Poster Open Access

Star-Formation History in Early Universe Revealed by Blind Line-Search using AtLAST and ALMA

Hayatsu H., Natsuki


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{
  "description": "Using blind line searches to understand the cosmic star-formation history is one of the strategies that will be pursued by AtLAST, which will have high sensitivity and mapping speed. Before moving into the 'AtLAST era', it is essential to develop a method to efficiently detect faint sources considering the completeness of source detection and contamination by false detections. Furthermore, in order to propose strategies for blind line searching using AtLAST, it is necessary to know to what extent we can constrain the luminosity function using existing ALMA archival data. In this presentation, we report the current status of tests using a blind line-searching method and show preliminary results. We plan to apply our final results to various science cases for future AtLAST observations e.g. cross-checking the luminosity density using an intensity-mapping technique or estimating the redshift evolution of ionization state or metallicity by combining with JWST or SPICA data. We plan to release our code as a CASA task.", 
  "license": "http://creativecommons.org/licenses/by/4.0/legalcode", 
  "creator": [
    {
      "affiliation": "ESO Garching, Germany", 
      "@type": "Person", 
      "name": "Hayatsu H., Natsuki"
    }
  ], 
  "url": "https://zenodo.org/record/1159027", 
  "datePublished": "2018-01-25", 
  "@context": "https://schema.org/", 
  "identifier": "https://doi.org/10.5281/zenodo.1159027", 
  "@id": "https://doi.org/10.5281/zenodo.1159027", 
  "@type": "CreativeWork", 
  "name": "Star-Formation History in Early Universe Revealed by Blind Line-Search using AtLAST and ALMA"
}
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