SDSS DR16 compact galaxy groups J/MNRAS/514/1231 ivo://CDS.VizieR/J/MNRAS/514/1231 doi:10.26093/cds/vizier.75141231 CDS Zandivarez A. Diaz-Gimenez E. Taverna A. 2024-08-22T20:15:42Z 2022-09-07T08:58:10Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr galaxies catalogs redshifted astrometry visible-astronomy sloan-photometry Compact groups of galaxies are devised as extreme environments where interactions may drive galaxy evolution. In this work, we analysed whether the luminosities of galaxies inhabiting compact groups differ from those of galaxies in loose galaxy groups. We computed the luminosity functions of galaxy populations inhabiting a new sample of 1412 Hickson-like compact groups of galaxies identified in the Sloan Digital Sky Survey Data Release 16. We observed a characteristic absolute magnitude for galaxies in compact groups brighter than that observed in the field or loose galaxy systems. We also observed a deficiency of faint galaxies in compact groups in comparison with loose systems. Our analysis showed that the brightening is mainly due to galaxies inhabiting the more massive compact groups. In contrast to what is observed in loose systems, where only the luminosities of Red (and Early) galaxies show a dependency with group mass, luminosities of Red and Blue (also Early and Late) galaxies in compact groups are affected similarly as a function of group virial mass. When using Hubble types, we observed that elliptical galaxies in compact groups are the brightest galaxy population, and groups dominated by an elliptical galaxy also display the brightest luminosities in comparison with those dominated by spiral galaxies. Moreover, we show that the general luminosity trends can be reproduced using a mock catalogue obtained from a semi-analytical model of galaxy formation. These results suggest that the inner extreme environment in compact groups prompts a different evolutionary history for their galaxies. 2022MNRAS.514.1231Z https://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/514/1231 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to V/154 : Sloan Digital Sky Surveys (SDSS), Release 16 (DR16) (Ahumada+, 2020) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/514/1231 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/514/1231 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/514/1231 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/MNRAS/514/1231 https://vizier.iucaa.in/viz-bin/votable?-source=J/MNRAS/514/1231 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/MNRAS/514/1231 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/MNRAS/514/1231/tableb1 (Compact galaxy groups identified in SDSS DR16) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/514/1231/tableb1? https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/514/1231/tableb1? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/514/1231/tableb1? GET text/xml+votable 180.0 50000 true 112.006 41.919 0.005555555555555556 Cone search capability for table J/MNRAS/514/1231/tableb2 (Galaxy members of CGs identified in SDSS DR16) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/MNRAS/514/1231/tableb2? https://vizier.iucaa.in/viz-bin/conesearch/J/MNRAS/514/1231/tableb2? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/MNRAS/514/1231/tableb2? 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28271-28273 28276 28278 28281-28282 28286 28290 28295 28299-28301 28305 28320 28322-28323 28326 28335 28345 28360-28361 28366 28368-28369 28376-28377 28379 28390 28392-28393 28402 28404-28406 28408-28409 28411 28414-28415 28417 28420 28425 28427 28435 28440-28441 28444 28471 28474 28476 28478 28482-28484 28492 28495 28506 28515 28517 28523-28524 28529 28538-28539 28545-28546 28548-28549 28552 28554-28555 28578 28586 28591 28597 28599 28606 28609 28611 28614 28617 28623 28625 28629 28645 28647 28649 28652 28654-28655 28663 28667 28670 31291 31333 31336 31354 31372 31378 31381 31392 31402 31406-31407 31411 31414 31419 31422 31430 31435-31437 31439 31455 31457-31458 31473 31483 31485-31486 31528 31530 31547 31631 31645 31647 31656 31658 31668 31672 31686 31693 31699 31713 31717 31722 32408 32458 32481 32483 32486 32489-32492 45045-45047 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/MNRAS/514/1231?format=ascii Optical default J/MNRAS/514/1231/tableb1 Compact galaxy groups identified in SDSS DR16 DEJ2000 Group centre declination (J2000) deg pos.eq.dec;meta.main zmean Group mean CMB redshift src.redshift double zmed Group median CMB redshift src.redshift;pos.heliocentric double thetaG Angular radius of the smallest circumscribed circle arcmin phys.angSize float SuBr-r Group surface brightness in the r-band mag.arcsec**-2 phot.mag.sb;em.opt.R float rmag r-band model magnitude of the group brightest galaxy mag phot.mag;em.opt.R float recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int CGID Compact Group ID meta.id;meta.main int Ng [1/9] Number of galaxy members in the group meta.number int RAJ2000 Group centre right ascension (J2000) deg pos.eq.ra;meta.main Flag [0/1] Flag (1) meta.code.error int
J/MNRAS/514/1231/tableb2 Galaxy members of CGs identified in SDSS DR16 recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int CGID Compact Group ID meta.id.parent int Nm [1/9] Galaxy index within the compact group meta.id int GalID Galaxy ID in SDSS DR16 (objID) meta.id;meta.main RAJ2000 Right ascension (J2000) deg pos.eq.ra;meta.main DEJ2000 Declination (J2000) deg pos.eq.dec;meta.main z Galaxy redshift corrected to the CMB rest-frame src.redshift double rmag r-band model apparent magnitude extinction corrected in the AB system mag phot.mag;em.opt.R float