Astronomy
Constellations - Monoceros - 18 Mon

 
Identification Data
Common Name
ConstellationMonoceros
Star Name18 Mon
Skymap Number6470212
Henry Draper (HD) Number49293
Harvard Revised (HR) Number2506
SAO Number114428
Durchmusterung (DM) NumberBD+02 1397
Washington Double Stars (WDS) Number

Positional Data
Position and Proper Motion (PPM) Number151262
Right Ascension (RA) J20006h 47m 51.649s
Declination (Dec) J2000+2° 24' 43.773"
Position Uncertainty0.0271s
Proper Motion in RA (J2000)/cos(Dec)-0.00087
Proper Motion in Dec (J2000)-0.012466
Radial Velocity+011.3km s-1
Trigonometric Parallax+0.00874s
Trigonometric Parallax Uncertainty0.00091s
GCI Unit Vector in X (J2000)-0.207134
GCI Unit Vector in Y (J2000)0.977407
GCI Unit Vector in Z (J2000)0.042088
Galactic Longitude210.38°
Galactic Latitude
0.30°
Observational Data
Observed Visual Magnitude (V)4.47
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.002
Observed B Magnitude5.58
Observed B-V Colour+1.114
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 Magnitude4.7
Observed Photographic Magnitude
Morgan Keenan (MK) Spectral TypeK0+IIIa
One-Dimensional Spectral ClassK0
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 13:15:45 GMT+01:00 2001