| Identification Data |
| Common Name | |
| Constellation | Ophiuchus |
| Star Name | 74 Oph |
| Skymap Number | 18200199 |
| Henry Draper (HD) Number | 168656 |
| Harvard Revised (HR) Number | 6866 |
| SAO Number | 123377 |
| Durchmusterung (DM) Number | BD+03 3680 |
Washington Double Stars (WDS) Number
| 18209+0323
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 165644 |
| Right Ascension (RA) J2000 | 18h 20m 52.063s |
| Declination (Dec) J2000 | +3° 22' 37.795" |
| Position Uncertainty | 0.0094s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00011 |
| Proper Motion in Dec (J2000) | +0.008566 |
| Radial Velocity | +004.8km s-1 |
| Trigonometric Parallax | +0.01211s |
| Trigonometric Parallax Uncertainty | 0.00083s |
| GCI Unit Vector in X (J2000) | 0.090769 |
| GCI Unit Vector in Y (J2000) | -0.994128 |
| GCI Unit Vector in Z (J2000) | 0.058909 |
| Galactic Longitude | 32.47° |
Galactic Latitude
| 8.34°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.85 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.76 |
| Observed B-V Colour | +0.909 |
| 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 | 4.9 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | G8III |
| One-Dimensional Spectral Class | G5 |
| Position Angle | 286 |
| Year of Observation | 1935. AD |
