| Identification Data |
| Common Name | |
| Constellation | Ophiuchus |
| Star Name | 66 Oph |
| Skymap Number | 18000061 |
| Henry Draper (HD) Number | 164284 |
| Harvard Revised (HR) Number | 6712 |
| SAO Number | 123005 |
| Durchmusterung (DM) Number | BD+04 3570 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 164975 |
| Right Ascension (RA) J2000 | 18h 0m 15.798s |
| Declination (Dec) J2000 | +4° 22' 7.015" |
| Position Uncertainty | 0.0091s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00012 |
| Proper Motion in Dec (J2000) | -0.013066 |
| Radial Velocity | -012.8km s-1 |
| Trigonometric Parallax | +0.00482s |
| Trigonometric Parallax Uncertainty | 0.00078s |
| GCI Unit Vector in X (J2000) | 0.001146 |
| GCI Unit Vector in Y (J2000) | -0.997094 |
| GCI Unit Vector in Z (J2000) | 0.076173 |
| Galactic Longitude | 31.00° |
Galactic Latitude
| 13.37°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.79 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.006 |
| Observed B Magnitude | 4.69 |
| Observed B-V Colour | -0.104 |
| 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 | 4.8 |
| Observed Photographic Magnitude | 4.6 |
| Morgan Keenan (MK) Spectral Type | B2Ve |
| One-Dimensional Spectral Class | B3 |
| Position Angle | |
| Year of Observation | AD |
