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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: | からす座 |
| Right ascension: | 12h07m27.95s |
| Declination: | -18°11'26.7" |
| Apparent magnitude: | 7.079 |
| Distance: | 400 parsecs |
| Proper motion RA: | 9.3 |
| Proper motion Dec: | 16.8 |
| B-T magnitude: | 8.601 |
| V-T magnitude: | 7.205 |
Catalogs and designations:
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