Astronomy
Constellations - Sculptor - alp Scl

 
Identification Data
Common Name
ConstellationSculptor
Star Namealp Scl
Skymap Number580091
Henry Draper (HD) Number5737
Harvard Revised (HR) Number280
SAO Number166716
Durchmusterung (DM) NumberCD-30 297
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number243446
Right Ascension (RA) J20000h 58m 36.360s
Declination (Dec) J2000-29° 21' 26.817"
Position Uncertainty0.0108s
Proper Motion in RA (J2000)/cos(Dec)+0.00172
Proper Motion in Dec (J2000)+0.006366
Radial Velocity+010.3km s-1
Trigonometric Parallax+0.00485s
Trigonometric Parallax Uncertainty0.00084s
GCI Unit Vector in X (J2000)0.843236
GCI Unit Vector in Y (J2000)0.220456
GCI Unit Vector in Z (J2000)-0.490257
Galactic Longitude267.89°
Galactic Latitude
-87.27°
Observational Data
Observed Visual Magnitude (V)4.31
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude4.17
Observed B-V Colour-0.141
Observed B Magnitude or (B-V) Magnitude Uncertainty0.004
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.4
Observed Photographic Magnitude4.3
Morgan Keenan (MK) Spectral TypeB7IIIp
One-Dimensional Spectral ClassB5
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