An ALMA survey of submillimeter galaxies in the COSMOS field: Multiwavelength counterparts and redshift distribution. Brisbin, D., Miettinen, O., Aravena, M., Smolčić, V., Delvecchio, I., Jiang, C., Magnelli, B., Albrecht, M., Arancibia, A. M., Aussel, H., Baran, N., Bertoldi, F., Béthermin, M., Capak, P., Casey, C. M., Civano, F., Hayward, C. C., Ilbert, O., Karim, A., Le Fevre, O., Marchesi, S., McCracken, H. J., Navarrete, F., Novak, M., Riechers, D., Padilla, N., Salvato, M., Scott, K., Schinnerer, E., Sheth, K., & Tasca, L. Astronomy and Astrophysics, 608:A15, December, 2017. ![An ALMA survey of submillimeter galaxies in the COSMOS field: Multiwavelength counterparts and redshift distribution [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex We carried out targeted ALMA observations of 129 fields in the COSMOS region at 1.25 mm, detecting 152 galaxies at S/N ≥ 5 with an average continuum RMS of 150 μJy. These fields represent a S/N-limited sample of AzTEC/ASTE sources with 1.1 mm S/N ≥ 4 over an area of 0.72 square degrees. Given ALMA's fine resolution and the exceptional spectroscopic and multiwavelength photometric data available in COSMOS, this survey allows us unprecedented power in identifying submillimeter galaxy counterparts and determining their redshifts through spectroscopic or photometric means. In addition to 30 sources with prior spectroscopic redshifts, we identified redshifts for 113 galaxies through photometric methods and an additional nine sources with lower limits, which allowed a statistically robust determination of the redshift distribution. We have resolved 33 AzTEC sources into multi-component systems and our redshifts suggest that nine are likely to be physically associated. Our overall redshift distribution peaks at z \textasciitilde 2.0 with a high-redshift tail skewing the median redshift to ∼\z=2\.48 ± 0.05. We find that brighter millimeter sources are preferentially found at higher redshifts. Our faintestsources, with S1.25 mm \textless 1.25 mJy, have a median redshift of ∼\z=2\.18 ± 0.09, while the brightest sources, S1.25 mm \textgreater 1.8 mJy, have a median redshift of ∼\z=3\.08 ± 0.17. After accounting for spectral energy distribution shape and selection effects, these results are consistent with several previous submillimeter galaxy surveys, and moreover, support the conclusion that the submillimeter galaxy redshift distribution is sensitive to survey depth.
@article{brisbin_alma_2017,
title = {An {ALMA} survey of submillimeter galaxies in the {COSMOS} field: {Multiwavelength} counterparts and redshift distribution},
volume = {608},
issn = {0004-6361},
shorttitle = {An {ALMA} survey of submillimeter galaxies in the {COSMOS} field},
url = {http://adsabs.harvard.edu/abs/2017A%26A...608A..15B},
doi = {10.1051/0004-6361/201730558},
abstract = {We carried out targeted ALMA observations of 129 fields in the COSMOS
region at 1.25 mm, detecting 152 galaxies at S/N ≥ 5 with an average
continuum RMS of 150 μJy. These fields represent a S/N-limited sample
of AzTEC/ASTE sources with 1.1 mm S/N ≥ 4 over an area of 0.72 square
degrees. Given ALMA's fine resolution and the exceptional spectroscopic
and multiwavelength photometric data available in COSMOS, this survey
allows us unprecedented power in identifying submillimeter galaxy
counterparts and determining their redshifts through spectroscopic or
photometric means. In addition to 30 sources with prior spectroscopic
redshifts, we identified redshifts for 113 galaxies through photometric
methods and an additional nine sources with lower limits, which allowed
a statistically robust determination of the redshift distribution. We
have resolved 33 AzTEC sources into multi-component systems and our
redshifts suggest that nine are likely to be physically associated. Our
overall redshift distribution peaks at z {\textasciitilde} 2.0 with a high-redshift tail
skewing the median redshift to ∼\{z=2\}.48 ± 0.05. We find that
brighter millimeter sources are preferentially found at higher
redshifts. Our faintestsources, with S1.25 mm {\textless} 1.25 mJy,
have a median redshift of ∼\{z=2\}.18 ± 0.09, while the
