| Identification Data |
| Common Name | |
| Constellation | Ophiuchus |
| Star Name | 41 Oph |
| Skymap Number | 17160098 |
| Henry Draper (HD) Number | 156266 |
| Harvard Revised (HR) Number | 6415 |
| SAO Number | 141586 |
| Durchmusterung (DM) Number | BD-00 3255 |
Washington Double Stars (WDS) Number
| 17166-0027
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 180026 |
| Right Ascension (RA) J2000 | 17h 16m 36.686s |
| Declination (Dec) J2000 | -0° 26' 43.070" |
| Position Uncertainty | 0.0098s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00221 |
| Proper Motion in Dec (J2000) | -0.063967 |
| Radial Velocity | -002.3km s-1 |
| Trigonometric Parallax | +0.01497s |
| Trigonometric Parallax Uncertainty | 0.00072s |
| GCI Unit Vector in X (J2000) | -0.188184 |
| GCI Unit Vector in Y (J2000) | -0.982103 |
| GCI Unit Vector in Z (J2000) | -0.007772 |
| Galactic Longitude | 21.20° |
Galactic Latitude
| 20.75°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.74 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.90 |
| Observed B-V Colour | +1.162 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.005 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.8 |
| Observed Photographic Magnitude | 5.8 |
| Morgan Keenan (MK) Spectral Type | K2III |
| One-Dimensional Spectral Class | K0 |
| Position Angle | 2 |
| Year of Observation | 1989. AD |
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