High Dense Gas Fraction in a Gas-rich Star-forming Galaxy at z = 1.2

High Dense Gas Fraction in a Gas-rich Star-forming Galaxy at z = 1.2

We report observations of dense molecular gas in the star-forming galaxy EGS 13004291 ( z  = 1.197) using the Plateau de Bure Interferometer. We tentatively detect HCN and HNC emission when stacked together at significance, yielding line luminosities of K km s −1 pc 2 and K km s −1 pc 2 , respective...

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Veröffentlicht in:The Astrophysical journal 2017-04, Vol.838 (2), p.136
Hauptverfasser: Gowardhan, Avani, Riechers, Dominik A., Daddi, Emanuele, Pavesi, Riccardo, Dannerbauer, Helmut, Carilli, Chris
Format: Artikel
Sprache:eng
Schlagworte:
Astrophysics
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
CARBON MONOXIDE
Efficiency
EMISSION
Enhanced geothermal systems
EXCITATION
Field of view
GALACTIC EVOLUTION
GALAXIES
INTERFEROMETERS
LUMINOSITY
Molecular gases
MOLECULES
RED SHIFT
Space telescopes
Spirals
Star & galaxy formation
STAR EVOLUTION
Star formation
STARS
Stars & galaxies
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Zusammenfassung:We report observations of dense molecular gas in the star-forming galaxy EGS 13004291 ( z  = 1.197) using the Plateau de Bure Interferometer. We tentatively detect HCN and HNC emission when stacked together at significance, yielding line luminosities of K km s −1 pc 2 and K km s −1 pc 2 , respectively. We also set 3 σ upper limits of
ISSN:0004-637X
1538-4357
DOI:10.3847/1538-4357/aa65d2