Abstract Details
| Name: Priyanka Chaturvedi Affiliation: Physical Research Laboratory Conference ID: ASI2015_645 Title : Title: Estimation of spectroscopic parameters of host stars in eclipsing binary systems from PARAS Authors and Co-Authors : 1.Abhijit Chakraborty, A&A division, PRL, 2. B. G. Anandarao, A&A division, PRL Abstract Type : Poster Abstract Category : Stars, The Milky Way Galaxy and its neighbours Abstract : Physical Research Laboratory Advanced Radial-velocity Abu-sky Search (PARAS) at 1.2 m telescope is a high-resolution echelle spectrograph (R~67000) dedicated for exoplanet and eclipsing binary studies. Radial velocity technique gives the lower limit of mass of the companions in the binary systems whereas the high resolution spectra from PARAS can also be helpful in constraining the spectroscpic parameters of the host stars. Accurate determination of host star properties is important in proper estimation of mass and age of the companion giving insights on the stellar structure and evolution process of the binary system. We have developed an indegenous package to determine the stellar properties of the host star which compares the observed spectra to a series of models generated by the synthetic spectral library obtained from the SPECTRUM program. The instrument and the analysis procedure for the determination of spectroscopic properties will be described in brief including its application for one of the candidates from the SuperWasp catalogue where the companion lies between the boundary of M dwarfs and Brown Dwarf regime. |