Astronomy
Constellations - Serpens - 44pi Ser

 
Identification Data
Common Name
ConstellationSerpens
Star Name44pi Ser
Skymap Number16020039
Henry Draper (HD) Number143894
Harvard Revised (HR) Number5972
SAO Number84155
Durchmusterung (DM) NumberBD+23 2886
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number104540
Right Ascension (RA) J200016h 2m 17.692s
Declination (Dec) J2000+22° 48' 16.034"
Position Uncertainty0.0083s
Proper Motion in RA (J2000)/cos(Dec)+0.00033
Proper Motion in Dec (J2000)+0.024066
Radial Velocity-028.2km s-1
Trigonometric Parallax+0.01842s
Trigonometric Parallax Uncertainty0.00071s
GCI Unit Vector in X (J2000)-0.452900
GCI Unit Vector in Y (J2000)-0.802906
GCI Unit Vector in Z (J2000)0.387587
Galactic Longitude38.14°
Galactic Latitude
46.78°
Observational Data
Observed Visual Magnitude (V)4.82
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.90
Observed B-V Colour+0.077
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 Magnitude4.8
Observed Photographic Magnitude4.9
Morgan Keenan (MK) Spectral TypeA3V
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))

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