| Identification Data |
| Common Name | |
| Constellation | Ophiuchus |
| Star Name | 61 Oph |
| Skymap Number | 17440130 |
| Henry Draper (HD) Number | 161270 |
| Harvard Revised (HR) Number | 6609 |
| SAO Number | 122690 |
| Durchmusterung (DM) Number | BD+02 3390 |
Washington Double Stars (WDS) Number
| 17446+0235
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 164510 |
| Right Ascension (RA) J2000 | 17h 44m 34.092s |
| Declination (Dec) J2000 | +2° 34' 45.986" |
| Position Uncertainty | 0.0300s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00048 |
| Proper Motion in Dec (J2000) | +0.013667 |
| Radial Velocity | -031.0km s-1 |
| Trigonometric Parallax | +0.00709s |
| Trigonometric Parallax Uncertainty | 0.00274s |
| GCI Unit Vector in X (J2000) | -0.067215 |
| GCI Unit Vector in Y (J2000) | -0.996723 |
| GCI Unit Vector in Z (J2000) | 0.045005 |
| Galactic Longitude | 27.50° |
Galactic Latitude
| 16.04°
|
| Observational Data |
| Observed Visual Magnitude (V) | 6.16 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | |
| Observed B Magnitude | 6.29 |
| Observed B-V Colour | +0.131 |
| 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 | 6.3 |
| Observed Photographic Magnitude | 5.6 |
| Morgan Keenan (MK) Spectral Type | A1IV-V |
| One-Dimensional Spectral Class | A0 |
| Position Angle | 93 |
| Year of Observation | 1968. AD |
