Astronomy
Constellations - Perseus - 8 Per

 
Identification Data
Common Name
ConstellationPerseus
Star Name8 Per
Skymap Number2180004
Henry Draper (HD) Number13982
Harvard Revised (HR) Number661
SAO Number23143
Durchmusterung (DM) NumberBD+57 535
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number27384
Right Ascension (RA) J20002h 17m 59.887s
Declination (Dec) J2000+57° 53' 59.354"
Position Uncertainty0.0065s
Proper Motion in RA (J2000)/cos(Dec)+0.00763
Proper Motion in Dec (J2000)+0.005066
Radial Velocity+002.7km s-1
Trigonometric Parallax+0.00861s
Trigonometric Parallax Uncertainty0.00068s
GCI Unit Vector in X (J2000)0.437944
GCI Unit Vector in Y (J2000)0.300985
GCI Unit Vector in Z (J2000)0.847120
Galactic Longitude134.25°
Galactic Latitude
-3.06°
Observational Data
Observed Visual Magnitude (V)5.75
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.95
Observed B-V Colour+1.195
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 Magnitude6.1
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeK3III
One-Dimensional Spectral ClassK0
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 13:15:47 GMT+01:00 2001