| Identification Data |
| Common Name | |
| Constellation | Musca |
| Star Name | alp Mus |
| Skymap Number | 12370023 |
| Henry Draper (HD) Number | 109668 |
| Harvard Revised (HR) Number | 4798 |
| SAO Number | 251974 |
| Durchmusterung (DM) Number | CP-68 1702 |
Washington Double Stars (WDS) Number
| 12372-6908
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 359520 |
| Right Ascension (RA) J2000 | 12h 37m 11.018s |
| Declination (Dec) J2000 | -69° 8' 8.030" |
| Position Uncertainty | 0.0049s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00746 |
| Proper Motion in Dec (J2000) | -0.012466 |
| Radial Velocity | +013.0km s-1 |
| Trigonometric Parallax | +0.01067s |
| Trigonometric Parallax Uncertainty | 0.00048s |
| GCI Unit Vector in X (J2000) | -0.351481 |
| GCI Unit Vector in Y (J2000) | -0.057531 |
| GCI Unit Vector in Z (J2000) | -0.934426 |
| Galactic Longitude | 301.66° |
Galactic Latitude
| -6.30°
|
| Observational Data |
| Observed Visual Magnitude (V) | 2.69 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 2.51 |
| Observed B-V Colour | -0.178 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.002 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 2.9 |
| Observed Photographic Magnitude | 2.8 |
| Morgan Keenan (MK) Spectral Type | B2IV-V |
| One-Dimensional Spectral Class | B3 |
| Position Angle | 316 |
| Year of Observation | 1948. AD |
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