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Properties of Am, Delta Del and Delta SCT stars in the VBLUW system
The spread with respect to the main sequence in the two-color diagramsfor 115 Am, Delta Del and Delta Sct, for which VBLUW photometricobservations have been obtained, is primarily attributed to gravityeffects. Exceptions to this rule can be recognized from a comparison oftheir positions in these diagrams and in the reddening-independentdiagram L-U/B-L, where some Delta Sct stars have experienced relativelyhigh reddenings, while others are presumably metal-poor. It is notedthat gravities and temperatures compare satisfactorily with those ofDavis Philip et al. (1976), which were based on uvby-beta photometry.
| Multicolor photometry of metallic-line stars. III. A photometric catalogue
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1974RMxAA...1..175M&db_key=AST
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Membro dei seguenti gruppi:
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Osservazione e dati astrometrici
| Costellazione: | Indiano |
| Ascensione retta: | 21h56m14.00s |
| Declinazione: | -57°53'58.0" |
| Magnitudine apparente: | 6.19 |
| Distanza: | 166.667 parsec |
| Moto proprio RA: | 16.6 |
| Moto proprio Dec: | 6 |
| B-T magnitude: | 6.432 |
| V-T magnitude: | 6.196 |
Cataloghi e designazioni:
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