Precise Identifications of Submillimeter Galaxies: Measuring the History of Massive Star-forming Galaxies to z \textgreater 5. Barger, A. J., Wang, W., Cowie, L. L., Owen, F. N., Chen, C., & Williams, J. P. The Astrophysical Journal, 761:89, December, 2012. ![Precise Identifications of Submillimeter Galaxies: Measuring the History of Massive Star-forming Galaxies to z \textgreater 5 [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex We carried out extremely sensitive Submillimeter Array (SMA) 340 GHz (860 μm) continuum imaging of a complete sample of SCUBA 850 μm sources (\textgreater4σ) with fluxes \textgreater3 mJy in the GOODS-N. Using these data and new SCUBA-2 data, we do not detect 4 of the 16 SCUBA sources, and we rule out the original SCUBA fluxes at the 4σ level. Three more resolve into multiple fainter SMA galaxies, suggesting that our understanding of the most luminous high-redshift dusty galaxies may not be as reliable as we thought. 10 of the 16 independent SMA sources have spectroscopic redshifts (optical/infrared or CO) up to z = 5.18. Using a new, ultradeep 20 cm image obtained with the Karl G. Jansky Very Large Array (rms of 2.5 μJy), we find that all 16 of the SMA sources are detected at \textgreater5σ. Using Herschel far-infrared (FIR) data, we show that the five isolated SMA sources with Herschel detections are well described by an Arp 220 spectral energy distribution template in the FIR. They also closely obey the local FIR-radio correlation, a result that does not suffer from a radio bias. We compute the contribution from the 16 SMA sources to the universal star formation rate (SFR) per comoving volume. With individual SFRs in the range 700-5000 M ⊙ yr-1, they contribute \textasciitilde30% of the extinction-corrected ultraviolet-selected SFR density from z = 1 to at least z = 5. Star formation histories determined from extinction-corrected ultraviolet populations and from submillimeter galaxy populations only partially overlap, due to the extreme ultraviolet faintness of some submillimeter galaxies. Herschel is an ESA space observatory with science instruments provided by European-led Principal Investigator consortia and with important participation from NASA.
@article{barger_precise_2012,
title = {Precise {Identifications} of {Submillimeter} {Galaxies}: {Measuring} the {History} of {Massive} {Star}-forming {Galaxies} to z {\textgreater} 5},
volume = {761},
issn = {0004-637X},
shorttitle = {Precise {Identifications} of {Submillimeter} {Galaxies}},
url = {http://adsabs.harvard.edu/abs/2012ApJ...761...89B},
doi = {10.1088/0004-637X/761/2/89},
abstract = {We carried out extremely sensitive Submillimeter Array (SMA) 340 GHz
(860 μm) continuum imaging of a complete sample of SCUBA 850 μm
sources ({\textgreater}4σ) with fluxes {\textgreater}3 mJy in the GOODS-N. Using these
data and new SCUBA-2 data, we do not detect 4 of the 16 SCUBA sources,
and we rule out the original SCUBA fluxes at the 4σ level. Three
more resolve into multiple fainter SMA galaxies, suggesting that our
understanding of the most luminous high-redshift dusty galaxies may not
be as reliable as we thought. 10 of the 16 independent SMA sources have
spectroscopic redshifts (optical/infrared or CO) up to z = 5.18. Using a
new, ultradeep 20 cm image obtained with the Karl G. Jansky Very Large
Array (rms of 2.5 μJy), we find that all 16 of the SMA sources are
detected at {\textgreater}5σ. Using Herschel far-infrared (FIR) data, we
show that the five isolated SMA sources with Herschel detections are
well described by an Arp 220 spectral energy distribution template in
the FIR. They also closely obey the local FIR-radio correlation, a
result that does not suffer from a radio bias. We compute the
contribution from the 16 SMA sources to the universal star formation
rate (SFR) per comoving volume. With individual SFRs in the range
700-5000 M ⊙ yr-1, they contribute
{\textasciitilde}30\% of the extinction-corrected ultraviolet-selected SFR density from z
= 1 to at least z = 5. Star formation histories determined from
extinction-corrected ultraviolet populations and from submillimeter
galaxy populations only partially overlap, due to the extreme
ultraviolet faintness of some submillimeter galaxies.
Herschel is an ESA space observatory with science instruments provided
by European-led Principal Investigator consortia and with important
participation from NASA.},
urldate = {2021-02-25},
journal = {The Astrophysical Journal},
author = {Barger, A. J. and Wang, W.-H. and Cowie, L. L. and Owen, F. N. and Chen, C.-C. and Williams, J. P.},
month = dec,
year = {2012},
keywords = {cosmology: observations, galaxies: distances and redshifts, galaxies: evolution, galaxies: starburst},
pages = {89},
}
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Using these data and new SCUBA-2 data, we do not detect 4 of the 16 SCUBA sources, and we rule out the original SCUBA fluxes at the 4σ level. Three more resolve into multiple fainter SMA galaxies, suggesting that our understanding of the most luminous high-redshift dusty galaxies may not be as reliable as we thought. 10 of the 16 independent SMA sources have spectroscopic redshifts (optical/infrared or CO) up to z = 5.18. Using a new, ultradeep 20 cm image obtained with the Karl G. Jansky Very Large Array (rms of 2.5 μJy), we find that all 16 of the SMA sources are detected at \\textgreater5σ. Using Herschel far-infrared (FIR) data, we show that the five isolated SMA sources with Herschel detections are well described by an Arp 220 spectral energy distribution template in the FIR. They also closely obey the local FIR-radio correlation, a result that does not suffer from a radio bias. We compute the contribution from the 16 SMA sources to the universal star formation rate (SFR) per comoving volume. With individual SFRs in the range 700-5000 M ⊙ yr-1, they contribute \\textasciitilde30% of the extinction-corrected ultraviolet-selected SFR density from z = 1 to at least z = 5. Star formation histories determined from extinction-corrected ultraviolet populations and from submillimeter galaxy populations only partially overlap, due to the extreme ultraviolet faintness of some submillimeter galaxies. 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Using these\ndata and new SCUBA-2 data, we do not detect 4 of the 16 SCUBA sources,\nand we rule out the original SCUBA fluxes at the 4σ level. Three\nmore resolve into multiple fainter SMA galaxies, suggesting that our\nunderstanding of the most luminous high-redshift dusty galaxies may not\nbe as reliable as we thought. 10 of the 16 independent SMA sources have\nspectroscopic redshifts (optical/infrared or CO) up to z = 5.18. Using a\nnew, ultradeep 20 cm image obtained with the Karl G. Jansky Very Large\nArray (rms of 2.5 μJy), we find that all 16 of the SMA sources are\ndetected at {\\textgreater}5σ. Using Herschel far-infrared (FIR) data, we\nshow that the five isolated SMA sources with Herschel detections are\nwell described by an Arp 220 spectral energy distribution template in\nthe FIR. They also closely obey the local FIR-radio correlation, a\nresult that does not suffer from a radio bias. 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