Please use this identifier to cite or link to this item:
http://hdl.handle.net/20.500.12386/23332
DC Field | Value | Language |
---|---|---|
dc.contributor.author | OLIVA, Ernesto | en_US |
dc.contributor.author | ORIGLIA, Livia | en_US |
dc.contributor.author | SCUDERI, Salvatore | en_US |
dc.contributor.author | BENATTI, SERENA | en_US |
dc.contributor.author | Carleo, I. | en_US |
dc.contributor.author | Lapenna, E. | en_US |
dc.contributor.author | Mucciarelli, A. | en_US |
dc.contributor.author | BAFFA, Carlo | en_US |
dc.contributor.author | BILIOTTI, Valdemaro | en_US |
dc.contributor.author | CARBONARO, LUCA | en_US |
dc.contributor.author | FALCINI, Gilberto | en_US |
dc.contributor.author | GIANI, Elisabetta | en_US |
dc.contributor.author | Iuzzolino, M. | en_US |
dc.contributor.author | MASSI, Fabrizio | en_US |
dc.contributor.author | SANNA, Nicoletta | en_US |
dc.contributor.author | Sozzi, M. | en_US |
dc.contributor.author | TOZZI, Andrea | en_US |
dc.contributor.author | Ghedina, A. | en_US |
dc.contributor.author | Ghinassi, F. | en_US |
dc.contributor.author | Lodi, M. | en_US |
dc.contributor.author | Harutyunyan, A. | en_US |
dc.contributor.author | Pedani, M. | en_US |
dc.date.accessioned | 2020-03-17T15:59:02Z | - |
dc.date.available | 2020-03-17T15:59:02Z | - |
dc.date.issued | 2015 | en_US |
dc.identifier.issn | 0004-6361 | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/23332 | - |
dc.description | Part of this work was supported by the grants “TECNO-INAF-2011” and “Premiale-INAF-2012”. | - |
dc.description.abstract | <BR /> Aims: Determining the intensity of lines and continuum airglow emission in the H-band is important for the design of faint-object infrared spectrographs. Existing spectra at low or medium resolution cannot disentangle the true sky continuum from instrumental effects (e.g. diffuse light in the wings of strong lines). We aim to obtain, for the first time, a high-resolution infrared spectrum that is deep enough to set significant constraints on the continuum emission between the lines in the H-band. <BR /> Methods: During the second commissioning run of the GIANO high-resolution infrared spectrograph at La Palma Observatory, we pointed the instrument directly at the sky and obtained a deep spectrum that extends from 0.97 to 2.4 μm. <BR /> Results: The spectrum shows about 1500 emission lines, a factor of two more than in previous works. Of these, 80% are identified as OH transitions; half of these are from highly excited molecules (hot-OH component) that are not included in the OH airglow emission models normally used for astronomical applications. The other lines are attributable to O<SUB>2</SUB> or unidentified. Several of the faint lines are in spectral regions that were previously believed to be free of line emission. The continuum in the H-band is marginally detected at a level of about 300 photons/m<SUP>2</SUP>/s/arcsec<SUP>2</SUP>/μm, equivalent to 20.1 AB-mag/arcsec<SUP>2</SUP>. The observed spectrum and the list of observed sky lines are published at the CDS. <BR /> Conclusions: Our measurements indicate that the sky continuum in the H-band could be even darker than previously believed. However, the myriad of airglow emission lines severely limits the spectral ranges where very low background can be effectively achieved with low- or medium-resolution spectrographs. We identify a few spectral bands that could still remain quite dark at the resolving power foreseen for VLT-MOONS (R ≃ 6600). <P />Tables 1, 2, and 4 are only available at the CDS via anonymous ftp to <A href="http://cdsarc.u-strasbg.fr">http://cdsarc.u-strasbg.fr</A> (ftp://130.79.128.5) or via <A href="http://cdsarc.u-strasbg.fr/viz-bin/qcat?J/A+A/581/A47">http://cdsarc.u-strasbg.fr/viz-bin/qcat?J/A+A/581/A47</A> | en_US |
dc.language.iso | eng | en_US |
dc.title | Lines and continuum sky emission in the near infrared: observational constraints from deep high spectral resolution spectra with GIANO-TNG | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.1051/0004-6361/201526291 | en_US |
dc.identifier.scopus | 2-s2.0-84940995680 | en_US |
dc.identifier.isi | 000361803900047 | en_US |
dc.identifier.url | http://arxiv.org/abs/1506.09004v1 | en_US |
dc.identifier.url | https://www.aanda.org/articles/aa/abs/2015/09/aa26291-15/aa26291-15.html | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 581 | en_US |
dc.relation.firstpage | A47 | en_US |
dc.type.referee | REF_1 | en_US |
dc.description.international | sì | en_US |
dc.relation.scientificsector | FIS/05 - ASTRONOMIA E ASTROFISICA | en_US |
dc.relation.journal | ASTRONOMY & ASTROPHYSICS | en_US |
dc.type.miur | 262 Articolo in rivista | - |
dc.identifier.adsbibcode | 2015A&A...581A..47O | en_US |
dc.description.apc | no | en_US |
dc.description.oa | 1 – prodotto con file in versione Open Access (allegherò 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 | O.A. Arcetri | - |
crisitem.author.dept | OAS Bologna | - |
crisitem.author.dept | IASF Milano | - |
crisitem.author.dept | O.A. Palermo | - |
crisitem.author.dept | O.A. Arcetri | - |
crisitem.author.dept | O.A. Arcetri | - |
crisitem.author.dept | O.A. Arcetri | - |
crisitem.author.dept | O.A. Arcetri | - |
crisitem.author.dept | O.A. Arcetri | - |
crisitem.author.dept | O.A. Arcetri | - |
crisitem.author.dept | O.A. Arcetri | - |
crisitem.author.orcid | 0000-0002-9123-0412 | - |
crisitem.author.orcid | 0000-0002-6040-5849 | - |
crisitem.author.orcid | 0000-0002-8637-2109 | - |
crisitem.author.orcid | 0000-0002-4638-3495 | - |
crisitem.author.orcid | 0000-0002-4935-100X | - |
crisitem.author.orcid | 0000-0002-9825-7407 | - |
crisitem.author.orcid | 0000-0003-1492-1591 | - |
crisitem.author.orcid | 0000-0003-2763-9560 | - |
crisitem.author.orcid | 0000-0001-6407-8032 | - |
crisitem.author.orcid | 0000-0001-9275-9492 | - |
crisitem.author.orcid | 0000-0002-6725-3825 | - |
crisitem.journal.journalissn | 0004-6361 | - |
crisitem.journal.ance | E016240 | - |
Appears in Collections: | 1.01 Articoli in rivista |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
aa26291-15.pdf | 1.74 MB | Adobe PDF | View/Open |
Page view(s)
67
checked on Apr 25, 2024
Download(s)
20
checked on Apr 25, 2024
Google ScholarTM
Check
Altmetric
Altmetric
Items in DSpace are published in Open Access, unless otherwise indicated.