Central galaxies in groups and clusters J/MNRAS/398/1129 ivo://CDS.VizieR/J/MNRAS/398/1129 doi:10.26093/cds/vizier.73981129 CDS Guo Y. McIntosh D.H. Mo H.J. Katz N. van den Bosch F.C. Weinberg M.,Weinmann S.M. Pasquali A. Yang X. 2024-07-09T20:15:36Z 2010-03-29T13:09:47Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr galaxy-clusters galaxy-classification-systems apparent-magnitude Using a statistically representative sample of 911 central galaxies (CENs) from the Sloan Digital Sky Survey (SDSS) Data Release 4 group catalogue, we study how the structure (shape and size) of the first rank (by stellar mass) group and cluster members depends on (1) galaxy stellar mass (M_star_), (2) the global environment defined by the dark matter halo mass (M_halo_) of the host group and (3) the local environment defined by their special halocentric position. We quantify the structure of SDSS galaxies with a galfit-based pipeline that fits two-dimensional Sersic models to the r-band image data. Through tests with simulated and real galaxy images, we demonstrate that our pipeline can recover Sersic parameters without significant bias. Moreover, to test the impact of local environment on CENs, we compare the structure of CENs with that satellite galaxies (SATs) of comparable M_star_. 2009MNRAS.398.1129G https://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/398/1129 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to II/267 : The SDSS Photometric Catalog, Release 4 (Adelman-McCarthy+, 2006) 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/MNRAS/398/1129 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/398/1129 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/398/1129 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/398/1129 https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/398/1129 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/398/1129 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/MNRAS/398/1129/samples (Parameters of the galaxies in the 3 samples CEN, SAT-S1 and SAT-S2) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/398/1129/samples? https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/398/1129/samples? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/398/1129/samples? GET text/xml+votable 180.0 50000 true 32.7409 -0.39014 0.005555555555555556 5/1407 1443 1463 1500 1521 1553 2052 2270 2344 2366-2367 2477 2811 4504 6510 6917 6/523 526 550 554 4096 4103 4105 4115 4121 4130 4132-4134 4137 4145-4146 4156-4157 4160 4164 4170-4171 4183-4184 4193 4229 4239 4241 4243-4244 4258 4353-4354 4358 4361 4769 4772 4786 4797 4835 4846-4847 4859 4974 4988 5004-5005 5007 5011 5013 5016-5017 5019 5023 5030-5031 5037 5039-5042 5053 5061-5063 5065-5066 5072 5083 5086 5090 5096-5097 5099-5100 5106 5359 5363 5370-5371 5373-5374 5437-5439 5469-5471 5476 5478 5480 5484 5490 5492-5493 5502 5514-5515 5521-5522 5524 5526 5532-5533 5535 5537 5541-5542 5545 5549 5555 5557 5559 5564-5565 5582 5588-5589 5592 5597 5601 5603 5607 5615-5616 5618 5623 5626 5655 5660-5661 5666 5672 5676 5681 5699 5701 5713 5724-5726 5731 5735 5737 5743-5744 5752 5759 5782 5785 5808 5817 5825-5827 5829 5883 5891 5895 5897 5909 5913 5917-5918 5923 5929-5930 5951 5959-5960 5963-5964 5966-5967 5972 5974-5975 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27535-27536 27538 27540-27541 27544 27548 27552 27559-27560 27565 27570-27571 27573-27575 27577 27581 27586 27590 27595 27616-27617 27620 27648 27650-27652 27654 27658-27659 27662 27665 27676 27678 27683-27686 27692 27696 27723 27736 27743 27750 27752-27753 27757 27761 27769-27771 27791 27797 27802-27803 27808 27825 27829-27830 27840-27842 27850 27853 27857 27872 28161-28162 28169 31147 31330 31333 31336 31354 31367 31372 31377 31387 31404 31406-31407 31418 31422 31435 31452 31458 31472 31656 32410 32444-32445 32447 36732-36733 36766 36785 36788 36802 36808 45047 45049 49014 49086 49091-49092 49095 49099 49123 49130 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/MNRAS/398/1129?format=ascii Optical default J/MNRAS/398/1129/samples Parameters of the galaxies in the 3 samples CEN, SAT-S1 and SAT-S2 z Redshift src.redshift double b/a Axis ratio phys.angSize;arith.ratio float recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int Sam Sample (CEN, S1 or S3) meta.id char Gal Galaxy ID number (1) meta.id;meta.main int RAJ2000 Right ascension in decimal degrees (J2000) deg pos.eq.ra;meta.main DEJ2000 Declination in decimal degrees (J2000) deg pos.eq.dec;meta.main mag Apparent total magnitude mag phot.mag float a50 Semimajor axis pix phys.angSize;src float n Sersic index stat.fit.param float PA [-180/180] Position angle deg pos.posAng float Sky SDSS global sky background (in unit of ADU) used in image fitting meta.note float chi2v Reduced chi^2^ of the best-fitting model stat.fit.chi2 float MAG Absolute magnitude (2) mag phys.magAbs float Mstar Stellar mass (in h^-2^*solMass unit) log(solMass) meta.unit;phys.mass float rhl Half-light radius (in h^-1^*kpc unit) kpc meta.unit;phys.size.radius float g-r g−r colour index corrected to z=0.1 mag phot.color;em.opt.B;em.opt.R float Mhalo Host halo mass of the galaxy in (h^-2^*solMass unit) log(solMass) phys.mass float TT [-1/1] Visual type of galaxy: 0=late-type, 1=early-type, -1=peculiar meta.note int Sloan Display the SDSS data: DR4 (2006) and DR7 (2009) meta.ref.url char