Astronomy
Constellations - Cygnus - 45ome1Cyg

 
Identification Data
Common Name
ConstellationCygnus
Star Name45ome1Cyg
Skymap Number20300016
Henry Draper (HD) Number195556
Harvard Revised (HR) Number7844
SAO Number49712
Durchmusterung (DM) NumberBD+48 3142
Washington Double Stars (WDS) Number
20301+4857
Positional Data
Position and Proper Motion (PPM) Number60032
Right Ascension (RA) J200020h 30m 3.540s
Declination (Dec) J2000+48° 57' 5.648"
Position Uncertainty0.0056s
Proper Motion in RA (J2000)/cos(Dec)+0.00102
Proper Motion in Dec (J2000)+0.007666
Radial Velocity-022.km s-1
Trigonometric Parallax+0.00375s
Trigonometric Parallax Uncertainty0.00050s
GCI Unit Vector in X (J2000)0.399906
GCI Unit Vector in Y (J2000)-0.520890
GCI Unit Vector in Z (J2000)0.754155
Galactic Longitude86.08°
Galactic Latitude
5.74°
Observational Data
Observed Visual Magnitude (V)4.95
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude4.86
Observed B-V Colour-0.093
Observed B Magnitude or (B-V) Magnitude Uncertainty0.002
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.9
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeB2.5IV
One-Dimensional Spectral ClassB3
Position Angle341
Year of Observation1935. 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 13:15:39 GMT+01:00 2001