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Molecular clouds in the Cosmic Snake normal star-forming galaxy 8 billion years ago

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F19%3A00539815" target="_blank" >RIV/67985815:_____/19:00539815 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1038/s41550-019-0874-0" target="_blank" >https://doi.org/10.1038/s41550-019-0874-0</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1038/s41550-019-0874-0" target="_blank" >10.1038/s41550-019-0874-0</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Molecular clouds in the Cosmic Snake normal star-forming galaxy 8 billion years ago

  • Original language description

    We search for GMCs in a typical Milky Way progenitor at z = 1.036. Using the Atacama Large Millimeter/submillimeter Array (ALMA), we mapped the CO(4-3) emission of this gravitationally lensed galaxy at high resolution, reading down to 30 parsecs, which is comparable to the resolution of CO observations of nearby galaxies(5). We identify 17 molecular clouds, characterized by masses, surface densities and supersonic turbulence all of which are 10-100 times higher than present-day analogues. These properties question the universality of GMCs(6) and suggest that GMCs inherit their properties from ambient interstellar medium. The measured cloud gas masses are similar to the masses of stellar clumps seen in the galaxy in comparable numbers(7). This corroborates the formation of molecular clouds by fragmentation of distant turbulent galactic gas disks(8,9), which then turn into stellar clumps ubiquitously observed in galaxies at 'cosmic noon' (ref.(10)).

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10308 - Astronomy (including astrophysics,space science)

Result continuities

  • Project

  • Continuities

Others

  • Publication year

    2019

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Nature Astronomy

  • ISSN

    2397-3366

  • e-ISSN

  • Volume of the periodical

    3

  • Issue of the periodical within the volume

    12

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    7

  • Pages from-to

    1115-1121

  • UT code for WoS article

    000501586100022

  • EID of the result in the Scopus database

    2-s2.0-85073814986