tcaep.co.uk Navigation. See bottom for text alternatives
Previous Page...
 
Printer Version
Astronomy
Constellations - Lacerta - 8 Lac

 
Identification Data
Common Name
ConstellationLacerta
Star Name8 Lac
Skymap Number22350152
Henry Draper (HD) Number214168
Harvard Revised (HR) Number8603
SAO Number72509
Durchmusterung (DM) NumberBD+38 4808
Washington Double Stars (WDS) Number
22359+3938
Positional Data
Position and Proper Motion (PPM) Number87963
Right Ascension (RA) J200022h 35m 52.285s
Declination (Dec) J2000+39° 38' 3.590"
Position Uncertainty0.0271s
Proper Motion in RA (J2000)/cos(Dec)+0.00010
Proper Motion in Dec (J2000)-0.004467
Radial Velocity-013.5km s-1
Trigonometric Parallax+0.00510s
Trigonometric Parallax Uncertainty0.00179s
GCI Unit Vector in X (J2000)0.718824
GCI Unit Vector in Y (J2000)-0.276394
GCI Unit Vector in Z (J2000)0.637886
Galactic Longitude96.38°
Galactic Latitude
-16.15°
Observational Data
Observed Visual Magnitude (V)5.71
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude5.55
Observed B-V Colour-0.160
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 Magnitude5.8
Observed Photographic Magnitude5.7
Morgan Keenan (MK) Spectral TypeB2Ve
One-Dimensional Spectral ClassB3
Position Angle185
Year of Observation1986. 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))

 
[ H O M E ] [ S C I E N C E ] [ M A T H S ] [ A S T R O N O M Y ]
Download | Shop | Contact | About
 
Page compiled: Sun Sep 02 13:15:43 GMT+01:00 2001
 
The Bottom Line
HomeScienceMathsAstronomyDownloadBookshopContactAbout Top of Page