Poster Open Access

CHOCOLATE: a new Chromatic Line-Profile Tomography Technique to retrieve Transmission Spectroscopy

Emma Esparza-Borges; Mahmoudreza Oshagh; Núria Casasayas-Barris; Enric Pallé


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  <dc:creator>Emma Esparza-Borges</dc:creator>
  <dc:creator>Mahmoudreza Oshagh</dc:creator>
  <dc:creator>Núria Casasayas-Barris</dc:creator>
  <dc:creator>Enric Pallé</dc:creator>
  <dc:date>2021-10-06</dc:date>
  <dc:description>Multi-band photometric transit observations or low resolution spectroscopy (spectro-photometry) are normally used to retrieve the broadband transmission spectra of transiting exoplanets in order to assess the chemical composition of their atmospheres. Here, we present an alternative approach for recovering the broadband transmission spectra using chromatic Doppler Tomography. To validate the method and examine its performance, we used new observational data obtained with the ESPRESSO instrument to retrieve the
transmission spectra of the archetypal hot Jupiter HD209458b. Our findings indicate that the recovered transmission spectrum is in good agreement with the results presented in previous studies, which used different methodologies to extract the spectrum.</dc:description>
  <dc:identifier>https://zenodo.org/record/5553440</dc:identifier>
  <dc:identifier>10.5281/zenodo.5553440</dc:identifier>
  <dc:identifier>oai:zenodo.org:5553440</dc:identifier>
  <dc:relation>doi:10.5281/zenodo.5553439</dc:relation>
  <dc:relation>url:https://zenodo.org/communities/plato2021</dc:relation>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:rights>https://creativecommons.org/licenses/by/4.0/legalcode</dc:rights>
  <dc:title>CHOCOLATE: a new Chromatic Line-Profile Tomography Technique to retrieve Transmission Spectroscopy</dc:title>
  <dc:type>info:eu-repo/semantics/conferencePoster</dc:type>
  <dc:type>poster</dc:type>
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