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Molecular Gas and Star-formation in Selected H-ATLAS SDP Lensed SMGs

  • Lerothodi L. Leeuw (a1) (a2), Dominik A. Riechers (a3) (a4), John M. Carpenter (a3), Mattia Negrello (a5), Rob J. Ivison (a6) (a7) and H-ATLAS Lensing and Core...

Abstract

We present detections of spatially resolved CO(J = 2→1) and CO(J = 3→2) emission, respectively, from the lensed submillimeter (submm) galaxies (SMGs), ID 9 (z = 1.577) and ID 17b (z = 2.308), found in the Science Demonstration Phase (SDP) of the Herschel Astrophysical Terahertz Large Area Survey (H-ATLAS, www.h-atlas.org). The detections were obtained using the Combined Array for Research in Millimeter-wave Astronomy (CARMA, www.mmarray.org) and confirm redshifts of the lensed galaxies. We exploit the CARMA data together with existing high-J observations, to determine, among other physical properties of the lensed SMGs, the CO line luminosities, brightness temperature ratios, gas masses, and spatial sizes.

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Keywords

Molecular Gas and Star-formation in Selected H-ATLAS SDP Lensed SMGs

  • Lerothodi L. Leeuw (a1) (a2), Dominik A. Riechers (a3) (a4), John M. Carpenter (a3), Mattia Negrello (a5), Rob J. Ivison (a6) (a7) and H-ATLAS Lensing and Core...

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