| Identification Data |
| Common Name | Sham |
| Constellation | Sagitta |
| Star Name | 5alp Sge |
| Skymap Number | 19400030 |
| Henry Draper (HD) Number | 185758 |
| Harvard Revised (HR) Number | 7479 |
| SAO Number | 105120 |
| Durchmusterung (DM) Number | BD+17 4042 |
Washington Double Stars (WDS) Number
| 19401+1801
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 136737 |
| Right Ascension (RA) J2000 | 19h 40m 5.791s |
| Declination (Dec) J2000 | +18° 0' 50.006" |
| Position Uncertainty | 0.0055s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00106 |
| Proper Motion in Dec (J2000) | -0.019766 |
| Radial Velocity | +001.9km s-1 |
| Trigonometric Parallax | +0.00689s |
| Trigonometric Parallax Uncertainty | 0.00069s |
| GCI Unit Vector in X (J2000) | 0.402265 |
| GCI Unit Vector in Y (J2000) | -0.861713 |
| GCI Unit Vector in Z (J2000) | 0.309248 |
| Galactic Longitude | 54.46° |
Galactic Latitude
| -2.14°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.39 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 5.17 |
| Observed B-V Colour | +0.775 |
| 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 | 4.4 |
| Observed Photographic Magnitude | 5.1 |
| Morgan Keenan (MK) Spectral Type | G1II |
| One-Dimensional Spectral Class | G0 |
| Position Angle | 179 |
| Year of Observation | 1985. AD |
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