Astronomy
Constellations - Chameleon - alp Cha

 
Identification Data
Common Name
ConstellationChameleon
Star Namealp Cha
Skymap Number8180109
Henry Draper (HD) Number71243
Harvard Revised (HR) Number3318
SAO Number256496
Durchmusterung (DM) NumberCP-76 507
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number369878
Right Ascension (RA) J20008h 18m 31.550s
Declination (Dec) J2000-76° 55' 11.001"
Position Uncertainty0.0064s
Proper Motion in RA (J2000)/cos(Dec)+0.03236
Proper Motion in Dec (J2000)+0.106966
Radial Velocity-013.2km s-1
Trigonometric Parallax+0.05140s
Trigonometric Parallax Uncertainty0.00049s
GCI Unit Vector in X (J2000)-0.128614
GCI Unit Vector in Y (J2000)0.186218
GCI Unit Vector in Z (J2000)-0.974054
Galactic Longitude289.86°
Galactic Latitude
-21.68°
Observational Data
Observed Visual Magnitude (V)4.06
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.47
Observed B-V Colour+0.408
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 Magnitude3.7
Observed Photographic Magnitude4.5
Morgan Keenan (MK) Spectral TypeF5III
One-Dimensional Spectral ClassF5
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 13:15:37 GMT+01:00 2001