Astronomy
Constellations - Pegasus - 81phi Peg

 
Identification Data
Common Name
ConstellationPegasus
Star Name81phi Peg
Skymap Number23520065
Henry Draper (HD) Number223768
Harvard Revised (HR) Number9036
SAO Number108878
Durchmusterung (DM) NumberBD+18 5231
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number142928
Right Ascension (RA) J200023h 52m 29.288s
Declination (Dec) J2000+19° 7' 13.033"
Position Uncertainty0.0062s
Proper Motion in RA (J2000)/cos(Dec)-0.00045
Proper Motion in Dec (J2000)-0.034266
Radial Velocity-007.8km s-1
Trigonometric Parallax+0.00746s
Trigonometric Parallax Uncertainty0.00069s
GCI Unit Vector in X (J2000)0.944326
GCI Unit Vector in Y (J2000)-0.030963
GCI Unit Vector in Z (J2000)0.327552
Galactic Longitude104.20°
Galactic Latitude
-41.60°
Observational Data
Observed Visual Magnitude (V)5.08
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.64
Observed B-V Colour+1.558
Observed B Magnitude or (B-V) Magnitude Uncertainty0.006
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.2
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeM2.5IIIb
One-Dimensional Spectral ClassM0
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