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EL CVn type binaries discovery of 17 helium white dwarf precursors in bright eclipsing binary star systems

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Table 1. New EL CVn-type binary stars identified using the WASParchive. Spectral types are taken from the SIMBAD data base.
Table 2. Parameters for the light-curve models fit by least-squares. LB/LA is the luminosity ratio in the band noted; other parameter definitionsare given in the text
Table 3. Effective temperature estimates based on fitting the observed flux distribution and thefor this additional uncertainty in the error estimates quoted forsurface brightness ratio from the fit to the WASP light curve
Figure 1. Spectra of five EL CVn-type binary stars compared to three stars of known spectral type, as labelled (S´anchez-Bl´azquez et al
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