Astronomy
Constellations - Pegasus - 2 Peg

 
Identification Data
Common Name
ConstellationPegasus
Star Name2 Peg
Skymap Number21290171
Henry Draper (HD) Number204724
Harvard Revised (HR) Number8225
SAO Number89752
Durchmusterung (DM) NumberBD+23 4325
Washington Double Stars (WDS) Number
21299+2338
Positional Data
Position and Proper Motion (PPM) Number113087
Right Ascension (RA) J200021h 29m 56.895s
Declination (Dec) J2000+23° 38' 19.816"
Position Uncertainty0.0065s
Proper Motion in RA (J2000)/cos(Dec)+0.00178
Proper Motion in Dec (J2000)+0.003566
Radial Velocity-018.9km s-1
Trigonometric Parallax+0.00737s
Trigonometric Parallax Uncertainty0.00064s
GCI Unit Vector in X (J2000)0.726658
GCI Unit Vector in Y (J2000)-0.557845
GCI Unit Vector in Z (J2000)0.400970
Galactic Longitude74.40°
Galactic Latitude
-19.70°
Observational Data
Observed Visual Magnitude (V)4.52
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude6.10
Observed B-V Colour+1.578
Observed B Magnitude or (B-V) Magnitude Uncertainty0.005
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude4.8
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeM1+III
One-Dimensional Spectral ClassK5
Position Angle332
Year of Observation1934. 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