Identification Data |
Common Name | Sabik |
Constellation | Ophiuchus |
Star Name | 35eta Oph |
Skymap Number | 17100055 |
Henry Draper (HD) Number | 155125 |
Harvard Revised (HR) Number | 6378 |
SAO Number | 160332 |
Durchmusterung (DM) Number | SD-15 4467 |
Washington Double Stars (WDS) Number
| 17104-1543
|
Positional Data |
Position and Proper Motion (PPM) Number | 232699 |
Right Ascension (RA) J2000 | 17h 10m 22.687s |
Declination (Dec) J2000 | -15° 43' 29.677" |
Position Uncertainty | 0.0115s |
Proper Motion in RA (J2000)/cos(Dec) | +0.00285 |
Proper Motion in Dec (J2000) | +0.097767 |
Radial Velocity | -002.4km s-1 |
Trigonometric Parallax | +0.03877s |
Trigonometric Parallax Uncertainty | 0.00086s |
GCI Unit Vector in X (J2000) | -0.206788 |
GCI Unit Vector in Y (J2000) | -0.940100 |
GCI Unit Vector in Z (J2000) | -0.271019 |
Galactic Longitude | 6.72° |
Galactic Latitude
| 14.01°
|
Observational Data |
Observed Visual Magnitude (V) | 2.43 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
Observed B Magnitude | 2.53 |
Observed B-V Colour | +0.098 |
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 | 2.6 |
Observed Photographic Magnitude | 2.7 |
Morgan Keenan (MK) Spectral Type | A2V |
One-Dimensional Spectral Class | A2 |
Position Angle | |
Year of Observation | 1992. AD |