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SANTIAGO 91, a right ascension catalogue of 3387 stars (equinox J2000).
The positions in right ascension of 3387 stars belonging to the Santiago67 Catalogue, observed with the Repsold Meridian Circle at Cerro Calan,National Astronomical Observatory, during the period 1989 to 1994, aregiven. The average mean square error of a position, for the wholeCatalogue, is +/-0.009 s. The mean epoch of the catalogue is 1991.84.
| A photoelectric study of three southern Delta Scuti stars
Differential photoelectric observations of three Delta Scuti stars AIScl, WZ Scl, and XX Scl were obtained on ten nights during October 1978.Al Scl did not exhibit strictly periodic behavior, but showed a tendencyto pulsate at 134 minutes. WZ Scl and XX Scl were both found to bemultiperiodic, with period ratios of 0.6853 and 0.9522, respectively. Asthe period for radial fundamental and first overtone pulsation is 0.76,the observed period ratios are interpreted as caused by nonradialpulsation. A slightly modified Jurkevich period search method, used toobtain these results, is described.
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Группы:
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Наблюдательные данные и астрометрия
| Созвездие: | Скульптор |
| Прямое восхождение: | 01h26m28.77s |
| Склонение: | -32°33'07.0" |
| Видимая звёздная величина: | 9.324 |
| Собственное движение RA: | -5.4 |
| Собственное движение Dec: | -42.5 |
| B-T magnitude: | 10.083 |
| V-T magnitude: | 9.387 |
Каталоги и обозначения:
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INHABITED SKY
