Astronomy
Constellations - Serpens - 15tau3Ser

 
Identification Data
Common Name
ConstellationSerpens
Star Name15tau3Ser
Skymap Number15350098
Henry Draper (HD) Number139074
Harvard Revised (HR) Number5795
SAO Number101631
Durchmusterung (DM) NumberBD+18 3044
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number131527
Right Ascension (RA) J200015h 35m 33.230s
Declination (Dec) J2000+17° 39' 19.999"
Position Uncertainty0.0096s
Proper Motion in RA (J2000)/cos(Dec)-0.00539
Proper Motion in Dec (J2000)-0.013366
Radial Velocity-022.3km s-1
Trigonometric Parallax+0.00787s
Trigonometric Parallax Uncertainty0.00087s
GCI Unit Vector in X (J2000)-0.561599
GCI Unit Vector in Y (J2000)-0.769818
GCI Unit Vector in Z (J2000)0.303294
Galactic Longitude27.65°
Galactic Latitude
51.08°
Observational Data
Observed Visual Magnitude (V)6.10
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude7.07
Observed B-V Colour+0.971
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 Magnitude6.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypegG8
One-Dimensional Spectral ClassK0
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