Astronomy
Constellations - Aries - 61tau1Ari

 
Identification Data
Common Name
ConstellationAries
Star Name61tau1Ari
Skymap Number3210027
Henry Draper (HD) Number20756
Harvard Revised (HR) Number1005
SAO Number75886
Durchmusterung (DM) NumberBD+20 543
Washington Double Stars (WDS) Number
03212+2109
Positional Data
Position and Proper Motion (PPM) Number92422
Right Ascension (RA) J20003h 21m 13.624s
Declination (Dec) J2000+21° 8' 49.510"
Position Uncertainty0.0135s
Proper Motion in RA (J2000)/cos(Dec)+0.00155
Proper Motion in Dec (J2000)-0.022467
Radial Velocity+015.8km s-1
Trigonometric Parallax+0.00706s
Trigonometric Parallax Uncertainty0.00103s
GCI Unit Vector in X (J2000)0.595667
GCI Unit Vector in Y (J2000)0.717657
GCI Unit Vector in Z (J2000)0.360763
Galactic Longitude163.66°
Galactic Latitude
-29.64°
Observational Data
Observed Visual Magnitude (V)5.31
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.005
Observed B Magnitude5.23
Observed B-V Colour-0.078
Observed B Magnitude or (B-V) Magnitude Uncertainty0.007
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.2
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB5IV
One-Dimensional Spectral ClassB3
Position Angle230
Year of Observation1989. 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