Identification Data |
Common Name | |
Constellation | Telescopium |
Star Name | alp Tel |
Skymap Number | 18260237 |
Henry Draper (HD) Number | 169467 |
Harvard Revised (HR) Number | 6897 |
SAO Number | 229023 |
Durchmusterung (DM) Number | CD-4612379 |
Washington Double Stars (WDS) Number
|
|
Positional Data |
Position and Proper Motion (PPM) Number | 324099 |
Right Ascension (RA) J2000 | 18h 26m 58.416s |
Declination (Dec) J2000 | -45° 58' 6.452" |
Position Uncertainty | 0.0080s |
Proper Motion in RA (J2000)/cos(Dec) | -0.00160 |
Proper Motion in Dec (J2000) | -0.053366 |
Radial Velocity | -000.2km s-1 |
Trigonometric Parallax | +0.01308s |
Trigonometric Parallax Uncertainty | 0.00071s |
GCI Unit Vector in X (J2000) | 0.081615 |
GCI Unit Vector in Y (J2000) | -0.690246 |
GCI Unit Vector in Z (J2000) | -0.718957 |
Galactic Longitude | 348.67° |
Galactic Latitude
| -15.18°
|
Observational Data |
Observed Visual Magnitude (V) | 3.49 |
Derived Visual Magnitude | |
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
Observed B Magnitude | 3.33 |
Observed B-V Colour | -0.160 |
Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.003 |
Observed U Magnitude | |
Observed U-B Colour | |
Observed U Magnitude or (U-B) Magnitude Uncertainty | |
Observed Photovisual Magnitude | 3.8 |
Observed Photographic Magnitude | 3.6 |
Morgan Keenan (MK) Spectral Type | B3IV |
One-Dimensional Spectral Class | B3 |
Position Angle | |
Year of Observation | AD |