| Identification Data |
| Common Name | |
| Constellation | Chameleon |
| Star Name | alp Cha |
| Skymap Number | 8180109 |
| Henry Draper (HD) Number | 71243 |
| Harvard Revised (HR) Number | 3318 |
| SAO Number | 256496 |
| Durchmusterung (DM) Number | CP-76 507 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 369878 |
| Right Ascension (RA) J2000 | 8h 18m 31.550s |
| Declination (Dec) J2000 | -76° 55' 11.001" |
| Position Uncertainty | 0.0064s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.03236 |
| Proper Motion in Dec (J2000) | +0.106966 |
| Radial Velocity | -013.2km s-1 |
| Trigonometric Parallax | +0.05140s |
| Trigonometric Parallax Uncertainty | 0.00049s |
| GCI Unit Vector in X (J2000) | -0.128614 |
| GCI Unit Vector in Y (J2000) | 0.186218 |
| GCI Unit Vector in Z (J2000) | -0.974054 |
| Galactic Longitude | 289.86° |
Galactic Latitude
| -21.68°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.06 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 4.47 |
| Observed B-V Colour | +0.408 |
| 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 | 3.7 |
| Observed Photographic Magnitude | 4.5 |
| Morgan Keenan (MK) Spectral Type | F5III |
| One-Dimensional Spectral Class | F5 |
| Position Angle | |
| Year of Observation | AD |
