| Identification Data |
| Common Name | |
| Constellation | Aries |
| Star Name | 42pi Ari |
| Skymap Number | 2490046 |
| Henry Draper (HD) Number | 17543 |
| Harvard Revised (HR) Number | 836 |
| SAO Number | 93127 |
| Durchmusterung (DM) Number | BD+16 355 |
Washington Double Stars (WDS) Number
| 02493+1728
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 118581 |
| Right Ascension (RA) J2000 | 2h 49m 17.559s |
| Declination (Dec) J2000 | +17° 27' 51.512" |
| Position Uncertainty | 0.0129s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00026 |
| Proper Motion in Dec (J2000) | -0.014667 |
| Radial Velocity | +008.8km s-1 |
| Trigonometric Parallax | +0.00541s |
| Trigonometric Parallax Uncertainty | 0.00106s |
| GCI Unit Vector in X (J2000) | 0.705277 |
| GCI Unit Vector in Y (J2000) | 0.642275 |
| GCI Unit Vector in Z (J2000) | 0.300112 |
| Galactic Longitude | 158.94° |
Galactic Latitude
| -37.04°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.32 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.004 |
| Observed B Magnitude | 5.23 |
| Observed B-V Colour | -0.092 |
| 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 | 5.3 |
| Observed Photographic Magnitude | 5.1 |
| Morgan Keenan (MK) Spectral Type | B6V |
| One-Dimensional Spectral Class | B5 |
| Position Angle | 119 |
| Year of Observation | 1983. AD |
