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  • Of Chilean Astronomy, Exoplanets, and a bit of Antarctica

     

    Seminar Title 

     Of Chilean Astronomy, Exoplanets, and a bit of  Antarctica

       

    Speaker:  

    Dr.  Patricio Rojo

       

     Affiliation:   

      ( Departamento de Astronomia Universidad de Chile)

       
    When Monday afternoon , Dec. 15th, 15:00 p.m
       

    Where:  

     Room 619, Office Block, 2 West Beijing Road (PMO, CAS)
     
     

    Welcome to Attend  

     
      ( PMO Academic Committee & Academic Circulating committee)
     

    Abstract      

       I will present a few relevant topics for upcoming Chinese-Chilean collaborations.  Including, (1) A quick overview of the current state of the state of Chilean Astronomy, (2) a first  attempt at East Antarctica site testing for Astronomy, and (3) the first detection of Calcium in an exoplanetary atmosphere. The latter was product of a new pipeline that performs an automated search for the exoatmospheric presence of several elements without any a-priori assumptions on its existence or strength. We analyzed thousands of lines in the full spectral range of this optical echelle spectrograph using a robust method to correct for the telluric contamination. We recover previous detections of Sodium and Halpha, and present the first strong detection of Calcium in an Extrasolar Atmosphere as well as the tentative detection of other elements. The Calcium detection is in disagreement with theoretical thermal-equilibrium models.

    Copyright? Purple Mountain Observatory, CAS, No.10 Yuanhua Road, Qixia District, Nanjing 210023, China
    Phone: 0086 25 8333 2000 Fax: 8333 2091 http://english.pmo.cas.cn