Utilizza questo identificativo per citare o creare un link a questo documento:
http://hdl.handle.net/20.500.12386/28587
Campo DC | Valore | Lingua |
---|---|---|
dc.contributor.author | Uzgil, Bade D. | en_US |
dc.contributor.author | Carilli, Chris | en_US |
dc.contributor.author | Lidz, Adam | en_US |
dc.contributor.author | Walter, Fabian | en_US |
dc.contributor.author | Thyagarajan, Nithyanandan | en_US |
dc.contributor.author | DECARLI, ROBERTO | en_US |
dc.contributor.author | Aravena, Manuel | en_US |
dc.contributor.author | Bertoldi, Frank | en_US |
dc.contributor.author | Cortes, Paulo C. | en_US |
dc.contributor.author | González-López, Jorge | en_US |
dc.contributor.author | Inami, Hanae | en_US |
dc.contributor.author | Popping, Gergö | en_US |
dc.contributor.author | Riechers, Dominik A. | en_US |
dc.contributor.author | Van der Werf, Paul | en_US |
dc.contributor.author | Wagg, Jeff | en_US |
dc.contributor.author | Weiss, Axel | en_US |
dc.date.accessioned | 2020-11-27T15:06:22Z | - |
dc.date.available | 2020-11-27T15:06:22Z | - |
dc.date.issued | 2019 | en_US |
dc.identifier.issn | 0004-637X | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/28587 | - |
dc.description.abstract | We present a power spectrum analysis of the ALMA Spectroscopic Survey Large Program (ASPECS LP) data from 84 to 115 GHz. These data predominantly probe small-scale fluctuations (k = 10-100 h Mpc<SUP>-1</SUP>) in the aggregate CO emission in galaxies at 1≲ z ≲ 4. We place an integral constraint on CO luminosity functions (LFs) in this redshift range via a direct measurement of their second moments in the three-dimensional (3D) autopower spectrum, finding a total CO shot-noise power {P}<SUB>CO</SUB>,{CO}}({k}<SUB>CO</SUB>(2-1)})≤slant 1.9× {10}<SUP>2</SUP> μK<SUP>2</SUP> (Mpc h <SUP>-1</SUP>)<SUP>3</SUP>. This upper limit (3σ) is consistent with the observed ASPECS CO LFs in Decarli et al. but rules out a large space in the range of {P}<SUB>CO</SUB>,{CO}}({k}<SUB>CO</SUB>(2-1)}) inferred from these LFs, which we attribute primarily to large uncertainties in the normalization Φ<SUB>*</SUB> and knee L <SUB>*</SUB> of the Schechter-form CO LFs at z > 2. Also, through power spectrum analyses of ASPECS LP data with 415 positions from galaxies with available optical spectroscopic redshifts, we find that contributions to the observed mean CO intensity and shot-noise power of MUSE galaxies are largely accounted for by ASPECS blind detections. Finally, we sum the fluxes from individual blind CO detections to yield a lower limit on the mean CO surface brightness at 99 GHz of < {T}<SUB>CO</SUB>}> =0.55+/- 0.02 μK, which we estimate represents 68%-80% of the total CO surface brightness at this frequency. | en_US |
dc.language.iso | eng | en_US |
dc.title | The ALMA Spectroscopic Survey in the HUDF: Constraining Cumulative CO Emission at 1 ≲ z ≲ 4 with Power Spectrum Analysis of ASPECS LP Data from 84 to 115 GHz | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.3847/1538-4357/ab517f | en_US |
dc.identifier.scopus | 2-s2.0-85077453805 | en_US |
dc.identifier.isi | 000506001500037 | en_US |
dc.identifier.url | https://iopscience.iop.org/article/10.3847/1538-4357/ab517f | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 887 | en_US |
dc.relation.issue | 1 | en_US |
dc.relation.firstpage | 37 | en_US |
dc.type.referee | REF_1 | en_US |
dc.relation.scientificsector | FIS/05 - ASTRONOMIA E ASTROFISICA | en_US |
dc.relation.journal | THE ASTROPHYSICAL JOURNAL | en_US |
dc.type.miur | 262 Articolo in rivista | - |
dc.identifier.adsbibcode | 2019ApJ...887...37U | en_US |
dc.description.apc | no | en_US |
dc.description.oa | 1 – prodotto con file in versione Open Access (allegare il file al passo 5-Carica) | en_US |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.openairetype | Article | - |
item.languageiso639-1 | en | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | OAS Bologna | - |
crisitem.author.orcid | 0000-0002-2662-8803 | - |
crisitem.journal.journalissn | 0004-637X | - |
crisitem.journal.ance | E016252 | - |
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