Astronomy
Constellations - Circinus - bet Cir

 
Identification Data
Common Name
ConstellationCircinus
Star Namebet Cir
Skymap Number15170070
Henry Draper (HD) Number135379
Harvard Revised (HR) Number5670
SAO Number242384
Durchmusterung (DM) NumberCP-58 5875
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number343590
Right Ascension (RA) J200015h 17m 30.849s
Declination (Dec) J2000-58° 48' 4.349"
Position Uncertainty0.0107s
Proper Motion in RA (J2000)/cos(Dec)-0.01266
Proper Motion in Dec (J2000)-0.135566
Radial Velocity+009.6km s-1
Trigonometric Parallax+0.03375s
Trigonometric Parallax Uncertainty0.00075s
GCI Unit Vector in X (J2000)-0.337254
GCI Unit Vector in Y (J2000)-0.393183
GCI Unit Vector in Z (J2000)-0.855375
Galactic Longitude320.90°
Galactic Latitude
-1.12°
Observational Data
Observed Visual Magnitude (V)4.07
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.17
Observed B-V Colour+0.101
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 Magnitude4.2
Observed Photographic Magnitude4.2
Morgan Keenan (MK) Spectral TypeA3V
One-Dimensional Spectral ClassA3
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