Astronomy
Constellations - Perseus - 45eps Per

 
Identification Data
Common Name
ConstellationPerseus
Star Name45eps Per
Skymap Number3570109
Henry Draper (HD) Number24760
Harvard Revised (HR) Number1220
SAO Number56840
Durchmusterung (DM) NumberBD+39 895
Washington Double Stars (WDS) Number
03578+4000
Positional Data
Position and Proper Motion (PPM) Number46661
Right Ascension (RA) J20003h 57m 51.230s
Declination (Dec) J2000+40° 0' 36.773"
Position Uncertainty0.0088s
Proper Motion in RA (J2000)/cos(Dec)+0.00110
Proper Motion in Dec (J2000)-0.024166
Radial Velocity+000.8km s-1
Trigonometric Parallax+0.00606s
Trigonometric Parallax Uncertainty0.00082s
GCI Unit Vector in X (J2000)0.389160
GCI Unit Vector in Y (J2000)0.659699
GCI Unit Vector in Z (J2000)0.642924
Galactic Longitude157.36°
Galactic Latitude
-10.09°
Observational Data
Observed Visual Magnitude (V)2.91
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude2.74
Observed B-V Colour-0.174
Observed B Magnitude or (B-V) Magnitude Uncertainty0.003
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude3.0
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB0.5V+A2V
One-Dimensional Spectral ClassB1
Position Angle10
Year of Observation1938. 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