J/ApJ/928/126ivo://CDS.VizieR/J/ApJ/928/126doi:10.26093/cds/vizier.19280126CDSStraatman C.M.S.van der Wel A.van Houdt J.Bezanson R.Bell E.F.,van Dokkum P.D'Eugenio F.Franx M.Gallazzi A.de Graaff A.,Maseda M.Meidt S.E.Muzzin A.Sobral D.Wu P.-F.2024-11-06T20:24:12Z2024-03-19T12:08:10ZCDS support team

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

cds-question@unistra.frgalaxiesspectroscopyphotometrysurveysgalaxy-kinematicsgalaxy-radiivisible-astronomyWe compare dynamical mass estimates based on spatially extended stellar and ionized gas kinematics (M_dyn,*_ and M_dyn,eml_, respectively) of 157 star-forming galaxies at 0.6<=z<1. Compared with z~0, these galaxies have enhanced star formation rates, with stellar feedback likely affecting the dynamics of the gas. We use LEGA-C DR3, the highest-redshift data set that provides sufficiently deep measurements of a Ks-band limited sample. For M_dyn,*_, we use Jeans anisotropic multi-Gaussian expansion models. For M_dyn,eml_, we first fit a custom model of a rotating exponential disk with uniform dispersion, whose light is projected through a slit and corrected for beam smearing. We then apply an asymmetric drift correction based on assumptions common in the literature to the fitted kinematic components to obtain the circular velocity, assuming hydrostatic equilibrium. Within the half-light radius, Mdyn,eml is on average lower than M_dyn,*_, with a mean offset of -0.15+/-0.016dex and galaxy-to-galaxy scatter of 0.19dex, reflecting the combined random uncertainty. While data of higher spatial resolution are needed to understand this small offset, it supports the assumption that the galaxy-wide ionized gas kinematics do not predominantly originate from disruptive events such as star formation-driven outflows. However, a similar agreement can be obtained without modeling from the integrated emission line dispersions for axis ratios q<0.8. This suggests that our current understanding of gas kinematics is not sufficient to efficiently apply asymmetric drift corrections to improve dynamical mass estimates compared with observations lacking the signal-to-noise ratio required for spatially extended dynamics.2022ApJ...928..126Shttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/928/126CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toII/284 : COSMOS Multi-Wavelength Photometry Catalog (Capak+, 2007)II/373 : The fourth UltraVISTA data release (DR4) (Moneti+, 2019)J/A+A/424/447 : Kinematics in 17 nearby spiral galaxies (Pizzella+, 2004)J/ApJ/653/1027 : TKRS/GOODS-N Field galaxies (Weiner+, 2006)J/AJ/134/945 : Tully-Fisher relation for SDSS galaxies (Pizagno+, 2007)J/MNRAS/401/2113 : GHASP: H{alpha} data cubes for 153 galaxies (Epinat+, 2010)J/ApJ/741/115 : Deep spectroscopy in the GOODS fields (Miller+, 2011)J/A+A/544/A156 : UltraVISTA Catalogue Release DR1 (McCracken+, 2012)J/ApJS/206/8 : COSMOS/UltraVISTA Ks-selected catalogs v4.1 (Muzzin+, 2013)J/A+A/564/A125 : AGN Torus model comparison of AGN in CDFS (Buchner+, 2014)J/MNRAS/437/1070 : DYNAMO. H{alpha} luminous galaxies sample (Green+, 2014)J/MNRAS/467/1965 : KMOS Redshift One Spectroscopic Survey (Harrison+, 2017)J/ApJ/842/121 : Tully-Fisher relation with KMOS^3D^ (Ubler+, 2017)J/ApJ/858/60 : z~0.8 quiescent gal. kinematic from LEGA-C (Bezanson+, 2018)J/MNRAS/474/5076 : KMOS Redshift One Spectroscopic Survey (Johnson+, 2018)J/ApJS/239/27 : LEGA-C DR2: galaxies in the COSMOS field (Straatman+, 2018)J/ApJ/886/124 : Completed KMOS^3D^ survey NIR obs. (Wisnioski+, 2019)J/ApJS/256/44 : LEGA-C DR3: sp. of 0.6<z<1 gal. (van der Wel+, 2021)J/ApJ/913/103 : SED modelling of LEGA-C+HST massive gal. (de Graaff+, 2021)J/ApJ/923/11 : Stellar kinematics of LEGA-C galaxies (van Houdt+, 2021)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/928/126https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/928/126http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/928/126https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/928/126https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/928/126http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/928/126GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/928/126/table1 (Emission-line dynamic quantities)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/928/126/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/928/126/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/928/126/table1?GETtext/xml+votable180.050000true150.163531.780638890.0055555555555555565/6814 6/27247https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/928/126?format=asciiOpticaldefaultJ/ApJ/928/126/table1Emission-line dynamic quantitiesSimbadSimbad column added by the CDSmeta.ref.urlcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSet[1/4] Sample (1)src.sampleint[MMS2013][10462/260092] Identifier from Muzzin+ 2013, J/ApJ/777/18meta.id;meta.mainintRe[0.6/2.5] Radial extentarcsecphys.angSize;srcfloatvrot-Re[24.6/485.3] Rotational velocity at Rekm/sphys.veloc.rotatfloatf_vrot-ReFlag on f_vrot-Re (2)meta.code;phys.veloc.rotatchare_vrot-Re[1/153.4] Uncertainty in vrot-Rekm/sstat.error;phys.veloc.rotatfloatvrot-2Re[25.9/506.3] Rotational velocity at 2*Rekm/sphys.veloc.rotatfloatf_vrot-2ReFlag on f_vrot-2Re (2)meta.code;phys.veloc.rotatchare_vrot-2Re[1/170.7] Uncertainty in vrot-2Rekm/sstat.error;phys.veloc.rotatfloatsigma0[9.5/353.4] Isotropic velocity dispersionkm/sphys.veloc.dispersionfloate_sigma0[0.4/75.4] Uncertainty in sigma0km/sstat.error;phys.veloc.dispersionfloatlogMdyn-Re[9.9/11.7] log, dynamical mass inside Relog(solMass)phys.massfloatf_logMdyn-ReFlag on f_logMdyn-Re (2)meta.code;phys.masschare_logMdyn-Re[0.05/0.5] Uncertainty in logMdyn-Relog(solMass)stat.error;phys.massfloatlogMdyn-2Re[10.4/12.1] log, dynamical mass inside 2*Relog(solMass)phys.massfloatf_logMdyn-2ReFlag on f_logMdyn-2Re (2)meta.code;phys.masschare_logMdyn-2Re[0.05/0.6] Uncertainty in logMdyn-2Relog(solMass)stat.error;phys.massfloat_RAPositions from LEGA-C DR3 (van der Wel+ 2021, J/ApJS/256/44) (right ascension part)degpos.eq.ra;meta.main_DEPositions from LEGA-C DR3 (van der Wel+ 2021, J/ApJS/256/44) (declination part)degpos.eq.dec;meta.main