Astronomy
Constellations - Delphinus - 9alp Del (Sualocin)

 
Identification Data
Common NameSualocin
ConstellationDelphinus
Star Name9alp Del
Skymap Number20390139
Henry Draper (HD) Number196867
Harvard Revised (HR) Number7906
SAO Number106357
Durchmusterung (DM) NumberBD+15 4222
Washington Double Stars (WDS) Number
20396+1555
Positional Data
Position and Proper Motion (PPM) Number138790
Right Ascension (RA) J200020h 39m 38.287s
Declination (Dec) J2000+15° 54' 43.488"
Position Uncertainty0.0104s
Proper Motion in RA (J2000)/cos(Dec)+0.00366
Proper Motion in Dec (J2000)+0.009767
Radial Velocity-003.4km s-1
Trigonometric Parallax+0.01355s
Trigonometric Parallax Uncertainty0.00071s
GCI Unit Vector in X (J2000)0.616994
GCI Unit Vector in Y (J2000)-0.737667
GCI Unit Vector in Z (J2000)0.274162
Galactic Longitude60.31°
Galactic Latitude
-15.32°
Observational Data
Observed Visual Magnitude (V)3.78
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude3.73
Observed B-V Colour-0.047
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 Magnitude3.9
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB9IV
One-Dimensional Spectral ClassB8
Position Angle212
Year of Observation1991. 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 13:15:39 GMT+01:00 2001