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Astronomy
Constellations - Horologium - iot Hor

 
Identification Data
Common Name
ConstellationHorologium
Star Nameiot Hor
Skymap Number2420097
Henry Draper (HD) Number17051
Harvard Revised (HR) Number810
SAO Number232864
Durchmusterung (DM) NumberCD-51 641
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number332074
Right Ascension (RA) J20002h 42m 33.466s
Declination (Dec) J2000-50° 48' 1.058"
Position Uncertainty0.0056s
Proper Motion in RA (J2000)/cos(Dec)+0.03520
Proper Motion in Dec (J2000)+0.219266
Radial Velocity+015.5km s-1
Trigonometric Parallax+0.05800s
Trigonometric Parallax Uncertainty0.00055s
GCI Unit Vector in X (J2000)0.479595
GCI Unit Vector in Y (J2000)0.411636
GCI Unit Vector in Z (J2000)-0.774948
Galactic Longitude268.81°
Galactic Latitude
-58.33°
Observational Data
Observed Visual Magnitude (V)5.40
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.97
Observed B-V Colour+0.570
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 Magnitude5.3
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeG0V
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))

 
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Page compiled: Sun Sep 02 13:15:42 GMT+01:00 2001
 
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