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spelling ndltd-arizona.edu-oai-arizona.openrepository.com-10150-6239532017-06-07T03:00:35Z ALMA SPECTROSCOPIC SURVEY IN THE HUBBLE ULTRA DEEP FIELD: SURVEY DESCRIPTION Walter, Fabian Decarli, Roberto Aravena, Manuel Carilli, Chris Bouwens, Rychard Cunha, Elisabete da Daddi, Emanuele Ivison, R. J. Riechers, Dominik Smail, Ian Swinbank, Mark Weiss, Axel Anguita, Timo Assef, Roberto Bacon, Roland Bauer, Franz Bell, Eric F. Bertoldi, Frank Chapman, Scott Colina, Luis Cortes, Paulo C. Cox, Pierre Dickinson, Mark Elbaz, David Gónzalez-López, Jorge Ibar, Edo Inami, Hanae Infante, Leopoldo Hodge, Jacqueline Karim, Alex Fevre, Olivier Le Magnelli, Benjamin Neri, Roberto Oesch, Pascal Ota, Kazuaki Popping, Gergö Rix, Hans-Walter Sargent, Mark Sheth, Kartik Wel, Arjen van der Werf, Paul van der Wagg, Jeff Univ Arizona, Steward Observ galaxies:evolution galaxies:ISM galaxies:high-redshift galaxies:formation surveys We present the rationale for and the observational description of ASPECS: the ALMA SPECtroscopic Survey in the Hubble Ultra-Deep Field (UDF), the cosmological deep field that has the deepest multi-wavelength data available. Our overarching goal is to obtain an unbiased census of molecular gas and dust continuum emission in high-redshift (z > 0.5) galaxies. The similar to 1' region covered within the UDF was chosen to overlap with the deepest available imaging from the Hubble Space Telescope. Our ALMA observations consist of full frequency scans in band. 3 (84-115 GHz) and band. 6 (212-272 GHz) at approximately uniform line sensitivity (L'(CO) similar to 2 x 10(9) K km s(-1) pc(2)), and continuum noise levels of 3.8 mu Jy beam(-1) and 12.7 ae Jy beam(-1), respectively. The molecular surveys cover the different rotational transitions of the CO molecule, leading to essentially full redshift coverage. The [C II] emission line is also covered at redshifts 6.0 < z < 8.0. We present a customized algorithm to identify line candidates in the molecular line scans. and quantify our ability to recover artificial sources from our data. Based on whether multiple CO lines are detected, and whether optical spectroscopic redshifts as well as optical counterparts exist, we constrain the most likely line identification. We report 10 (11) CO line candidates in the 3mm (1mm) band, and our statistical analysis shows that < 4 of these (in each band) are likely spurious. Less than one-third. of the total CO flux in the low-J CO line candidates are from sources that are not associated with an optical/NIR counterpart. We also present continuum maps of both the band. 3 and band. 6 observations. The data presented here form the basis of a number of dedicated studies that are presented in subsequent papers. 2016-12-08 Article ALMA SPECTROSCOPIC SURVEY IN THE HUBBLE ULTRA DEEP FIELD: SURVEY DESCRIPTION 2016, 833 (1):67 The Astrophysical Journal 1538-4357 10.3847/1538-4357/833/1/67 http://hdl.handle.net/10150/623953 http://arizona.openrepository.com/arizona/handle/10150/623953 The Astrophysical Journal en http://stacks.iop.org/0004-637X/833/i=1/a=67?key=crossref.587db85883c2c04d3140c6eeb4f83976 © 2016. The American Astronomical Society. All rights reserved. IOP PUBLISHING LTD
collection NDLTD
language en
sources NDLTD
topic galaxies:evolution
galaxies:ISM
galaxies:high-redshift
galaxies:formation
surveys
spellingShingle galaxies:evolution
galaxies:ISM
galaxies:high-redshift
galaxies:formation
surveys
Walter, Fabian
Decarli, Roberto
Aravena, Manuel
Carilli, Chris
Bouwens, Rychard
Cunha, Elisabete da
Daddi, Emanuele
Ivison, R. J.
Riechers, Dominik
Smail, Ian
Swinbank, Mark
Weiss, Axel
Anguita, Timo
Assef, Roberto
Bacon, Roland
Bauer, Franz
Bell, Eric F.
Bertoldi, Frank
Chapman, Scott
Colina, Luis
Cortes, Paulo C.
