Constellations - Lacerta - 6 Lac

 
Identification Data
Common Name
ConstellationLacerta
Star Name6 Lac
Skymap Number22300081
Henry Draper (HD) Number213420
Harvard Revised (HR) Number8579
SAO Number52079
Durchmusterung (DM) NumberBD+42 4420
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number63038
Right Ascension (RA) J200022h 30m 29.260s
Declination (Dec) J2000+43° 7' 24.153"
Position Uncertainty0.0055s
Proper Motion in RA (J2000)/cos(Dec)-0.00019
Proper Motion in Dec (J2000)-0.005866
Radial Velocity-008.0km s-1
Trigonometric Parallax+0.00238s
Trigonometric Parallax Uncertainty0.00064s
GCI Unit Vector in X (J2000)0.674917
GCI Unit Vector in Y (J2000)-0.277879
GCI Unit Vector in Z (J2000)0.683572
Galactic Longitude97.37°
Galactic Latitude
-12.64°
Observational Data
Observed Visual Magnitude (V)4.53
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.43
Observed B-V Colour-0.101
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.5
Observed Photographic Magnitude4.4
Morgan Keenan (MK) Spectral TypeB2IV
One-Dimensional Spectral ClassB3
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))

 
Page compiled: Sun Sep 02 13:15:43 GMT+01:00 2001