Astronomy
Constellations - Monoceros - 20 Mon

 
Identification Data
Common Name
ConstellationMonoceros
Star Name20 Mon
Skymap Number7100058
Henry Draper (HD) Number54810
Harvard Revised (HR) Number2701
SAO Number134282
Durchmusterung (DM) NumberSD-04 1840
Washington Double Stars (WDS) Number
07102-0414
Positional Data
Position and Proper Motion (PPM) Number189987
Right Ascension (RA) J20007h 10m 13.681s
Declination (Dec) J2000-4° 14' 13.582"
Position Uncertainty0.0075s
Proper Motion in RA (J2000)/cos(Dec)+0.00000
Proper Motion in Dec (J2000)+0.217966
Radial Velocity+078.8km s-1
Trigonometric Parallax+0.01545s
Trigonometric Parallax Uncertainty0.00078s
GCI Unit Vector in X (J2000)-0.300830
GCI Unit Vector in Y (J2000)0.950811
GCI Unit Vector in Z (J2000)-0.073884
Galactic Longitude218.86°
Galactic Latitude
2.23°
Observational Data
Observed Visual Magnitude (V)4.92
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.003
Observed B Magnitude5.93
Observed B-V Colour+1.007
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 Magnitude5.0
Observed Photographic Magnitude6.0
Morgan Keenan (MK) Spectral TypeK0III
One-Dimensional Spectral ClassK0
Position Angle238
Year of Observation1909. 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 13:15:45 GMT+01:00 2001