Identification Data |
Common Name | Cebalrai |
Constellation | Ophiuchus |
Star Name | 60bet Oph |
Skymap Number | 17430086 |
Henry Draper (HD) Number | 161096 |
Harvard Revised (HR) Number | 6603 |
SAO Number | 122671 |
Durchmusterung (DM) Number | BD+04 3489 |
Washington Double Stars (WDS) Number
|
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Positional Data |
Position and Proper Motion (PPM) Number | 164476 |
Right Ascension (RA) J2000 | 17h 43m 28.353s |
Declination (Dec) J2000 | +4° 34' 2.290" |
Position Uncertainty | 0.0064s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00272 |
Proper Motion in Dec (J2000) | +0.158866 |
Radial Velocity | -012.0km s-1 |
Trigonometric Parallax | +0.03978s |
Trigonometric Parallax Uncertainty | 0.00075s |
GCI Unit Vector in X (J2000) | -0.071823 |
GCI Unit Vector in Y (J2000) | -0.994234 |
GCI Unit Vector in Z (J2000) | 0.079630 |
Galactic Longitude | 29.22° |
Galactic Latitude
| 17.19°
|
Observational Data |
Observed Visual Magnitude (V) | 2.77 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 3.96 |
Observed B-V Colour | +1.186 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 2.9 |
Observed Photographic Magnitude | |
Morgan Keenan (MK) Spectral Type | K2IIICN0.5 |
One-Dimensional Spectral Class | K0 |
Position Angle | |
Year of Observation | AD |