| Identification Data |
| Common Name | |
| Constellation | Ophiuchus |
| Star Name | 73 Oph |
| Skymap Number | 18090133 |
| Henry Draper (HD) Number | 166233 |
| Harvard Revised (HR) Number | 6795 |
| SAO Number | 123187 |
| Durchmusterung (DM) Number | BD+03 3610 |
Washington Double Stars (WDS) Number
| 18096+0400
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 165283 |
| Right Ascension (RA) J2000 | 18h 9m 33.893s |
| Declination (Dec) J2000 | +3° 59' 35.792" |
| Position Uncertainty | 0.0153s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00335 |
| Proper Motion in Dec (J2000) | -0.004567 |
| Radial Velocity | -017.0km s-1 |
| Trigonometric Parallax | +0.01962s |
| Trigonometric Parallax Uncertainty | 0.00122s |
| GCI Unit Vector in X (J2000) | 0.041621 |
| GCI Unit Vector in Y (J2000) | -0.996704 |
| GCI Unit Vector in Z (J2000) | 0.069639 |
| Galactic Longitude | 31.73° |
Galactic Latitude
| 11.13°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.71 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 |
| Observed B Magnitude | 6.08 |
| Observed B-V Colour | +0.372 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.7 |
| Observed Photographic Magnitude | 6.0 |
| Morgan Keenan (MK) Spectral Type | F2V |
| One-Dimensional Spectral Class | F2 |
| Position Angle | 304 |
| Year of Observation | 1994. AD |
