J/A+A/604/A101ivo://CDS.VizieR/J/A+A/604/A101doi:10.26093/cds/vizier.36040101CDSCresci GVanzi L.Telles E.Lanzuisi G.Brusa M.Mingozzi M.,Sauvage M.Johnson K.2017-09-06T12:58:33Z2017-08-18T10:14:35ZCDS support team

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

cds-question@unistra.frgalaxiesspectroscopyinfrared-astronomyWe study the physical and dynamical properties of the ionized gas in the prototypical HII galaxy Henize 2-10 using MUSE integral field spectroscopy. The large-scale dynamics are dominated by extended outflowing bubbles that are probably the result of massive gas ejection from the central star forming regions. We derived a mass outflow rate dM_out_/dt~0.30M_{sun}_/yr, corresponding to mass loading factor {eta}~0.4, in the range of similar measurements in local LIRGs. Such a massive outflow has a total kinetic energy that is sustainable by the stellar winds and supernova remnants expected in the galaxy. We studied the dust extinction, electron density, and ionization conditions all across the galaxy with a classical emission line diagnostic, confirming the extreme nature of the highly star forming knots in the core of the galaxy, which show high density and high ionization parameters. We measured the gas-phase metallicity in the galaxy, taking the strong variation of the ionization parameter into account, and found that the external parts of the galaxy have abundances as low as 12+log(O/H)~8.3, while the central star forming knots are highly enriched with super solar metallicity. We found no sign of AGN ionization in the galaxy, despite the recent claim of the presence of a supermassive active black hole in the core of He 2-10. We therefore reanalyzed the X-ray data that were used to propose the presence of the AGN, but we concluded that the observed X-ray emission can be better explained with sources of a different nature, such as a supernova remnant.2017A&A...604A.101Chttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/604/A101CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/604/A101https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/604/A101http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/604/A101https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/604/A101https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/604/A101http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/604/A101GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/604/A101/list (Information of fits datacube)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/604/A101/list?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/604/A101/list?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/604/A101/list?GETtext/xml+votable180.050000true129.06294-26.409680.0055555555555555566/40124https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/604/A101?format=asciiInfrareddefaultJ/A+A/604/A101/listInformation of fits datacubeDEJ2000Declination of center (J2000)degpos.eq.dec;meta.mainrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintRAJ2000Right Ascension of center (J2000)degpos.eq.ra;meta.mainscaleScale of the imagearcsec/pixinstr.scalefloatNxNumber of pixels along X-axismeta.numberintNyNumber of pixels along Y-axismeta.numberintNzNumber of pixels along Z-axismeta.numberintblambdaLower value of wavelength interval0.1nmem.wlfloatBlambdaUpper value of wavelength interval0.1nmem.wlfloatdlambdaWavelength resolution0.1nmspect.resolutionfloatsizeSize of FITS fileKibytephys.size;meta.fitsintFileNameName of FITS filemeta.id;meta.fitscharTitleTitle of the FITS filemeta.title;meta.fitschar