| Identification Data |
| Common Name | Menkar |
| Constellation | Cetus |
| Star Name | 91lam Cet |
| Skymap Number | 2590093 |
| Henry Draper (HD) Number | 18604 |
| Harvard Revised (HR) Number | 896 |
| SAO Number | 110889 |
| Durchmusterung (DM) Number | BD+08 455 |
Washington Double Stars (WDS) Number
|
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| Positional Data |
| Position and Proper Motion (PPM) Number | 146124 |
| Right Ascension (RA) J2000 | 2h 59m 42.901s |
| Declination (Dec) J2000 | +8° 54' 26.513" |
| Position Uncertainty | 0.0085s |
| Proper Motion in RA (J2000)/cos(Dec) | +0.00062 |
| Proper Motion in Dec (J2000) | -0.014966 |
| Radial Velocity | +010.2km s-1 |
| Trigonometric Parallax | +0.00769s |
| Trigonometric Parallax Uncertainty | 0.00076s |
| GCI Unit Vector in X (J2000) | 0.699447 |
| GCI Unit Vector in Y (J2000) | 0.697710 |
| GCI Unit Vector in Z (J2000) | 0.154837 |
| Galactic Longitude | 168.21° |
Galactic Latitude
| -42.41°
|
| Observational Data |
| Observed Visual Magnitude (V) | 4.71 |
| Derived Visual Magnitude | |
| Derived Visual Magnitude or Observed Visual Magnitude Uncertainty | 0.002 |
| Observed B Magnitude | 4.60 |
| Observed B-V Colour | -0.107 |
| 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 | 4.7 |
| Observed Photographic Magnitude | |
| Morgan Keenan (MK) Spectral Type | B6III |
| One-Dimensional Spectral Class | B5 |
| Position Angle | |
| Year of Observation | AD |
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