| Identification Data |
| Common Name | Alkurhah |
| Constellation | Cepheus |
| Star Name | 17xi Cep |
| Skymap Number | 22030171 |
| Henry Draper (HD) Number | 209790 |
| Harvard Revised (HR) Number | 8417 |
| SAO Number | 19827 |
| Durchmusterung (DM) Number | BD+63 1802 |
Washington Double Stars (WDS) Number
| 22038+6438
|
| Positional Data |
| Position and Proper Motion (PPM) Number | 400291 |
| Right Ascension (RA) J2000 | 22h 3m 47.453s |
| Declination (Dec) J2000 | +64° 37' 40.697" |
| Position Uncertainty | 0.0085s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.03337 |
| Proper Motion in Dec (J2000) | +0.089367 |
| Radial Velocity | -007.2km s-1 |
| Trigonometric Parallax | +0.03207s |
| Trigonometric Parallax Uncertainty | 0.00068s |
| GCI Unit Vector in X (J2000) | 0.374580 |
| GCI Unit Vector in Y (J2000) | -0.208080 |
| GCI Unit Vector in Z (J2000) | 0.903545 |
| Galactic Longitude | 106.16° |
Galactic Latitude
| 7.37°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.40 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 4.75 |
| Observed B-V Colour | +0.351 |
| 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 | 4.6 |
| Observed Photographic Magnitude | 4.7 |
| Morgan Keenan (MK) Spectral Type | A3/6Vm |
| One-Dimensional Spectral Class | A3 |
| Position Angle | 275 |
| Year of Observation | 1994. AD |
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