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Astronomy
Constellations - Serpens - 56omi Ser

 
Identification Data
Common Name
ConstellationSerpens
Star Name56omi Ser
Skymap Number17410085
Henry Draper (HD) Number160613
Harvard Revised (HR) Number6581
SAO Number160747
Durchmusterung (DM) NumberSD-12 4808
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number233454
Right Ascension (RA) J200017h 41m 24.873s
Declination (Dec) J2000-12° 52' 31.105"
Position Uncertainty0.0077s
Proper Motion in RA (J2000)/cos(Dec)-0.00494
Proper Motion in Dec (J2000)-0.055266
Radial Velocity-030.0km s-1
Trigonometric Parallax+0.01941s
Trigonometric Parallax Uncertainty0.00107s
GCI Unit Vector in X (J2000)-0.078969
GCI Unit Vector in Y (J2000)-0.971654
GCI Unit Vector in Z (J2000)-0.222830
Galactic Longitude13.28°
Galactic Latitude
9.17°
Observational Data
Observed Visual Magnitude (V)4.24
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.33
Observed B-V Colour+0.088
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 Magnitude4.4
Observed Photographic Magnitude4.5
Morgan Keenan (MK) Spectral TypeA2V
One-Dimensional Spectral ClassA2
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))

 
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Page compiled: Sun Sep 02 13:15:49 GMT+01:00 2001
 
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