brightest sources, S1.25 mm {\textgreater} 1.8 mJy, have a median
redshift of ∼\{z=3\}.08 ± 0.17. After accounting for spectral
energy distribution shape and selection effects, these results are
consistent with several previous submillimeter galaxy surveys, and
moreover, support the conclusion that the submillimeter galaxy redshift
distribution is sensitive to survey depth.},
urldate = {2021-03-09},
journal = {Astronomy and Astrophysics},
author = {Brisbin, Drew and Miettinen, Oskari and Aravena, Manuel and Smolčić, Vernesa and Delvecchio, Ivan and Jiang, Chunyan and Magnelli, Benjamin and Albrecht, Marcus and Arancibia, Alejandra Muñoz and Aussel, Hervé and Baran, Nikola and Bertoldi, Frank and Béthermin, Matthieu and Capak, Peter and Casey, Caitlin M. and Civano, Francesca and Hayward, Christopher C. and Ilbert, Olivier and Karim, Alexander and Le Fevre, Olivier and Marchesi, Stefano and McCracken, Henry Joy and Navarrete, Felipe and Novak, Mladen and Riechers, Dominik and Padilla, Nelson and Salvato, Mara and Scott, Kimberly and Schinnerer, Eva and Sheth, Kartik and Tasca, Lidia},
month = dec,
year = {2017},
keywords = {catalogs, galaxies: distances and redshifts, galaxies: evolution, galaxies: high-redshift, galaxies: statistics},
pages = {A15},
}
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J.","Navarrete, F.","Novak, M.","Riechers, D.","Padilla, N.","Salvato, M.","Scott, K.","Schinnerer, E.","Sheth, K.","Tasca, L."],"bibdata":{"bibtype":"article","type":"article","title":"An ALMA survey of submillimeter galaxies in the COSMOS field: Multiwavelength counterparts and redshift distribution","volume":"608","issn":"0004-6361","shorttitle":"An ALMA survey of submillimeter galaxies in the COSMOS field","url":"http://adsabs.harvard.edu/abs/2017A%26A...608A..15B","doi":"10.1051/0004-6361/201730558","abstract":"We carried out targeted ALMA observations of 129 fields in the COSMOS region at 1.25 mm, detecting 152 galaxies at S/N ≥ 5 with an average continuum RMS of 150 μJy. These fields represent a S/N-limited sample of AzTEC/ASTE sources with 1.1 mm S/N ≥ 4 over an area of 0.72 square degrees. Given ALMA's fine resolution and the exceptional spectroscopic and multiwavelength photometric data available in COSMOS, this survey allows us unprecedented power in identifying submillimeter galaxy counterparts and determining their redshifts through spectroscopic or photometric means. In addition to 30 sources with prior spectroscopic redshifts, we identified redshifts for 113 galaxies through photometric methods and an additional nine sources with lower limits, which allowed a statistically robust determination of the redshift distribution. We have resolved 33 AzTEC sources into multi-component systems and our redshifts suggest that nine are likely to be physically associated. Our overall redshift distribution peaks at z \\textasciitilde 2.0 with a high-redshift tail skewing the median redshift to ∼\\z=2\\.48 ± 0.05. We find that brighter millimeter sources are preferentially found at higher redshifts. Our faintestsources, with S1.25 mm \\textless 1.25 mJy, have a median redshift of ∼\\z=2\\.18 ± 0.09, while the brightest sources, S1.25 mm \\textgreater 1.8 mJy, have a median redshift of ∼\\z=3\\.08 ± 0.17. After accounting for spectral energy distribution shape and selection effects, these results are consistent with several previous submillimeter galaxy surveys, and moreover, support the conclusion that the submillimeter galaxy redshift distribution is sensitive to survey depth.","urldate":"2021-03-09","journal":"Astronomy and