| Identification Data |
| Common Name | Al Kalb al Rai |
| Constellation | Cepheus |
| Star Name | 29rho2Cep |
| Skymap Number | 22290161 |
| Henry Draper (HD) Number | 213798 |
| Harvard Revised (HR) Number | 8591 |
| SAO Number | 10402 |
| Durchmusterung (DM) Number | BD+78 801 |
Washington Double Stars (WDS) Number
|
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| Positional Data |
| Position and Proper Motion (PPM) Number | 11249 |
| Right Ascension (RA) J2000 | 22h 29m 52.978s |
| Declination (Dec) J2000 | +78° 49' 27.425" |
| Position Uncertainty | 0.0069s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00119 |
| Proper Motion in Dec (J2000) | -0.021766 |
| Radial Velocity | +002.8km s-1 |
| Trigonometric Parallax | +0.01375s |
| Trigonometric Parallax Uncertainty | 0.00052s |
| GCI Unit Vector in X (J2000) | 0.179027 |
| GCI Unit Vector in Y (J2000) | -0.074263 |
| GCI Unit Vector in Z (J2000) | 0.981037 |
| Galactic Longitude | 116.16° |
Galactic Latitude
| 17.86°
|
| Observational Data |
| Observed Visual Magnitude (V) | 5.45 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.003 |
| Observed B Magnitude | 5.54 |
| Observed B-V Colour | +0.088 |
| 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 | 5.5 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | A3V |
| One-Dimensional Spectral Class | A2 |
| Position Angle | |
| Year of Observation | AD |
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