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Eclipsing Binaries with MONS (875 words) |
 | Particular aspects of eclipsing binaries are studied within the context of MONS (eccentric systems, systems with pulsating components, second order light curve effects). |
| The most interesting fact about eclipsing binaries is that all kinds of stars are found as members of binaries: from normal main sequence stars, variable stars, evolved giants and supergiants, to collapsed objects. |
| The main asset of MONS with respect to eclipsing binaries is its capability of obtaining stable, long time series photometry of moderately bright stars with millimagnitude-level accuracy. |
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ESA Science & Technology: Binary Stars (874 words) |
| Resolved binaries will be studied in different populations of stars: nearby star-forming regions, open clusters and associations as well as field binaries of different ages. |
| Large fractions of astrometric binaries with periods in the range 0.03 to 30 years will be immediately recognized by their poor fit to the standard 5 parameter single star astrometric model. |
| The surprising number of new eclipsing and contact binaries discovered by Hipparcos at magnitudes as bright as 7 mag demonstrates that even bright binary systems are not well surveyed. |
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