| Identification Data |
| Common Name | Asellus Australis |
| Constellation | Cancer |
| Star Name | 47del Cnc |
| Skymap Number | 8440145 |
| Henry Draper (HD) Number | 74442 |
| Harvard Revised (HR) Number | 3461 |
| SAO Number | 98087 |
| Durchmusterung (DM) Number | BD+18 2027 |
Washington Double Stars (WDS) Number
| 08447+1809
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 125682 |
| Right Ascension (RA) J2000 | 8h 44m 41.099s |
| Declination (Dec) J2000 | +18° 9' 15.511" |
| Position Uncertainty | 0.0103s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00120 |
| Proper Motion in Dec (J2000) | -0.228566 |
| Radial Velocity | +017.1km s-1 |
| Trigonometric Parallax | +0.02397s |
| Trigonometric Parallax Uncertainty | 0.00083s |
| GCI Unit Vector in X (J2000) | -0.625542 |
| GCI Unit Vector in Y (J2000) | 0.715274 |
| GCI Unit Vector in Z (J2000) | 0.311577 |
| Galactic Longitude | 208.03° |
Galactic Latitude
| 32.90°
|
| Observational Data |
| Observed Visual Magnitude (V) | 3.93 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.02 |
| Observed B-V Colour | +1.088 |
| 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 | 4.2 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | K0IIIb |
| One-Dimensional Spectral Class | K0 |
| Position Angle | |
| Year of Observation | 1988. AD |
