Identification Data |
Common Name | |
Constellation | Ophiuchus |
Star Name | 64nu Oph |
Skymap Number | 17590004 |
Henry Draper (HD) Number | 163917 |
Harvard Revised (HR) Number | 6698 |
SAO Number | 142004 |
Durchmusterung (DM) Number | SD-09 4632 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 201263 |
Right Ascension (RA) J2000 | 17h 59m 1.591s |
Declination (Dec) J2000 | -9° 46' 25.075" |
Position Uncertainty | 0.0089s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00070 |
Proper Motion in Dec (J2000) | -0.116166 |
Radial Velocity | +012.6km s-1 |
Trigonometric Parallax | +0.02135s |
Trigonometric Parallax Uncertainty | 0.00079s |
GCI Unit Vector in X (J2000) | -0.004186 |
GCI Unit Vector in Y (J2000) | -0.985477 |
GCI Unit Vector in Z (J2000) | -0.169756 |
Galactic Longitude | 18.17° |
Galactic Latitude
| 6.98°
|
Observational Data |
Observed Visual Magnitude (V) | 3.32 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 4.32 |
Observed B-V Colour | +1.003 |
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 | 3.5 |
Observed Photographic Magnitude | 4.5 |
Morgan Keenan (MK) Spectral Type | G9IIIa |
One-Dimensional Spectral Class | K0 |
Position Angle | |
Year of Observation | AD |