| Identification Data |
| Common Name | |
| Constellation | Ophiuchus |
| Star Name | 12 Oph |
| Skymap Number | 16360034 |
| Henry Draper (HD) Number | 149661 |
| Harvard Revised (HR) Number | 6171 |
| SAO Number | 141269 |
| Durchmusterung (DM) Number | SD-02 4211 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 179865 |
| Right Ascension (RA) J2000 | 16h 36m 21.449s |
| Declination (Dec) J2000 | -2° 19' 28.501" |
| Position Uncertainty | 0.0103s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.03037 |
| Proper Motion in Dec (J2000) | -0.307666 |
| Radial Velocity | -015.4km s-1 |
| Trigonometric Parallax | +0.10227s |
| Trigonometric Parallax Uncertainty | 0.00085s |
| GCI Unit Vector in X (J2000) | -0.356618 |
| GCI Unit Vector in Y (J2000) | -0.933370 |
| GCI Unit Vector in Z (J2000) | -0.040561 |
| Galactic Longitude | 13.73° |
Galactic Latitude
| 28.42°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.77 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 6.62 |
| Observed B-V Colour | +0.848 |
| 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 | 5.9 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | K2V |
| One-Dimensional Spectral Class | K0 |
| Position Angle | |
| Year of Observation | AD |
Printer Version