Outflows in sodium excess objects J/ApJ/809/91 ivo://CDS.VizieR/J/ApJ/809/91 doi:10.26093/cds/vizier.18090091 CDS Park J. Jeong H. Yi S.K. 2019-02-04T12:12:25Z 2016-01-13T08:37:33Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr chemical-abundances galaxies spectroscopy visible-astronomy sloan-photometry galaxy-classification-systems redshifted Van Dokkum and Conroy (2010Natur.468..940V) revisited the unexpectedly strong NaI lines at 8200{AA} found in some giant elliptical galaxies and interpreted them as evidence for an unusually bottom-heavy initial mass function. Jeong et al. (2013, J/ApJS/208/7) later found a large population of galaxies showing equally extraordinary Na D doublet absorption lines at 5900{AA} (Na D excess objects: NEOs) and showed that their origins can be different for different types of galaxies. While a Na D excess seems to be related to the interstellar medium (ISM) in late-type galaxies, smooth-looking early-type NEOs show little or no dust extinction and hence no compelling signs of ISM contributions. To further test this finding, we measured the Doppler components in the Na D lines. We hypothesized that the ISM would have a better (albeit not definite) chance of showing a blueshift Doppler departure from the bulk of the stellar population due to outflow caused by either star formation or AGN activities. Many of the late-type NEOs clearly show blueshift in their Na D lines, which is consistent with the former interpretation that the Na D excess found in them is related to gas outflow caused by star formation. On the contrary, smooth-looking early-type NEOs do not show any notable Doppler components, which is also consistent with the interpretation of Jeong et al. that the Na D excess in early-type NEOs is likely not related to ISM activities but is purely stellar in origin. 2015ApJ...809...91P https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/809/91 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to II/294 : The SDSS Photometric Catalog, Release 7 (Adelman-McCarthy+, 2009) J/MNRAS/451/634 : ExoMol line lists for NaH and NaD (Rivlin+, 2015) J/ApJS/208/7 : Sodium excess objects. I. SDSS-DR7 (Jeong+, 2013) J/ApJS/94/687 : Old stellar populations. V. (Worthey+, 1994) http://www.sdss.org/ : SDSS home page https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/809/91 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/809/91 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/809/91 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/809/91 https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/809/91 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/809/91 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/ApJ/809/91/table1 (The catalog of Na D excess objects; from the erratum published in 2018, ApJ, 869, 88) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/809/91/table1? https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/809/91/table1? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/809/91/table1? 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28642 28654 28655 28658 28661 30039 30044 31339 31358 31369 31373 31377 31382 31397 31407 31409 31418 31421 31423 31436 31439 31446 31447 31455 31458 31459 31463 31468 31469 31473 31474 31480 31486 31487 31534 31546 31619 31644 31648 31654 31658 31666 31667 31668 31670 31673 31675 31677 31681 31683 31686 31692 31693 31699 31704 31713 31717 31718 31722 31723 32403 32407 32427 32432 32446 32456 32458 32480 32486 32492 32511 32680 32684 36725 36728 36729 36733 36766 36767 36780 36792 36805 45039 45046 48989 49085 49120 49128 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/809/91?format=ascii Optical default J/ApJ/809/91/table1 The catalog of Na D excess objects; from the erratum published in 2018, ApJ, 869, 88 SDSS SDSS-DR7 IAU name (JHHMMSS.ss+DDMMSS.s) meta.id;meta.main char recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int ObjID SDSS-DR7 object identifier meta.id RAJ2000 Hour of Right Ascension (J2000) pos.eq.ra;meta.main DEJ2000 Degree of Declination (J2000) pos.eq.dec;meta.main z [0.007/0.08] Redshift src.redshift float rMag [-23.7/-20.7] SDSS absolute r band magnitude mag phys.magAbs;em.opt.R float u-r [1.2/6.9] SDSS (u-r) color index mag phot.color;em.opt.U;em.opt.R float fNaD [0/4.3] NaD excess index spect.index float NaD [2/9.8] Observed NaD line strength; Angstroms (1) 0.1nm spect.line.intensity float fMgb [-0.6/44.4] Mgb excess index spect.index float Mgb [0.6/170] Observed Mgb line strength; Angstroms (1) 0.1nm spect.line.intensity float fFe [-0.8/1.8] Fe5270 excess index spect.index float Fe [0.4/5.5] Observed Fe5270 line strength; Angstroms (1) 0.1nm spect.line.intensity float fHb [-0.6/0.4] H{beta} excess index spect.index float Hb [0.9/5] Observed H{beta} line strength; Angstroms (1) 0.1nm spect.line.intensity;em.line.Hbeta float Morph Morphology (2) meta.code;src.morph char Class BPT class; emission line classification (3) src.class char a1 [0.1/0.6] Most probable value of a1 (4) stat.value float a2 [0.08/0.6] Most probable value of a2 (4) stat.value float mu1 [5887.5/5895.2] Most probable value of mu1; Angstroms (4) 0.1nm stat.fit.param float mu2 [5892.8/5901.6] Most probable value of mu2; Angstroms (4) 0.1nm stat.fit.param float sig [0.8/5.5] Most probable value of sigma (Standard deviation of Gaussian component; Angstroms) 0.1nm stat.stdev;stat.value float gam [0.5/3.7] Most probable value of gamma (5) stat.fit.param float chi2 [0.1/711] Reduced chi-square stat.fit.chi2 float Set [CN] Sample (N: NEO or C: Control) src.sample char J13 Display data from Jeong+, 2013, J/ApJS/208/7, if any meta.ref.url int nullable Simbad Simbad column added by the CDS meta.ref.url char NED NED column added by the CDS meta.ref.url char