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Astronomy
Constellations - Aquarius - 71tau2Aqr

 
Identification Data
Common Name
ConstellationAquarius
Star Name71tau2Aqr
Skymap Number22490081
Henry Draper (HD) Number216032
Harvard Revised (HR) Number8679
SAO Number165321
Durchmusterung (DM) NumberSD-14 6354
Washington Double Stars (WDS) Number
22495-1335
Positional Data
Position and Proper Motion (PPM) Number240808
Right Ascension (RA) J200022h 49m 35.502s
Declination (Dec) J2000-13° 35' 33.475"
Position Uncertainty0.0184s
Proper Motion in RA (J2000)/cos(Dec)-0.00086
Proper Motion in Dec (J2000)-0.038866
Radial Velocity+001.0km s-1
Trigonometric Parallax+0.00858s
Trigonometric Parallax Uncertainty0.00098s
GCI Unit Vector in X (J2000)0.926482
GCI Unit Vector in Y (J2000)-0.293934
GCI Unit Vector in Z (J2000)-0.235017
Galactic Longitude52.28°
Galactic Latitude
-58.52°
Observational Data
Observed Visual Magnitude (V)4.04
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.61
Observed B-V Colour+1.567
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.2
Observed Photographic Magnitude5.4
Morgan Keenan (MK) Spectral TypeM0III
One-Dimensional Spectral ClassK5
Position Angle293
Year of Observation1962. 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 13:15:33 GMT+01:00 2001
 
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