Astronomy
Constellations - Lupus - tau2Lup

 
Identification Data
Common Name
ConstellationLupus
Star Nametau2Lup
Skymap Number14260031
Henry Draper (HD) Number126354
Harvard Revised (HR) Number5396
SAO Number224920
Durchmusterung (DM) NumberCD-44 9323
Washington Double Stars (WDS) Number
14262-4523
Positional Data
Position and Proper Motion (PPM) Number319522
Right Ascension (RA) J200014h 26m 10.814s
Declination (Dec) J2000-45° 22' 45.418"
Position Uncertainty0.0197s
Proper Motion in RA (J2000)/cos(Dec)+0.00136
Proper Motion in Dec (J2000)-0.014267
Radial Velocity-001.2km s-1
Trigonometric Parallax+0.01038s
Trigonometric Parallax Uncertainty0.00072s
GCI Unit Vector in X (J2000)-0.564309
GCI Unit Vector in Y (J2000)-0.418254
GCI Unit Vector in Z (J2000)-0.711772
Galactic Longitude319.87°
Galactic Latitude
14.35°
Observational Data
Observed Visual Magnitude (V)4.35
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.78
Observed B-V Colour+0.431
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 Magnitude4.0
Observed Photographic Magnitude5.0
Morgan Keenan (MK) Spectral TypeF4IV+A7:
One-Dimensional Spectral ClassF8
Position Angle189
Year of Observation1991. 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 13:15:44 GMT+01:00 2001