Astronomy
Constellations - Perseus - 26bet Per (Algol)

 
Identification Data
Common NameAlgol
ConstellationPerseus
Star Name26bet Per
Skymap Number3080027
Henry Draper (HD) Number19356
Harvard Revised (HR) Number936
SAO Number38592
Durchmusterung (DM) NumberBD+40 673
Washington Double Stars (WDS) Number
03082+4057
Positional Data
Position and Proper Motion (PPM) Number45864
Right Ascension (RA) J20003h 8m 10.131s
Declination (Dec) J2000+40° 57' 20.332"
Position Uncertainty0.0103s
Proper Motion in RA (J2000)/cos(Dec)+0.00021
Proper Motion in Dec (J2000)-0.001466
Radial Velocity+004.0km s-1
Trigonometric Parallax+0.03514s
Trigonometric Parallax Uncertainty0.00090s
GCI Unit Vector in X (J2000)0.514650
GCI Unit Vector in Y (J2000)0.552710
GCI Unit Vector in Z (J2000)0.655475
Galactic Longitude148.98°
Galactic Latitude
-14.90°
Observational Data
Observed Visual Magnitude (V)2.11
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude2.10
Observed B-V Colour-0.006
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 Magnitude
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB8V
One-Dimensional Spectral ClassB8
Position Angle155
Year of Observation1924. 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 13:15:47 GMT+01:00 2001