Astronomy
Constellations - Orion - 2pi 2Ori (Tabit (1544))

 
Identification Data
Common NameTabit (1544)
ConstellationOrion
Star Name2pi 2Ori
Skymap Number4500103
Henry Draper (HD) Number30739
Harvard Revised (HR) Number1544
SAO Number112124
Durchmusterung (DM) NumberBD+08 777
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number148045
Right Ascension (RA) J20004h 50m 36.721s
Declination (Dec) J2000+8° 54' 0.633"
Position Uncertainty0.0178s
Proper Motion in RA (J2000)/cos(Dec)-0.00006
Proper Motion in Dec (J2000)-0.031666
Radial Velocity+022.7km s-1
Trigonometric Parallax+0.01684s
Trigonometric Parallax Uncertainty0.00128s
GCI Unit Vector in X (J2000)0.294568
GCI Unit Vector in Y (J2000)0.943024
GCI Unit Vector in Z (J2000)0.154713
Galactic Longitude189.83°
Galactic Latitude
-21.83°
Observational Data
Observed Visual Magnitude (V)4.36
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.38
Observed B-V Colour+0.018
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 Magnitude4.4
Observed Photographic Magnitude4.4
Morgan Keenan (MK) Spectral TypeA1Vn
One-Dimensional Spectral ClassA0
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 13:15:46 GMT+01:00 2001