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The Naini Tal - Cape survey for pulsations in chemically peculiar A-type stars. I. Methods and preliminary results
A new survey for pulsating, chemically peculiar A- and F-type stars inthe northern hemisphere has been initiated using the 1-m telescope atUttar Pradesh State Observatory in Naini Tal. The survey is primarilystructured to reveal high-overtone pulsations in chemically peculiar A-Fstars, but it is also revealing low-overtone delta Scuti-type pulsationsin stars with peculiar colours. This paper describes the scope andmethods of the survey. Preliminary observations of 28 candidate starsare presented and the discovery of three new pulsators, HD 12098, HD13038 and HD 13079, is announced. Null results for the remaining 25stars are also discussed.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Zurafa |
| Sað Açýklýk: | 05h06m16.50s |
| Yükselim: | +56°36'45.5" |
| Görünürdeki Parlaklýk: | 8.818 |
| Uzaklýk: | 188.679 parsek |
| özdevim Sað Açýklýk: | 5.7 |
| özdevim Yükselim: | -27 |
| B-T magnitude: | 9.084 |
| V-T magnitude: | 8.84 |
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