Astronomy
Constellations - Perseus - 30 Per

 
Identification Data
Common Name
ConstellationPerseus
Star Name30 Per
Skymap Number3170121
Henry Draper (HD) Number20315
Harvard Revised (HR) Number982
SAO Number38704
Durchmusterung (DM) NumberBD+43 674
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number46007
Right Ascension (RA) J20003h 17m 47.353s
Declination (Dec) J2000+44° 1' 30.087"
Position Uncertainty0.0090s
Proper Motion in RA (J2000)/cos(Dec)+0.00247
Proper Motion in Dec (J2000)-0.023766
Radial Velocity-001.0km s-1
Trigonometric Parallax+0.00506s
Trigonometric Parallax Uncertainty0.00088s
GCI Unit Vector in X (J2000)0.467479
GCI Unit Vector in Y (J2000)0.546330
GCI Unit Vector in Z (J2000)0.694972
Galactic Longitude148.86°
Galactic Latitude
-11.36°
Observational Data
Observed Visual Magnitude (V)5.49
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.43
Observed B-V Colour-0.063
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 Magnitude5.4
Observed Photographic Magnitude5.3
Morgan Keenan (MK) Spectral TypeB8V
One-Dimensional Spectral ClassB5
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