Identification Data |
Common Name | |
Constellation | Sextans |
Star Name | 25 Sex |
Skymap Number | 10230062 |
Henry Draper (HD) Number | 90044 |
Harvard Revised (HR) Number | 4082 |
SAO Number | 137533 |
Durchmusterung (DM) Number | SD-03 2911 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 193378 |
Right Ascension (RA) J2000 | 10h 23m 26.478s |
Declination (Dec) J2000 | -4° 4' 26.525" |
Position Uncertainty | 0.0078s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00338 |
Proper Motion in Dec (J2000) | +0.004266 |
Radial Velocity | +023.0km s-1 |
Trigonometric Parallax | +0.00928s |
Trigonometric Parallax Uncertainty | 0.00072s |
GCI Unit Vector in X (J2000) | -0.910245 |
GCI Unit Vector in Y (J2000) | 0.407929 |
GCI Unit Vector in Z (J2000) | -0.071045 |
Galactic Longitude | 248.34° |
Galactic Latitude
| 42.58°
|
Observational Data |
Observed Visual Magnitude (V) | 5.93 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.005 |
Observed B Magnitude | 5.88 |
Observed B-V Colour | -0.052 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 6.1 |
Observed Photographic Magnitude | 6.1 |
Morgan Keenan (MK) Spectral Type | B9pSiCr:Sr: |
One-Dimensional Spectral Class | B9 |
Position Angle | |
Year of Observation | AD |