Astrophysics","author":[{"propositions":[],"lastnames":["Brisbin"],"firstnames":["Drew"],"suffixes":[]},{"propositions":[],"lastnames":["Miettinen"],"firstnames":["Oskari"],"suffixes":[]},{"propositions":[],"lastnames":["Aravena"],"firstnames":["Manuel"],"suffixes":[]},{"propositions":[],"lastnames":["Smolčić"],"firstnames":["Vernesa"],"suffixes":[]},{"propositions":[],"lastnames":["Delvecchio"],"firstnames":["Ivan"],"suffixes":[]},{"propositions":[],"lastnames":["Jiang"],"firstnames":["Chunyan"],"suffixes":[]},{"propositions":[],"lastnames":["Magnelli"],"firstnames":["Benjamin"],"suffixes":[]},{"propositions":[],"lastnames":["Albrecht"],"firstnames":["Marcus"],"suffixes":[]},{"propositions":[],"lastnames":["Arancibia"],"firstnames":["Alejandra","Muñoz"],"suffixes":[]},{"propositions":[],"lastnames":["Aussel"],"firstnames":["Hervé"],"suffixes":[]},{"propositions":[],"lastnames":["Baran"],"firstnames":["Nikola"],"suffixes":[]},{"propositions":[],"lastnames":["Bertoldi"],"firstnames":["Frank"],"suffixes":[]},{"propositions":[],"lastnames":["Béthermin"],"firstnames":["Matthieu"],"suffixes":[]},{"propositions":[],"lastnames":["Capak"],"firstnames":["Peter"],"suffixes":[]},{"propositions":[],"lastnames":["Casey"],"firstnames":["Caitlin","M."],"suffixes":[]},{"propositions":[],"lastnames":["Civano"],"firstnames":["Francesca"],"suffixes":[]},{"propositions":[],"lastnames":["Hayward"],"firstnames":["Christopher","C."],"suffixes":[]},{"propositions":[],"lastnames":["Ilbert"],"firstnames":["Olivier"],"suffixes":[]},{"propositions":[],"lastnames":["Karim"],"firstnames":["Alexander"],"suffixes":[]},{"propositions":[],"lastnames":["Le","Fevre"],"firstnames":["Olivier"],"suffixes":[]},{"propositions":[],"lastnames":["Marchesi"],"firstnames":["Stefano"],"suffixes":[]},{"propositions":[],"lastnames":["McCracken"],"firstnames":["Henry","Joy"],"suffixes":[]},{"propositions":[],"lastnames":["Navarrete"],"firstnames":["Felipe"],"suffixes":[]},{"propositions":[],"lastnames":["Novak"],"firstnames":["Mladen"],"suffixes":[]},{"propositions":[],"lastnames":["Riechers"],"firstnames":["Dominik"],"suffixes":[]},{"propositions":[],"lastnames":["Padilla"],"firstnames":["Nelson"],"suffixes":[]},{"propositions":[],"lastnames":["Salvato"],"firstnames":["Mara"],"suffixes":[]},{"propositions":[],"lastnames":["Scott"],"firstnames":["Kimberly"],"suffixes":[]},{"propositions":[],"lastnames":["Schinnerer"],"firstnames":["Eva"],"suffixes":[]},{"propositions":[],"lastnames":["Sheth"],"firstnames":["Kartik"],"suffixes":[]},{"propositions":[],"lastnames":["Tasca"],"firstnames":["Lidia"],"suffixes":[]}],"month":"December","year":"2017","keywords":"catalogs, galaxies: distances and redshifts, galaxies: evolution, galaxies: high-redshift, galaxies: statistics","pages":"A15","bibtex":"@article{brisbin_alma_2017,\n\ttitle = {An {ALMA} survey of submillimeter galaxies in the {COSMOS} field: {Multiwavelength} counterparts and redshift distribution},\n\tvolume = {608},\n\tissn = {0004-6361},\n\tshorttitle = {An {ALMA} survey of submillimeter galaxies in the {COSMOS} field},\n\turl = {http://adsabs.harvard.edu/abs/2017A%26A...608A..15B},\n\tdoi = {10.1051/0004-6361/201730558},\n\tabstract = {We carried out targeted ALMA observations of 129 fields in the COSMOS \nregion at 1.25 mm, detecting 152 galaxies at S/N ≥ 5 with an average\ncontinuum RMS of 150 μJy. These fields represent a S/N-limited sample\nof AzTEC/ASTE sources with 1.1 mm S/N ≥ 4 over an area of 0.72 square\ndegrees. Given ALMA's fine resolution and the exceptional spectroscopic\nand multiwavelength photometric data available in COSMOS, this survey\nallows us unprecedented power in identifying submillimeter galaxy\ncounterparts and determining their redshifts through spectroscopic or\nphotometric means. In addition to 30 sources with prior spectroscopic\nredshifts, we identified redshifts for 113 galaxies through photometric\nmethods and an additional nine sources with lower limits, which allowed\na statistically robust determination of the redshift distribution. We\nhave resolved 33 AzTEC sources into multi-component systems and our\nredshifts suggest that nine are likely to be physically associated. Our\noverall redshift distribution peaks at z {\\textasciitilde} 2.0 with a high-redshift tail\nskewing the median redshift to ∼\\{z=2\\}.48 ± 0.05. We find that\nbrighter millimeter sources are preferentially found at higher\nredshifts. Our faintestsources, with S1.25 mm {\\textless} 1.25 mJy,\nhave a median redshift of ∼\\{z=2\\}.18 ± 0.09, while the\nbrightest sources, S1.25 mm {\\textgreater} 1.8 mJy, have a median\nredshift of ∼\\{z=3\\}.08 ± 0.17. 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