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Results from the Wide Angle Search for Planets Prototype (WASP0) - II. Stellar variability in the Pegasus field
Recent wide field photometric surveys, which target a specific field forlong durations, are ideal for studying both long- and short-periodstellar variability. Here, we report on 75 variable stars detectedduring the observations of a field in Pegasus using the Wide AngleSearch for Planets Prototype (WASP0) instrument, 73 of which are newdiscoveries. The variables detected include 16 δ Scuti stars, 34eclipsing binaries, 3 BY Draconis stars and 4 RR Lyraes. We estimatethat the fraction of stars in the field brighter than V~ 13.5 exhibitingvariable behaviour with an amplitude greater than 0.6 per cent rms is~0.4 per cent. These results are compared with other wide field stellarvariability surveys, and implications for detecting transits due toextra-solar planets are discussed.
| Vitesse radiales dans 4 Selected Areas.
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Observation and Astrometry data
| Constellation: | Pégase |
| Right ascension: | 22h20m00.85s |
| Declination: | +14°48'41.2" |
| Apparent magnitude: | 9.152 |
| Proper motion RA: | -36.3 |
| Proper motion Dec: | -34.8 |
| B-T magnitude: | 9.681 |
| V-T magnitude: | 9.196 |
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