Astronomy
Constellations - Perseus - 33alp Per (Mirphak)

 
Identification Data
Common NameMirphak
ConstellationPerseus
Star Name33alp Per
Skymap Number3240048
Henry Draper (HD) Number20902
Harvard Revised (HR) Number1017
SAO Number38787
Durchmusterung (DM) NumberBD+49 917
Washington Double Stars (WDS) Number
03243+4952
Positional Data
Position and Proper Motion (PPM) Number46127
Right Ascension (RA) J20003h 24m 19.370s
Declination (Dec) J2000+49° 51' 40.247"
Position Uncertainty0.0065s
Proper Motion in RA (J2000)/cos(Dec)+0.00249
Proper Motion in Dec (J2000)-0.026066
Radial Velocity-002.3km s-1
Trigonometric Parallax+0.00551s
Trigonometric Parallax Uncertainty0.00066s
GCI Unit Vector in X (J2000)0.404980
GCI Unit Vector in Y (J2000)0.501552
GCI Unit Vector in Z (J2000)0.764485
Galactic Longitude146.57°
Galactic Latitude
-5.86°
Observational Data
Observed Visual Magnitude (V)1.81
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.004
Observed B Magnitude2.32
Observed B-V Colour+0.512
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 Magnitude1.9
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeF5Ib
One-Dimensional Spectral ClassF5
Position Angle196
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