Identification Data |
Common Name | |
Constellation | Ophiuchus |
Star Name | 43 Oph |
Skymap Number | 17230056 |
Henry Draper (HD) Number | 157236 |
Harvard Revised (HR) Number | 6459 |
SAO Number | 185350 |
Durchmusterung (DM) Number | CD-2813081 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 266801 |
Right Ascension (RA) J2000 | 17h 23m 21.591s |
Declination (Dec) J2000 | -28° 8' 34.193" |
Position Uncertainty | 0.0086s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00003 |
Proper Motion in Dec (J2000) | -0.029366 |
Radial Velocity | -014.0km s-1 |
Trigonometric Parallax | +0.00544s |
Trigonometric Parallax Uncertainty | 0.00088s |
GCI Unit Vector in X (J2000) | -0.140372 |
GCI Unit Vector in Y (J2000) | -0.870530 |
GCI Unit Vector in Z (J2000) | -0.471671 |
Galactic Longitude | 358.02° |
Galactic Latitude
| 4.54°
|
Observational Data |
Observed Visual Magnitude (V) | 5.30 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
Observed B Magnitude | 6.84 |
Observed B-V Colour | +1.539 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.008 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 5.1 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | K5III |
One-Dimensional Spectral Class | K2 |
Position Angle | |
Year of Observation | AD |