Astronomy
Constellations - Saggitarius - 7 Sgr

 
Identification Data
Common Name
ConstellationSaggitarius
Star Name7 Sgr
Skymap Number18020169
Henry Draper (HD) Number164584
Harvard Revised (HR) Number6724
SAO Number186163
Durchmusterung (DM) NumberCD-2413793
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number267736
Right Ascension (RA) J200018h 2m 51.098s
Declination (Dec) J2000-24° 16' 56.884"
Position Uncertainty0.0107s
Proper Motion in RA (J2000)/cos(Dec)+0.00005
Proper Motion in Dec (J2000)-0.017766
Radial Velocity-011.6km s-1
Trigonometric Parallax+0.00295s
Trigonometric Parallax Uncertainty0.00093s
GCI Unit Vector in X (J2000)0.011342
GCI Unit Vector in Y (J2000)-0.911459
GCI Unit Vector in Z (J2000)-0.411235
Galactic Longitude5.97°
Galactic Latitude
-0.96°
Observational Data
Observed Visual Magnitude (V)5.37
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.001
Observed B Magnitude
Observed B-V Colour+0.495
Observed B Magnitude or (B-V) Magnitude Uncertainty0.018
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeF3III
One-Dimensional Spectral ClassA5
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 13:15:50 GMT+01:00 2001