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Giant CP stars?
This study is part of an investigation of the possibility of usingchemically peculiar (CP) stars to map local galactic structure. Correctluminosities of these stars are therefore crucial. CP stars aregenerally regarded as main-sequence or near-main-sequence objects.However, some CP stars have been classified as giants. A selection ofstars, classified in the literature as CP giants, are compared to normalstars in the same effective temperature interval and to ordinary'nongiant' CP stars. No clear confirmation of a higher luminosity for'CP giants' than for CP stars in general is found. In addition, CPcharacteristics seem to be individual properties not repeated in acomponent star or other cluster members.
| A list of candidates for high-velocity AP stars
'Reduced proper motion' is used to select from a catalog of over fifteenhundred Ap stars those that probably have a high velocity. A list of 164candidates is presented, 22 of them having very probably high velocity.Some of them could be the first specimens of late Ap stars with highvelocity. The possible relation to horizontal branch stars is alsodiscussed.
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Observation and Astrometry data
| Constellation: | Chamaleon |
| Right ascension: | 13h40m19.03s |
| Declination: | -79°50'00.9" |
| Apparent magnitude: | 8.96 |
| Distance: | 1724.138 parsecs |
| Proper motion RA: | -9.1 |
| Proper motion Dec: | -4.9 |
| B-T magnitude: | 9.002 |
| V-T magnitude: | 8.964 |
Catalogs and designations:
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