J/A+A/551/A82ivo://CDS.VizieR/J/A+A/551/A82doi:10.26093/cds/vizier.35510082CDSStasinska G.Morisset C.Simon-Diaz S.Bresolin F.Schaerer D.,Brandl B.2013-11-02T14:15:41Z2013-10-15T14:50:26ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frh-ii-regionsspectroscopyWhile collisionally excited lines in HII regions allow one to easily probe the chemical composition of the interstellar medium in galaxies, the possible presence of important temperature fluctuations casts some doubt on the derived abundances. To provide new insights into this question, we have carried out a detailed study of a giant HII region, H1013, located in the galaxy M101, for which many observational data exist and which has been claimed to harbour temperature temperature fluctuations at a level of t^2^=0.03-0.06.2013A&A...551A..82Shttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/551/A82CatalogResearchIsServedByTAP VizieR generic servicerelated-toJ/A+A/391/809 : HII regions in NGC 5457 and NGC 4395 (Cedres+, 2002)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/551/A82https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/551/A82http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/551/A82https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/551/A82https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/551/A82http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/551/A82GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapOpticaldefaultJ/A+A/551/A82/table3Observed line ratios in H 1013 compared to the results of models M1 and M2RefReferences (2)meta.refcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintLineLine designationmeta.id;spect.linen_Line[+] multiplet sum (1)meta.notecharObsObserved line intensity (3)spect.line.intensityfloate_Obs? rms uncertainty on Obs (3)stat.errorfloatnullableModM1Model M1 line intensity (3)spect.line.intensityfloatModM2Model M2 line intensity (3)spect.line.intensityfloat