J/MNRAS/433/2812ivo://CDS.VizieR/J/MNRAS/433/2812doi:10.26093/cds/vizier.74332812CDSKrajnovic D.Karick A.M.Davies R.L.Naab T.Sarzi M.Emsellem E.,Cappellari M.Serra P.De Zeeuw P.T.Scott N.Mcdermid R.M.,Weijmans A.-M.Davis T.A.Alatalo K.Blitz L.Bois M.Bureau M.,Bournaud F.Crocker A.Duc P.-A.Khochfar S.Kuntschner H.,Morganti R.Oosterloo T.Young L.M.2024-07-22T20:13:21Z2014-09-09T12:05:56ZCDS support team

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

cds-question@unistra.frsurveysgalaxiescatalogsgalaxy-classification-systemsWe investigate nuclear light profiles in 135 ATLAS3D galaxies for which the Hubble Space Telescope (HST) imaging is available and compare them to the large-scale kinematics obtained with the SAURON integral-field spectrograph. Specific angular momentum, {lambda}_R_, correlates with the shape of nuclear light profiles, where, as suggested by previous studies, cores are typically found in slow rotators and core-less galaxies are fast rotators. As also shown before, cores are found only in massive galaxies and only in systems with the stellar mass (measured via dynamical models) M>~8x10^10^M_{sun}_. Based on our sample, we, however, see no evidence for a bimodal distribution of nuclear slopes. The best predictor for finding a core is based on the stellar velocity dispersion within an effective radius, {sigma}_e_, and specific angular momentum, where cores are found for {lambda}_R<~0.25 and {sigma}_e_>~160km/s. We estimate that only about 10percent of nearby early-type galaxies contain cores. Furthermore, we show that there is a genuine population of fast rotators with cores. We also show that core fast rotators are morphologically, kinematically and dynamically different from core slow rotators. The cores of fast rotators, however, could harbour black holes of similar masses to those in core slow rotators, but typically more massive than those found in core-less fast rotators. Cores of both fast and slow rotators are made of old stars and found in galaxies typically lacking molecular or atomic gas (with a few exceptions). Core-less galaxies, and especially core-less fast rotators, are underluminous in the diffuse X-ray emission, but the presence of a core does not imply high X-ray luminosities. Additionally, we postulate (as many of these galaxies lack HST imaging) a possible population of core-less galaxies among slow rotators, which cannot be explained as face-on discs, but comprise a genuine sub-population of slow rotators. These galaxies are typically less massive and flatter than core slow rotators, and show evidence for dynamical cold structures and exponential photometric components. Based on our findings, major non-dissipative (gas-poor) mergers together with black hole binary evolution may not be the only path for formation of cores in early-type galaxies. We discuss possible processes for formation of cores and their subsequent preservation.2013MNRAS.433.2812Khttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/433/2812CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/MNRAS/413/813 : ATLAS3D project. I (Cappellari+, 2011)J/MNRAS/414/888 : ATLAS3D project. III (Emsellem+, 2011)J/MNRAS/414/940 : ATLAS3D project. IV (Young+, 2011)J/MNRAS/416/1680 : ATLAS3D project. VII (Cappellari+, 2011)J/MNRAS/446/120 : ATLAS3D project. XXIX (Duc+, 2015)J/MNRAS/448/3484 : ATLAS3D Project. XXX (McDermid+, 2015)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/433/2812https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/433/2812http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/433/2812https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/433/2812https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/433/2812http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/433/2812GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/MNRAS/433/2812/tablec1 (*Fitting parameters for ATLAS3D galaxies.)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/433/2812/tablec1?https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/433/2812/tablec1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/433/2812/tablec1?GETtext/xml+votable180.050000true20.02793.41526940.0055555555555555566/2374 4439 4447 4829 4989 5075 5182 5196 5599 5608 5975 6087 6090 6093 6099 6103 7214 7287 7355 7374 7385 7560 8193 8195-8197 10454 10523 10924 11026 11435 11776 11791 11824 13401 15056 17761 18209 18269 18325 19442 26055 26125 26157 26313 26361-26362 26542 27079 27186 27255 27367 27480 27515 27518 27604 27712-27714 27718-27719 27734-27736 27738-27739 27743 27764-27766 27773-27774 27857 27861 27907-27908 27913-27914 27936 27938 27944 27946 28033 28037-28038 28045 28142 28200 28221 28495 28524 28538 32482 40952https://cdsarc.cds.unistra.fr/viz-bin/moc/J/MNRAS/433/2812?format=asciiOpticaldefaultJ/MNRAS/433/2812/tablec1*Fitting parameters for ATLAS3D galaxies.recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintGalaxyGalaxy namemeta.id;meta.maincharf_Galaxy[+d] Flag (1)meta.codecharSrcSource (2)meta.ref;pos.framecharClass[clp] Class code (3)meta.code.classcharFilterFilter of images analysed in this work (F475W, F555W, F606W, F702W, or F814W)meta.id;instr.filtercharthetaNuker fit parameter {Theta} (5)arcsecstat.fit.paramfloatmuNuker fit parameter {mu} (5)stat.fit.paramfloatalphaNuker fit parameter {alpha} (5)stat.fit.paramfloatbetaNuker fit parameter {beta} (5)stat.fit.param;meta.modelledfloatgammaNuker fit parameter {gamma} (5)stat.fit.paramfloatgamma'Nuker fit parameter {gamma}' (5)stat.fit.paramfloatrms? root-mean-square of Nuker-law fits done in this work (5)stat.errorfloatnullablel_rgLimit flag on Rgammameta.code.errorcharrgCusp radius (r_{gamma}_) (5)arcsecphys.angSize;srcfloatl_RgLimit flag on Rgmeta.code.errorcharRgCusp radius (r_{gamma}_) in pcpcphys.size.radiusfloatR/F[F/S] Classification into fast (F) or slow (S) rotators, from Paper IIImeta.codecharGrkinematic group from Paper II (4)meta.idcharSimbadSimbad column added by the CDSmeta.ref.urlchar_RARight Ascension (J2000) from SIMBAD (not part of the original data)degpos.eq.ra;meta.main_DEDeclination (J2000) from SIMBAD (not part of the original data)degpos.eq.dec;meta.main