Astronomy
Constellations - Perseus - 56 Per

 
Identification Data
Common Name
ConstellationPerseus
Star Name56 Per
Skymap Number4240109
Henry Draper (HD) Number27786
Harvard Revised (HR) Number1379
SAO Number57216
Durchmusterung (DM) NumberBD+33 854
Washington Double Stars (WDS) Number
04246+3358
Positional Data
Position and Proper Motion (PPM) Number69394
Right Ascension (RA) J20004h 24m 37.462s
Declination (Dec) J2000+33° 57' 34.871"
Position Uncertainty0.0103s
Proper Motion in RA (J2000)/cos(Dec)+0.00440
Proper Motion in Dec (J2000)-0.083167
Radial Velocity-031.8km s-1
Trigonometric Parallax+0.02400s
Trigonometric Parallax Uncertainty0.00091s
GCI Unit Vector in X (J2000)0.335294
GCI Unit Vector in Y (J2000)0.758639
GCI Unit Vector in Z (J2000)0.558609
Galactic Longitude165.53°
Galactic Latitude
-10.75°
Observational Data
Observed Visual Magnitude (V)5.79
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude6.20
Observed B-V Colour+0.406
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.8
Observed Photographic Magnitude6.2
Morgan Keenan (MK) Spectral TypeF4V
One-Dimensional Spectral ClassF5
Position Angle20
Year of Observation1989. 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