| Identification Data |
| Common Name | |
| Constellation | Gemini |
| Star Name | 18nu Gem |
| Skymap Number | 6280250 |
| Henry Draper (HD) Number | 45542 |
| Harvard Revised (HR) Number | 2343 |
| SAO Number | 78423 |
| Durchmusterung (DM) Number | BD+20 1441 |
Washington Double Stars (WDS) Number
| 06290+2013
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 96047 |
| Right Ascension (RA) J2000 | 6h 28m 57.786s |
| Declination (Dec) J2000 | +20° 12' 43.679" |
| Position Uncertainty | 0.0104s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00043 |
| Proper Motion in Dec (J2000) | -0.014166 |
| Radial Velocity | +039.4km s-1 |
| Trigonometric Parallax | +0.00649s |
| Trigonometric Parallax Uncertainty | 0.00106s |
| GCI Unit Vector in X (J2000) | -0.118278 |
| GCI Unit Vector in Y (J2000) | 0.930936 |
| GCI Unit Vector in Z (J2000) | 0.345497 |
| Galactic Longitude | 192.43° |
Galactic Latitude
| 4.35°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.14 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 4.02 |
| Observed B-V Colour | -0.117 |
| 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 | 4.1 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | B6IIIe |
| One-Dimensional Spectral Class | B5 |
| Position Angle | 329 |
| Year of Observation | 1924. AD |
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