Alma spectroscopic survey in the hubble ultra deep field: survey description

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dc.contributor.authorWalter, Fabian
dc.contributor.authorDecarli, Roberto
dc.contributor.authorAravena, Manuel
dc.contributor.authorCarilli, Chris
dc.contributor.authorBouwens, Rychard
dc.contributor.authorCunha, Elisabete Da
dc.contributor.authorDaddi, Emanuele
dc.contributor.authorIvison, R.J.
dc.contributor.authorRiechers, Dominik
dc.contributor.authorSmail, Ian
dc.contributor.authorSwinbank, Mark
dc.contributor.authorWeiss, Axel
dc.contributor.authorAnguita, Timo
dc.contributor.authorAssef, Roberto
dc.contributor.authorBacon, Roland
dc.contributor.authorBauer, Franz
dc.contributor.authorBell, Eric F.
dc.contributor.authorBertoldi, Frank
dc.contributor.authorChapman, Scott
dc.contributor.authorColina, Luis
dc.contributor.authorCortes, Paulo C.
dc.contributor.authorCox, Pierre
dc.contributor.authorDickinson, Mark
dc.contributor.authorElbaz, David
dc.contributor.authorGónzalez-López, Jorge
dc.contributor.authorIbar, Edo
dc.contributor.authorInami, Hanae
dc.contributor.authorInfante, Leopoldo
dc.contributor.authorHodge, Jacqueline
dc.contributor.authorKarim, Alex
dc.contributor.authorFevre, Olivier Le
dc.contributor.authorMagnelli, Benjamin
dc.contributor.authorNeri, Roberto
dc.contributor.authorOesch, Pascal
dc.contributor.authorOta, Kazuaki
dc.contributor.authorPopping, Gergö
dc.contributor.authorRix, Hans-Walter
dc.contributor.authorSargent, Mark
dc.contributor.authorSheth, Kartik
dc.contributor.authorWel, Arjen Van Der
dc.contributor.authorWerf, Paul Van Der
dc.contributor.authorWagg, Jeff
dc.date.accessioned2023-08-09T23:17:21Z
dc.date.available2023-08-09T23:17:21Z
dc.date.issued2016-12
dc.descriptionIndexación: Scopus.es
dc.description.abstractWe 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 ∼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 (LCO¢ ~ 2 × 109 K km s−1 pc2 ), and continuum noise levels of 3.8 μJy beam−1 and 12.7 μJy 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 8.0 < <z . 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 3 mm (1 mm) 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.es
dc.description.urihttps://iopscience-iop-org.recursosbiblioteca.unab.cl/article/10.3847/1538-4357/833/1/67
dc.identifier.citationAstrophysical Journal.Open Access.Volume 833, Issue 1.10 December 2016. Article number 67es
dc.identifier.doi10.3847/1538-4357/833/1/67
dc.identifier.issn0004-637X
dc.identifier.urihttps://repositorio.unab.cl/xmlui/handle/ria/52415
dc.language.isoenes
dc.publisherInstitute of Physics Publishinges
dc.rights.licenseAtribution 4.0 International (CC BY 4.0)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/deed.es
dc.subjectGalaxies: Evolutiones
dc.subjectGalaxies: ISMes
dc.subjectGalaxies: High-Redshiftes
dc.subjectGalaxies: Formationes
dc.subjectSurveyses
dc.titleAlma spectroscopic survey in the hubble ultra deep field: survey descriptiones
dc.typeArtículoes
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