Astronomy
Constellations - Lacerta - 15 Lac

 
Identification Data
Common Name
ConstellationLacerta
Star Name15 Lac
Skymap Number22520005
Henry Draper (HD) Number216397
Harvard Revised (HR) Number8699
SAO Number52436
Durchmusterung (DM) NumberBD+42 4521
Washington Double Stars (WDS) Number
22520+4319
Positional Data
Position and Proper Motion (PPM) Number63505
Right Ascension (RA) J200022h 52m 2.035s
Declination (Dec) J2000+43° 18' 44.702"
Position Uncertainty0.0056s
Proper Motion in RA (J2000)/cos(Dec)+0.01002
Proper Motion in Dec (J2000)+0.021566
Radial Velocity-016.9km s-1
Trigonometric Parallax+0.00999s
Trigonometric Parallax Uncertainty0.00064s
GCI Unit Vector in X (J2000)0.695862
GCI Unit Vector in Y (J2000)-0.212634
GCI Unit Vector in Z (J2000)0.685976
Galactic Longitude100.98°
Galactic Latitude
-14.41°
Observational Data
Observed Visual Magnitude (V)4.94
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude6.50
Observed B-V Colour+1.563
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.2
Observed Photographic Magnitude6.3
Morgan Keenan (MK) Spectral TypeM0III
One-Dimensional Spectral ClassK5
Position Angle144
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