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Astronomy
Constellations - Delphinus - 8the Del

 
Identification Data
Common Name
ConstellationDelphinus
Star Name8the Del
Skymap Number20380154
Henry Draper (HD) Number196725
Harvard Revised (HR) Number7892
SAO Number106342
Durchmusterung (DM) NumberBD+12 4411
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number138761
Right Ascension (RA) J200020h 38m 43.986s
Declination (Dec) J2000+13° 18' 54.449"
Position Uncertainty0.0078s
Proper Motion in RA (J2000)/cos(Dec)+0.00018
Proper Motion in Dec (J2000)-0.000466
Radial Velocity-014.7km s-1
Trigonometric Parallax+0.00250s
Trigonometric Parallax Uncertainty0.00075s
GCI Unit Vector in X (J2000)0.621378
GCI Unit Vector in Y (J2000)-0.748898
GCI Unit Vector in Z (J2000)0.230307
Galactic Longitude57.95°
Galactic Latitude
-16.61°
Observational Data
Observed Visual Magnitude (V)5.69
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude7.20
Observed B-V Colour+1.508
Observed B Magnitude or (B-V) Magnitude Uncertainty0.008
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude6.1
Observed Photographic Magnitude7.2
Morgan Keenan (MK) Spectral TypeK3Ib
One-Dimensional Spectral ClassK5
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 13:15:39 GMT+01:00 2001
 
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