The Araucaria Project: accurate stellar parameters and distance to evolved eclipsing binary ASAS J180057-2333.8 in Sagittarius Arm

@article{Suchomska2015TheAP,
  title={The Araucaria Project: accurate stellar parameters and distance to evolved eclipsing binary ASAS J180057-2333.8 in Sagittarius Arm},
  author={Ksenia Suchomska and Dariusz Graczyk and Radosław Smolec and Grzegorz Pietrzy'nski and Wolfgang Gieren and K. Stcepie'n and Piotr Konorski and Bogumił Pilecki and Sandro Villanova and Ian B. Thompson and Marek G'orski and Paulina Karczmarek and Piotr Wielg'orski and Richard I. Anderson},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2015},
  volume={451},
  pages={651-659}
}
We have analyzed the double-lined eclipsing binary system ASAS J180057-2333.8 from the All Sky Automated Survey (ASAS) catalogue . We measure absolute physical and orbital parameters for this system based on archival $V$-band and $I$-band ASAS photometry, as well as on high-resolution spectroscopic data obtained with ESO 3.6m/HARPS and CORALIE spectrographs. The physical and orbital parameters of the system were derived with an accuracy of about 0.5 - 3%. The system is a very rare configuration… 

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