| Identification Data |
| Common Name | |
| Constellation | Triagulum |
| Star Name | alp TrA |
| Skymap Number | 16480093 |
| Henry Draper (HD) Number | 150798 |
| Harvard Revised (HR) Number | 6217 |
| SAO Number | 253700 |
| Durchmusterung (DM) Number | CP-68 2822 |
Washington Double Stars (WDS) Number
|
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 362330 |
| Right Ascension (RA) J2000 | 16h 48m 39.894s |
| Declination (Dec) J2000 | -69° 1' 39.774" |
| Position Uncertainty | 0.0066s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00333 |
| Proper Motion in Dec (J2000) | -0.032966 |
| Radial Velocity | -003.3km s-1 |
| Trigonometric Parallax | +0.00785s |
| Trigonometric Parallax Uncertainty | 0.00063s |
| GCI Unit Vector in X (J2000) | -0.109614 |
| GCI Unit Vector in Y (J2000) | -0.340718 |
| GCI Unit Vector in Z (J2000) | -0.933754 |
| Galactic Longitude | 321.54° |
Galactic Latitude
| -15.26°
|
| Observational Data |
| Observed Visual Magnitude (V) | 1.91 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 3.36 |
| Observed B-V Colour | +1.447 |
| 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 | 1.9 |
| Observed Photographic Magnitude | 3.0 |
| Morgan Keenan (MK) Spectral Type | K2IIb-IIIa |
| One-Dimensional Spectral Class | K2 |
| Position Angle | |
| Year of Observation | AD |
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