Astronomy
Constellations - Serpens - 9tau1Ser

 
Identification Data
Common Name
ConstellationSerpens
Star Name9tau1Ser
Skymap Number15250135
Henry Draper (HD) Number137471
Harvard Revised (HR) Number5739
SAO Number101545
Durchmusterung (DM) NumberBD+15 2858
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number131392
Right Ascension (RA) J200015h 25m 47.396s
Declination (Dec) J2000+15° 25' 40.930"
Position Uncertainty0.0079s
Proper Motion in RA (J2000)/cos(Dec)-0.00097
Proper Motion in Dec (J2000)-0.007566
Radial Velocity-019.8km s-1
Trigonometric Parallax+0.00355s
Trigonometric Parallax Uncertainty0.00076s
GCI Unit Vector in X (J2000)-0.600774
GCI Unit Vector in Y (J2000)-0.753857
GCI Unit Vector in Z (J2000)0.266028
Galactic Longitude22.86°
Galactic Latitude
52.36°
Observational Data
Observed Visual Magnitude (V)5.15
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.77
Observed B-V Colour+1.623
Observed B Magnitude or (B-V) Magnitude Uncertainty0.006
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.5
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeM1III
One-Dimensional Spectral ClassM0
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