Astronomy
Constellations - Saggitarius - 13mu Sgr

 
Identification Data
Common Name
ConstellationSaggitarius
Star Name13mu Sgr
Skymap Number18130173
Henry Draper (HD) Number166937
Harvard Revised (HR) Number6812
SAO Number186497
Durchmusterung (DM) NumberSD-21 4908
Washington Double Stars (WDS) Number
18138-2104
Positional Data
Position and Proper Motion (PPM) Number268080
Right Ascension (RA) J200018h 13m 45.809s
Declination (Dec) J2000-21° 3' 31.801"
Position Uncertainty0.0095s
Proper Motion in RA (J2000)/cos(Dec)+0.00012
Proper Motion in Dec (J2000)-0.001466
Radial Velocity-006.0km s-1
Trigonometric Parallax+0.00011s
Trigonometric Parallax Uncertainty0.00098s
GCI Unit Vector in X (J2000)0.056010
GCI Unit Vector in Y (J2000)-0.931530
GCI Unit Vector in Z (J2000)-0.359326
Galactic Longitude10.01°
Galactic Latitude
-1.60°
Observational Data
Observed Visual Magnitude (V)3.84
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude4.02
Observed B-V Colour+0.185
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.0
Observed Photographic Magnitude4.0
Morgan Keenan (MK) Spectral TypeB8Iap
One-Dimensional Spectral ClassB8
Position Angle258
Year of Observation1932. 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