Astronomy
Constellations - Lacerta - 13 Lac

 
Identification Data
Common Name
ConstellationLacerta
Star Name13 Lac
Skymap Number22440013
Henry Draper (HD) Number215373
Harvard Revised (HR) Number8656
SAO Number52317
Durchmusterung (DM) NumberBD+41 4594
Washington Double Stars (WDS) Number
22441+4149
Positional Data
Position and Proper Motion (PPM) Number63335
Right Ascension (RA) J200022h 44m 5.479s
Declination (Dec) J2000+41° 49' 9.245"
Position Uncertainty0.0049s
Proper Motion in RA (J2000)/cos(Dec)-0.00075
Proper Motion in Dec (J2000)+0.003166
Radial Velocity+013.2km s-1
Trigonometric Parallax+0.01189s
Trigonometric Parallax Uncertainty0.00060s
GCI Unit Vector in X (J2000)0.704746
GCI Unit Vector in Y (J2000)-0.242350
GCI Unit Vector in Z (J2000)0.666783
Galactic Longitude98.92°
Galactic Latitude
-15.04°
Observational Data
Observed Visual Magnitude (V)5.11
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude6.07
Observed B-V Colour+0.956
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 Magnitude5.2
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeK0III
One-Dimensional Spectral ClassK0
Position Angle129
Year of Observation1958. 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