| Identification Data |
| Common Name | Maia |
| Constellation | Taurus |
| Star Name | 20 Tau |
| Skymap Number | 3450121 |
| Henry Draper (HD) Number | 23408 |
| Harvard Revised (HR) Number | 1149 |
| SAO Number | 76155 |
| Durchmusterung (DM) Number | BD+23 516 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 92841 |
| Right Ascension (RA) J2000 | 3h 45m 49.606s |
| Declination (Dec) J2000 | +24° 22' 3.895" |
| Position Uncertainty | 0.0094s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00154 |
| Proper Motion in Dec (J2000) | -0.045066 |
| Radial Velocity | +007.6km s-1 |
| Trigonometric Parallax | +0.00906s |
| Trigonometric Parallax Uncertainty | 0.00103s |
| GCI Unit Vector in X (J2000) | 0.503342 |
| GCI Unit Vector in Y (J2000) | 0.759220 |
| GCI Unit Vector in Z (J2000) | 0.412592 |
| Galactic Longitude | 166.18° |
Galactic Latitude
| -23.51°
|
| Observational Data |
| Observed Visual Magnitude (V) | 3.88 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 3.82 |
| Observed B-V Colour | -0.063 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.004 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 4.0 |
| Observed Photographic Magnitude | 3.9 |
| Morgan Keenan (MK) Spectral Type | B8III |
| One-Dimensional Spectral Class | B5 |
| Position Angle | |
| Year of Observation | AD |
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