| Identification Data |
| Common Name | Alfecca Meridiana |
| Constellation | Corona Australis |
| Star Name | alp CrA |
| Skymap Number | 19090109 |
| Henry Draper (HD) Number | 178253 |
| Harvard Revised (HR) Number | 7254 |
| SAO Number | 210990 |
| Durchmusterung (DM) Number | CD-3813350 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 298624 |
| Right Ascension (RA) J2000 | 19h 9m 28.341s |
| Declination (Dec) J2000 | -37° 54' 16.108" |
| Position Uncertainty | 0.0105s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00724 |
| Proper Motion in Dec (J2000) | -0.096766 |
| Radial Velocity | -018.4km s-1 |
| Trigonometric Parallax | +0.02515s |
| Trigonometric Parallax Uncertainty | 0.00083s |
| GCI Unit Vector in X (J2000) | 0.235535 |
| GCI Unit Vector in Y (J2000) | -0.753061 |
| GCI Unit Vector in Z (J2000) | -0.614347 |
| Galactic Longitude | 359.55° |
Galactic Latitude
| -19.59°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.10 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 4.16 |
| Observed B-V Colour | +0.062 |
| 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 | 4.1 |
| Observed Photographic Magnitude | 4.2 |
| Morgan Keenan (MK) Spectral Type | A2V |
| One-Dimensional Spectral Class | A2 |
| Position Angle | |
| Year of Observation | AD |
