SIMBAD references

2010ApJ...720L.144D - Astrophys. J., 720, L144-L148 (2010/September-2)

Unveiling far-infrared counterparts of bright submillimeter galaxies using PACS imaging.

DANNERBAUER H., DADDI E., MORRISON G.E., ALTIERI B., ANDREANI P., AUSSEL H., BERTA S., BONGIOVANNI A., CAVA A., CEPA J., CIMATTI A., DOMINGUEZ H., ELBAZ D., FORSTER SCHREIBER N.M., GENZEL R., GRUPPIONI C., HOREAU B., HWANG H.S., LE FLOC'H E., LE PENNEC J., LUTZ D., MAGDIS G., MAGNELLI B., MAIOLINO R., NORDON R., PEREZ GARCIA A.M., POGLITSCH A., POPESSO P., POZZI F., RIGUCCINI L., RODIGHIERO G., SAINTONGE A., SANTINI P., SANCHEZ-PORTAL M., SHAO L., STURM E., TACCONI L. and VALTCHANOV I.

Abstract (from CDS):

We present a search for Herschel-PACS counterparts of dust-obscured, high-redshift objects previously selected at submillimeter and millimeter wavelengths in the Great Observatories Origins Deep Survey North field. We detect 22 of 56 submillimeter galaxies (SMGs, 39%) with a signal-to-noise ratio of ≥3 at 100 µm down to 3.0 mJy, and/or at 160 µm down to 5.7 mJy. The fraction of SMGs seen at 160 µm is higher than that at 100 µm. About 50% of radio-identified SMGs are associated with PACS sources. We find a trend between the SCUBA/PACS flux ratio and redshift, suggesting that these flux ratios could be used as a coarse redshift indicator. PACS-undetected submillimeter/millimeter selected sources tend to lie at higher redshifts than the PACS-detected ones. A total of 12 sources (21% of our SMG sample) remain unidentified and the fact that they are blank fields at Herschel-PACS and the Very Large Array 20 cm wavelength may imply higher redshifts for them than for the average SMG population (e.g., z>3-4). The Herschel-PACS imaging of these dust-obscured starbursts at high redshifts suggests that their far-infrared spectral energy distributions have significantly different shapes than template libraries of local infrared galaxies.

Abstract Copyright:

Journal keyword(s): cosmology: observations - galaxies: high-redshift - galaxies: individual (GN13 alias, HDF850.4) - galaxies: starburst - infrared: galaxies - submillimeter: galaxies

Simbad objects: 8

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