Astronomy
Constellations - Sagitta - 5alp Sge (Sham)

 
Identification Data
Common NameSham
ConstellationSagitta
Star Name5alp Sge
Skymap Number19400030
Henry Draper (HD) Number185758
Harvard Revised (HR) Number7479
SAO Number105120
Durchmusterung (DM) NumberBD+17 4042
Washington Double Stars (WDS) Number
19401+1801
Positional Data
Position and Proper Motion (PPM) Number136737
Right Ascension (RA) J200019h 40m 5.791s
Declination (Dec) J2000+18° 0' 50.006"
Position Uncertainty0.0055s
Proper Motion in RA (J2000)/cos(Dec)+0.00106
Proper Motion in Dec (J2000)-0.019766
Radial Velocity+001.9km s-1
Trigonometric Parallax+0.00689s
Trigonometric Parallax Uncertainty0.00069s
GCI Unit Vector in X (J2000)0.402265
GCI Unit Vector in Y (J2000)-0.861713
GCI Unit Vector in Z (J2000)0.309248
Galactic Longitude54.46°
Galactic Latitude
-2.14°
Observational Data
Observed Visual Magnitude (V)4.39
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.17
Observed B-V Colour+0.775
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 Magnitude4.4
Observed Photographic Magnitude5.1
Morgan Keenan (MK) Spectral TypeG1II
One-Dimensional Spectral ClassG0
Position Angle179
Year of Observation1985. 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