tcaep.co.uk Navigation. See bottom for text alternatives
Previous Page...
 
Printer Version
Astronomy
Constellations - Draco - 22zet Dra (Aldhibah)

 
Identification Data
Common NameAldhibah
ConstellationDraco
Star Name22zet Dra
Skymap Number17080143
Henry Draper (HD) Number155763
Harvard Revised (HR) Number6396
SAO Number17365
Durchmusterung (DM) NumberBD+65 1170
Washington Double Stars (WDS) Number
17088+6543
Positional Data
Position and Proper Motion (PPM) Number20234
Right Ascension (RA) J200017h 8m 47.195s
Declination (Dec) J2000+65° 42' 52.860"
Position Uncertainty0.0071s
Proper Motion in RA (J2000)/cos(Dec)-0.00337
Proper Motion in Dec (J2000)+0.019266
Radial Velocity-017.0km s-1
Trigonometric Parallax+0.00960s
Trigonometric Parallax Uncertainty0.00047s
GCI Unit Vector in X (J2000)-0.091142
GCI Unit Vector in Y (J2000)-0.401055
GCI Unit Vector in Z (J2000)0.911509
Galactic Longitude96.01°
Galactic Latitude
35.04°
Observational Data
Observed Visual Magnitude (V)3.18
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude3.07
Observed B-V Colour-0.107
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude3.2
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB6III
One-Dimensional Spectral ClassB5
Position Angle25
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))

 
[ H O M E ] [ S C I E N C E ] [ M A T H S ] [ A S T R O N O M Y ]
Download | Shop | Contact | About
 
Page compiled: Sun Sep 02 13:15:39 GMT+01:00 2001
 
The Bottom Line
HomeScienceMathsAstronomyDownloadBookshopContactAbout Top of Page