Astronomy
Constellations - Aquarius - 101 Aqr

 
Identification Data
Common Name
ConstellationAquarius
Star Name101 Aqr
Skymap Number23330037
Henry Draper (HD) Number221565
Harvard Revised (HR) Number8939
SAO Number191988
Durchmusterung (DM) NumberSD-21 6437
Washington Double Stars (WDS) Number
23333-2055
Positional Data
Position and Proper Motion (PPM) Number275084
Right Ascension (RA) J200023h 33m 16.623s
Declination (Dec) J2000-20° 54' 52.215"
Position Uncertainty0.0095s
Proper Motion in RA (J2000)/cos(Dec)-0.00018
Proper Motion in Dec (J2000)+0.008667
Radial Velocity+015.0km s-1
Trigonometric Parallax+0.01018s
Trigonometric Parallax Uncertainty0.00075s
GCI Unit Vector in X (J2000)0.927771
GCI Unit Vector in Y (J2000)-0.108672
GCI Unit Vector in Z (J2000)-0.356974
Galactic Longitude47.95°
Galactic Latitude
-71.13°
Observational Data
Observed Visual Magnitude (V)4.71
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.73
Observed B-V Colour+0.018
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.6
Observed Photographic Magnitude4.8
Morgan Keenan (MK) Spectral TypeA1n
One-Dimensional Spectral ClassA0
Position Angle126
Year of Observation1971. 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 13:15:33 GMT+01:00 2001