Astronomy
Constellations - Horologium - alp Hor

 
Identification Data
Common Name
ConstellationHorologium
Star Namealp Hor
Skymap Number4130133
Henry Draper (HD) Number26967
Harvard Revised (HR) Number1326
SAO Number216710
Durchmusterung (DM) NumberCD-42 1425
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number308436
Right Ascension (RA) J20004h 14m 0.114s
Declination (Dec) J2000-42° 17' 39.725"
Position Uncertainty0.0060s
Proper Motion in RA (J2000)/cos(Dec)+0.00378
Proper Motion in Dec (J2000)-0.203766
Radial Velocity+021.7km s-1
Trigonometric Parallax+0.02785s
Trigonometric Parallax Uncertainty0.00051s
GCI Unit Vector in X (J2000)0.330046
GCI Unit Vector in Y (J2000)0.661983
GCI Unit Vector in Z (J2000)-0.672940
Galactic Longitude246.87°
Galactic Latitude
-46.41°
Observational Data
Observed Visual Magnitude (V)3.86
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.95
Observed B-V Colour+1.093
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 Magnitude3.8
Observed Photographic Magnitude4.8
Morgan Keenan (MK) Spectral TypeK1III
One-Dimensional Spectral ClassK0
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 13:15:42 GMT+01:00 2001