| Identification Data |
| Common Name | Tabit (1544) |
| Constellation | Orion |
| Star Name | 2pi 2Ori |
| Skymap Number | 4500103 |
| Henry Draper (HD) Number | 30739 |
| Harvard Revised (HR) Number | 1544 |
| SAO Number | 112124 |
| Durchmusterung (DM) Number | BD+08 777 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 148045 |
| Right Ascension (RA) J2000 | 4h 50m 36.721s |
| Declination (Dec) J2000 | +8° 54' 0.633" |
| Position Uncertainty | 0.0178s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00006 |
| Proper Motion in Dec (J2000) | -0.031666 |
| Radial Velocity | +022.7km s-1 |
| Trigonometric Parallax | +0.01684s |
| Trigonometric Parallax Uncertainty | 0.00128s |
| GCI Unit Vector in X (J2000) | 0.294568 |
| GCI Unit Vector in Y (J2000) | 0.943024 |
| GCI Unit Vector in Z (J2000) | 0.154713 |
| Galactic Longitude | 189.83° |
Galactic Latitude
| -21.83°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.36 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 4.38 |
| Observed B-V Colour | +0.018 |
| 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 | 4.4 |
| Observed Photographic Magnitude | 4.4 |
| Morgan Keenan (MK) Spectral Type | A1Vn |
| One-Dimensional Spectral Class | A0 |
| Position Angle | |
| Year of Observation | AD |
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