Gas in Galaxies (IMAGE)

Kavli Institute for the Physics and Mathematics of the Universe

Gas in Galaxies

Caption

UV light associated with the gas is faint, but brighter in the infrared due to the presence of dust that impacts the UV more than the IR. Left: Map of the galaxy PACS-867 taken by ALMA where carbon monoxide (CO) emission shows molecular gas reservoir out of which stars form. Center: Image taken by Hubble Space Telescope Advanced Camera for Surveys of PACS-867 showing rest-frame UV light from young stars in individual components of highly disturbed galaxies as a result of a massive merger. Location of molecular gas in Left image is overlaid (blue contours), showing where new stars are forming. Right: Spitzer Space Telescope infrared image (3.6 micron) of PACS-867 highlights stars embedded in dust and associated with molecular gas.

Credit

Left image credit: ALMA (ESO/NAOJ/NRAO), J. Silverman (Kavli IPMU), Center image credit: NASA/ESA Hubble Space Telescope, ALMA (ESO/NAOJ/NRAO), J. Silverman (Kavli IPMU), Right image credit: NASA/Spitzer Space Telescope, ALMA (ESO/NAOJ/NRAO), J. Silverman (Kavli IPMU)

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