Identification Data |
Common Name | |
Constellation | Ophiuchus |
Star Name | 3ups Oph |
Skymap Number | 16270127 |
Henry Draper (HD) Number | 148367 |
Harvard Revised (HR) Number | 6129 |
SAO Number | 141187 |
Durchmusterung (DM) Number | SD-08 4243 |
Washington Double Stars (WDS) Number
| 16278-0822
|
Positional Data |
Position and Proper Motion (PPM) Number | 199688 |
Right Ascension (RA) J2000 | 16h 27m 48.187s |
Declination (Dec) J2000 | -8° 22' 18.232" |
Position Uncertainty | 0.0104s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00453 |
Proper Motion in Dec (J2000) | -0.012667 |
Radial Velocity | -030.6km s-1 |
Trigonometric Parallax | +0.02667s |
Trigonometric Parallax Uncertainty | 0.00087s |
GCI Unit Vector in X (J2000) | -0.387350 |
GCI Unit Vector in Y (J2000) | -0.910364 |
GCI Unit Vector in Z (J2000) | -0.145595 |
Galactic Longitude | 6.75° |
Galactic Latitude
| 26.74°
|
Observational Data |
Observed Visual Magnitude (V) | 4.64 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 4.83 |
Observed B-V Colour | +0.188 |
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 | 4.2 |
Observed Photographic Magnitude | 4.7 |
Morgan Keenan (MK) Spectral Type | A3m |
One-Dimensional Spectral Class | A2 |
Position Angle | 45 |
Year of Observation | 1991. AD |