Cox, Pierre
Dickinson, Mark
Elbaz, David
Gónzalez-López, Jorge
Ibar, Edo
Inami, Hanae
Infante, Leopoldo
Hodge, Jacqueline
Karim, Alex
Fevre, Olivier Le
Magnelli, Benjamin
Neri, Roberto
Oesch, Pascal
Ota, Kazuaki
Popping, Gergö
Rix, Hans-Walter
Sargent, Mark
Sheth, Kartik
Wel, Arjen van der
Werf, Paul van der
Wagg, Jeff
ALMA SPECTROSCOPIC SURVEY IN THE HUBBLE ULTRA DEEP FIELD: SURVEY DESCRIPTION
description We present the rationale for and the observational description of ASPECS: the ALMA SPECtroscopic Survey in the Hubble Ultra-Deep Field (UDF), the cosmological deep field that has the deepest multi-wavelength data available. Our overarching goal is to obtain an unbiased census of molecular gas and dust continuum emission in high-redshift (z > 0.5) galaxies. The similar to 1' region covered within the UDF was chosen to overlap with the deepest available imaging from the Hubble Space Telescope. Our ALMA observations consist of full frequency scans in band. 3 (84-115 GHz) and band. 6 (212-272 GHz) at approximately uniform line sensitivity (L'(CO) similar to 2 x 10(9) K km s(-1) pc(2)), and continuum noise levels of 3.8 mu Jy beam(-1) and 12.7 ae Jy beam(-1), respectively. The molecular surveys cover the different rotational transitions of the CO molecule, leading to essentially full redshift coverage. The [C II] emission line is also covered at redshifts 6.0 < z < 8.0. We present a customized algorithm to identify line candidates in the molecular line scans. and quantify our ability to recover artificial sources from our data. Based on whether multiple CO lines are detected, and whether optical spectroscopic redshifts as well as optical counterparts exist, we constrain the most likely line identification. We report 10 (11) CO line candidates in the 3mm (1mm) band, and our statistical analysis shows that < 4 of these (in each band) are likely spurious. Less than one-third. of the total CO flux in the low-J CO line candidates are from sources that are not associated with an optical/NIR counterpart. We also present continuum maps of both the band. 3 and band. 6 observations. The data presented here form the basis of a number of dedicated studies that are presented in subsequent papers.
author2 Univ Arizona, Steward Observ
author_facet Univ Arizona, Steward Observ
Walter, Fabian
Decarli, Roberto
Aravena, Manuel
Carilli, Chris
Bouwens, Rychard
Cunha, Elisabete da
Daddi, Emanuele
Ivison, R. J.
Riechers, Dominik
Smail, Ian
Swinbank, Mark
Weiss, Axel
Anguita, Timo
Assef, Roberto
Bacon, Roland
Bauer, Franz
Bell, Eric F.
Bertoldi, Frank
Chapman, Scott
Colina, Luis
Cortes, Paulo C.
Cox, Pierre
Dickinson, Mark
Elbaz, David
Gónzalez-López, Jorge
Ibar, Edo
Inami, Hanae
Infante, Leopoldo
Hodge, Jacqueline
Karim, Alex
Fevre, Olivier Le
Magnelli, Benjamin
Neri, Roberto
Oesch, Pascal
Ota, Kazuaki
Popping, Gergö
Rix, Hans-Walter
Sargent, Mark
Sheth, Kartik
Wel, Arjen van der
Werf, Paul van der
Wagg, Jeff
author Walter, Fabian
Decarli, Roberto
Aravena, Manuel
Carilli, Chris
Bouwens, Rychard
Cunha, Elisabete da
Daddi, Emanuele
Ivison, R. J.
Riechers, Dominik
Smail, Ian
Swinbank, Mark
Weiss, Axel
Anguita, Timo
Assef, Roberto
Bacon, Roland
Bauer, Franz
Bell, Eric F.
Bertoldi, Frank
Chapman, Scott
Colina, Luis
Cortes, Paulo C.
Cox, Pierre
Dickinson, Mark
Elbaz, David
Gónzalez-López, Jorge
Ibar, Edo
Inami, Hanae
Infante, Leopoldo
Hodge, Jacqueline
Karim, Alex
Fevre, Olivier Le
Magnelli, Benjamin
Neri, Roberto
Oesch, Pascal
Ota, Kazuaki
Popping, Gergö
Rix, Hans-Walter
Sargent, Mark
Sheth, Kartik
Wel, Arjen van der
Werf, Paul van der
Wagg, Jeff
author_sort Walter, Fabian
title ALMA SPECTROSCOPIC SURVEY IN THE HUBBLE ULTRA DEEP FIELD: SURVEY DESCRIPTION
title_short ALMA SPECTROSCOPIC SURVEY IN THE HUBBLE ULTRA DEEP FIELD: SURVEY DESCRIPTION
title_full ALMA SPECTROSCOPIC SURVEY IN THE HUBBLE ULTRA DEEP FIELD: SURVEY DESCRIPTION
title_fullStr ALMA SPECTROSCOPIC SURVEY IN THE HUBBLE ULTRA DEEP FIELD: SURVEY DESCRIPTION
title_full_unstemmed ALMA SPECTROSCOPIC SURVEY IN THE HUBBLE ULTRA DEEP FIELD: SURVEY DESCRIPTION
title_sort alma spectroscopic survey in the hubble ultra deep field: survey description
publisher IOP PUBLISHING LTD
publishDate 2016
url http://hdl.handle.net/10150/623953
http://arizona.openrepository.com/arizona/handle/10150/623953
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