J/A+A/593/A40ivo://CDS.VizieR/J/A+A/593/A40doi:10.26093/cds/vizier.35930040CDSVudragovic A.Samurovic S.Jovanovic M.2018-07-02T14:55:04Z2016-09-08T08:00:14ZCDS support team

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

cds-question@unistra.frsurveysgalaxiesspectroscopygalaxy-classification-systemsWe present the largest catalog of detailed stellar kinematics of the central parts of nearby galaxies, which includes higher moments of the line-of-sight velocity distribution (LOSVD) function represented by the Gauss-Hermite series. The kinematics is measured on a sample of galaxies selected from the Arecibo Legacy Fast ALFA (Alfalfa) survey using spectroscopy from the Sloan Digital Sky Survey (SDSS DR7). The SDSS DR7 offers measurements of the LOSVD based on the assumption of a pure Gaussian shape of the broadening function caused by the combination of rotational and random motion of the stars in galaxies. We discuss the consequences of this oversimplification since the velocity dispersion, one of the measured quantities, often serves as the proxy to important modeling parameters such as the black-hole mass and the virial mass of galaxies. The publicly available pPXF code is used to calculate the full kinematical profile for the sample galaxies including higher moments of their LOSVD. Both observed and synthetic stellar libraries were used and the related template mismatch problem is discussed. For the whole sample of 2180 nearby galaxies reflecting morphological distribution characteristic for the local Universe, we successfully recovered stellar kinematics of their central parts, including higher order moments of the LOSVD function, for signal-to-noise above 50.2016A&A...593A..40Vhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/593/A40CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/AJ/142/170 : ALFALFA survey: the alpha.40 HI source catalog (Haynes+, 2011)J/A+A/525/A157 : SDSS automated morphology 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28458-28460 28463-28466 28468-28469 28471-28472 28474-28475 28482 28485-28487 28489 28491-28492 28496 28512 28546-28548 28550-28552 28554-28555 28560-28561 28576 31359 31423 31445-31447 31449 31451 31454-31455 31468-31470 31472-31474 31476-31478 31481-31483 31485 31487 31530 31620 31622 31625 31636-31637 31641 31643 31646 31649-31650 31653 31656 31658 31660-31662 31669-31671 31673-31675 31677-31679 31683 31689 31694 31712-31713 31715 31718 31720 31722-31723 31729-31731https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/593/A40?format=asciiOpticaldefaultJ/A+A/593/A40/catalogKinematics of a Alfalfa galaxiesSimbadNameSimbad column added by the CDSmeta.idcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintALFASource ID as in Haynes et al. (2011, Cat. J/AJ/142/170), UGC/AGC numbermeta.id;meta.maincharRAJ2000Right ascension (J2000)degpos.eq.ra;meta.mainDEJ2000Declination (J2000)degpos.eq.dec;meta.mainGALEXUnique ID from GALEX GR6meta.idpSDSSUnique photometric ID from SDSS DR7meta.idsSDSSUnique spectroscopic ID from SDSS DR7meta.id2MASSUnique ID from 2MASS (HHMMSSss+DDMMSSs)meta.idcharzRedshift from the SDSS DR7src.redshiftdoubleS/NSignal-to-noise ratio of the spectrastat.snrfloatVempEmpirical velocity dispersion (1)km/sphys.veloc.dispersionfloate_VempEmpirical velocity dispersion errorkm/sstat.errorfloath3empEmpirical h3 coefficientstat.fit.paramfloate_h3empEmpirical h3 coefficient errorstat.errorfloath4empEmpirical h4 coefficientstat.fit.paramfloate_h4empEmpirical h4 coefficient errorstat.errorfloatVcempEmpirical corrected velocity dispersion (2)km/sphys.veloc.dispersionfloate_VcempEmpirical corrected velocity dispersion errorkm/sstat.errorfloatV2empEmpirical Gaussian velocity dispersion (3)km/sphys.veloc.dispersionfloate_V2empEmpirical Gaussian velocity dispersion errorkm/sstat.errorfloatVsyntSynthetic velocity dispersion (4)km/sphys.veloc.dispersionfloate_VsyntSynthetic velocity dispersion errorkm/sstat.errorfloath3syntSynthetic h3 coefficientstat.fit.paramfloate_h3syntSynthetic h3 coefficient errorstat.errorfloath4syntSynthetic h4 coefficientstat.fit.paramfloate_h4syntSynthetic h4 coefficient errorstat.errorfloatVcsyntSynthetic corrected velocity dispersion (5)km/sphys.veloc.dispersionfloate_VcsyntSynthetic corrected velocity dispersion errorkm/sstat.errorfloatV2syntSynthetic Gaussian velocity dispersion (6)km/sphys.veloc.dispersionfloate_V2syntSynthetic Gaussian velocity dispersion errorkm/sstat.errorfloatpEProbability of being an elliptical galaxystat.fit.goodnessdoublepS0Probability of being a lenticular galaxystat.fit.goodnessdoublepSabProbability of being a spiral Sab galaxystat.fit.goodnessdoublepScdProbability of being a spiral Scd galaxystat.fit.goodnessdoubleSloanDisplay the online SDSS data for the nearest objectmeta.ref.urlcharNEDNED column added by the CDSmeta.ref.urlchar