Identification Data |
Common Name | |
Constellation | Monoceros |
Star Name | 18 Mon |
Skymap Number | 6470212 |
Henry Draper (HD) Number | 49293 |
Harvard Revised (HR) Number | 2506 |
SAO Number | 114428 |
Durchmusterung (DM) Number | BD+02 1397 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 151262 |
Right Ascension (RA) J2000 | 6h 47m 51.649s |
Declination (Dec) J2000 | +2° 24' 43.773" |
Position Uncertainty | 0.0271s |
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 Uncertainty | 0.00091s |
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 Longitude | 210.38° |
Galactic Latitude
| 0.30°
|
Observational Data |
Observed Visual Magnitude (V) | 4.47 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 5.58 |
Observed B-V Colour | +1.114 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 4.7 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | K0+IIIa |
One-Dimensional Spectral Class | K0 |
Position Angle | |
Year of Observation | AD |