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Johnson photometry of southern Blazhko targets
We report on differential photomultiplier photometry in the Johnson Band V filters of five southern Blazhko stars (RU Cet, RY Col, V674 Cen,AR Ser, RV Cap). The data were gathered from the South AfricanAstronomical Observatory (SAAO) in Sutherland, South Africa, in thecourse of 2004 and 2005. To find the most reliable values for theperiods, we combined our V data with ASAS photometry. For some stars,this enabled us to constrain their Blazhko period with unprecedentedaccuracy.
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Observation and Astrometry data
| Constellation: | Walfisch |
| Right ascension: | 00h59m26.83s |
| Declination: | -16°14'12.0" |
| Apparent magnitude: | 10.45 |
| Proper motion RA: | -34.7 |
| Proper motion Dec: | -29.1 |
| B-T magnitude: | 11.022 |
| V-T magnitude: | 10.498 |
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