| Identification Data |
| Common Name | |
| Constellation | Cancer |
| Star Name | 31the Cnc |
| Skymap Number | 8310173 |
| Henry Draper (HD) Number | 72094 |
| Harvard Revised (HR) Number | 3357 |
| SAO Number | 97881 |
| Durchmusterung (DM) Number | BD+18 1963 |
Washington Double Stars (WDS) Number
| 08316+1806
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 125369 |
| Right Ascension (RA) J2000 | 8h 31m 35.730s |
| Declination (Dec) J2000 | +18° 5' 39.913" |
| Position Uncertainty | 0.0092s |
| Proper Motion in RA (J2000)/cos(Dec) | -0.00421 |
| Proper Motion in Dec (J2000) | -0.056566 |
| Radial Velocity | +044.5km s-1 |
| Trigonometric Parallax | +0.00660s |
| Trigonometric Parallax Uncertainty | 0.00092s |
| GCI Unit Vector in X (J2000) | -0.583892 |
| GCI Unit Vector in Y (J2000) | 0.750072 |
| GCI Unit Vector in Z (J2000) | 0.310584 |
| Galactic Longitude | 206.78° |
Galactic Latitude
| 29.98°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.35 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 6.91 |
| Observed B-V Colour | +1.558 |
| Observed B Magnitude or (B-V) Magnitude Uncertainty | 0.006 |
| Observed U Magnitude | |
| Observed U-B Colour | |
| Observed U Magnitude or (U-B) Magnitude Uncertainty | |
| Observed Photovisual Magnitude | 5.6 |
| Observed Photographic Magnitude | 7.1 |
| Morgan Keenan (MK) Spectral Type | K5III |
| One-Dimensional Spectral Class | M0 |
| Position Angle | 61 |
| Year of Observation | 1902. AD |
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