Astronomy
Constellations - Saggitarius - 15 Sgr

 
Identification Data
Common Name
ConstellationSaggitarius
Star Name15 Sgr
Skymap Number18150049
Henry Draper (HD) Number167264
Harvard Revised (HR) Number6822
SAO Number186543
Durchmusterung (DM) NumberSD-20 5054
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number268128
Right Ascension (RA) J200018h 15m 12.907s
Declination (Dec) J2000-20° 43' 41.771"
Position Uncertainty0.0095s
Proper Motion in RA (J2000)/cos(Dec)+0.00021
Proper Motion in Dec (J2000)-0.001366
Radial Velocity-006.3km s-1
Trigonometric Parallax-0.00033s
Trigonometric Parallax Uncertainty0.00093s
GCI Unit Vector in X (J2000)0.062046
GCI Unit Vector in Y (J2000)-0.933209
GCI Unit Vector in Z (J2000)-0.353936
Galactic Longitude10.46°
Galactic Latitude
-1.74°
Observational Data
Observed Visual Magnitude (V)5.35
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.35
Observed B-V Colour+0.001
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 Magnitude5.6
Observed Photographic Magnitude5.2
Morgan Keenan (MK) Spectral TypeB0Ia
One-Dimensional Spectral ClassB0
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