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A catalogue of eclipsing variables
A new catalogue of 6330 eclipsing variable stars is presented. Thecatalogue was developed from the General Catalogue of Variable Stars(GCVS) and its textual remarks by including recently publishedinformation about classification of 843 systems and making correspondingcorrections of GCVS data. The catalogue1 represents thelargest list of eclipsing binaries classified from observations.
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Two selection statistics are used to extract new candidate periodicvariables from the epoch photometry of the Hipparcos catalogue. Theprimary selection criterion is a signal-to-noise ratio. The dependenceof this statistic on the number of observations is calibrated usingabout 30000 randomly permuted Hipparcos data sets. A significance levelof 0.1 per cent is used to extract a first batch of candidate variables.The second criterion requires that the optimal frequency be unaffectedif the data are de-trended by low-order polynomials. We find 2675 newcandidate periodic variables, of which the majority (2082) are from theHipparcos`unsolved' variables. Potential problems with theinterpretation of the data (e.g. aliasing) are discussed.
| The 75th Name-List of Variable Stars
We present the next regular Name-List of variable stars containinginformation on 916 variable stars recently designated in the system ofthe General Catalogue of Variable Stars.
| Hip 12056 IS AN Eclipsing Binary System
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Datos observacionales y astrométricos
| Constelación: | Andrómeda |
| Ascensión Recta: | 02h35m25.60s |
| Declinación: | +45°56'03.2" |
| Magnitud Aparente: | 9.196 |
| Movimiento Propio en Ascensión Recta: | 1.1 |
| Movimiento Propio en Declinación: | -1.6 |
| B-T magnitude: | 9.317 |
| V-T magnitude: | 9.206 |
Catálogos y designaciones:
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