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Radial velocities of faint stars from objective prism plates
A simple method by which the approximate radial velocity of a star maybe obtained from objective prism plates is described in detail. Themethod has been used to derive the velocities of 41 faint stars, most ofwhich have metal-weak spectra and are shown to be high-velocity objects.It is shown that this method may be generalized so that the radialvelocities for all measurable stars on an objective prism plate can beobtained.
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Observation and Astrometry data
| Constellation: | Κόραξ |
| Right ascension: | 11h57m52.75s |
| Declination: | -18°58'55.7" |
| Apparent magnitude: | 7.646 |
| Distance: | 152.905 parsecs |
| Proper motion RA: | 21.6 |
| Proper motion Dec: | -41 |
| B-T magnitude: | 8.95 |
| V-T magnitude: | 7.754 |
Catalogs and designations:
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