J/PASP/125/2ivo://CDS.VizieR/J/PASP/125/2doi:10.26093/cds/vizier.61250002CDSKeel W.C.Manning A.M.Holwerda B.W.Mezzoprete M.Lintott C.J.,Schawinski K.Gay P.Masters K.L.2025-09-09T14:14:27Z2013-05-19T07:29:13ZCDS support team

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

cds-question@unistra.frgalaxiescatalogsgalaxy-classification-systemsredshiftedAnalysis of galaxies with overlapping images offers a direct way to probe the distribution of dust extinction and its effects on the background light. We present a catalog of 1990 such galaxy pairs selected from the Sloan Digital Sky Survey (SDSS) by volunteers of the Galaxy Zoo project. We highlight subsamples which are particularly useful for retrieving such properties of the dust distribution as UV extinction, the extent perpendicular to the disk plane, and extinction in the inner parts of disks. The sample spans wide ranges of morphology and surface brightness, opening up the possibility of using this technique to address systematic changes in dust extinction or distribution with galaxy type. This sample will form the basis for forthcoming work on the ranges of dust distributions in local disk galaxies, both for their astrophysical implications and as the low-redshift part of a study of the evolution of dust properties. Separate lists and figures show deep overlaps, where the inner regions of the foreground galaxy are backlit, and the relatively small number of previously-known overlapping pairs outside the SDSS DR7 sky coverage.2013PASP..125....2Khttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/PASP/125/2CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toJ/ApJ/711/284 : Galaxy Zoo: AGN host galaxies (Schawinski+, 2010)J/MNRAS/396/818 : Blue early-type galaxies in Galaxy Zoo (Schawinski+, 2009)J/MNRAS/405/783 : Passive red spirals in Galaxy Zoo (Masters+, 2010)J/MNRAS/410/166 : Morphological types from Galaxy Zoo 1 (Lintott+, 2011)J/MNRAS/420/1684 : End of red sequence galaxies in Galaxy Zoo (Wong+, 2012)http://www.galaxyzoo.org : Galaxy Zoo Home Pagehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/PASP/125/2https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/PASP/125/2http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/PASP/125/2https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/PASP/125/2https://vizier.iucaa.in/viz-bin/votable?-source=J/PASP/125/2http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/PASP/125/2GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/PASP/125/2/catalog (Overlapping galaxy pairs)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/PASP/125/2/catalog?https://vizier.iucaa.in/viz-bin/conesearch/J/PASP/125/2/catalog?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/PASP/125/2/catalog?GETtext/xml+votable180.050000true0.02929178.27919440.0055555555555555565/1087 2281 2673 6/134 257 306 377 396 549 555 614 620 626 632 975 1011 1701 2177 2250-2251 2272 2279 2290 2298 4096 4106 4111 4121 4132 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26527-26529 26534 26536 26544 26553 26555 26559 26582 26584 26590 26596 26617 26945 26948 26953 26955 26962 26967 26983 26990 27017 27040 27046 27067-27068 27070 27088 27092 27094 27105 27116 27119-27120 27191 27205 27212 27215 27218 27224 27226 27231 27238 27242 27246 27269 27288 27300 27307 27317 27319 27324 27330 27344 27351 27353 27357 27375 27381 27385 27399-27400 27402 27414 27416 27420 27423 27425 27431 27434 27436 27439 27462-27463 27471-27473 27480 27482 27484 27491 27499 27507 27510 27512 27515-27516 27522 27525 27531-27532 27540-27541 27559-27560 27566 27572 27576 27581 27587 27589 27594 27613-27614 27616-27617 27619-27622 27626 27629 27632 27636 27639 27641 27646 27653 27662 27664 27669 27677 27685 27704 27706 27719 27721 27723 27725-27726 27730-27732 27736 27741 27745 27747 27753-27755 27760 27773 27781-27782 27800 27803 27806 27809 27825 27831 27849 27857 27859-27860 27862 27874 27884 27886 27888 27893 27907 27923 27925 27929 27937-27938 27946 27949 27951 27953 27958 27965-27966 27996 28012 28022 28024-28025 28029 28036 28057 28063 28070 28075 28088 28094-28095 28121 28127 28129 28131 28143-28144 28146-28147 28152 28173 28175 28181-28182 28186 28193 28200 28213 28221 28233 28236 28243 28246-28247 28249 28251 28254-28255 28260 28269 28273 28277 28281 28283 28287-28288 28294-28295 28299-28301 28313-28314 28327 28331 28334 28345-28346 28348 28350 28361-28362 28366-28367 28374-28375 28377 28388-28389 28406 28411 28414 28422 28426 28428 28440-28441 28444 28446-28447 28449 28451 28460 28474 28483-28484 28486 28490 28492 28495 28500 28509 28514 28516-28517 28525-28526 28539 28548 28554 28571 28579 28584 28592 28595 28597 28599-28600 28603 28612 28617 28622 28632 28647-28648 28652 28655 28667 30037 30040 30044 30064 30174 30938 31291 31395 31406-31407 31410 31422 31435 31437 31442 31458 31466 31469 31472 31474 31538 31547 31627 31629 31652 31654 31656 31668 31673 31679 31684 31686-31687 31693-31694 31716 31720 31722 31725 32181 32390 32417 32421 32446-32447 32475 32500-32501 32507-32509 32702 33149 33656 33887 36534 36759 36767 36780 36805 38632 38852 39643 43256 43259 43838 44006 45045-45046 46910 47160 48892 49092 49095 491292.85864675833786e-19 3.5010283109654867e-19https://cdsarc.cds.unistra.fr/viz-bin/moc/J/PASP/125/2?format=asciiOpticaldefaultJ/PASP/125/2/catalogOverlapping galaxy pairsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintSDSSSDSS name of the brighter member of the pair, (JHHMMSS.ss+DDMMSS.s)meta.id;meta.maincharobjID? SDSS identification number (1)meta.idnullablermag1? SDSS model r magnitude of brighter sourcemagphot.mag;em.opt.Rfloatnullablermag2? SDSS model r magnitude of fainter source (2)magphot.mag;em.opt.Rfloatnullablez1? Redshift of brighter sourcesrc.redshiftfloatnullablen_z1Type of brighter source (3)meta.notecharz2? Redshift of fainter sourcesrc.redshiftfloatnullablen_z2Type of fainter source (3)meta.notecharTypePair type indicator (4)meta.codechardz[dz] large redhift difference (3)meta.codecharNamesCross-identification(s)meta.idcharSloanDisplay the SDSS data for this objectmeta.ref.urlcharDR7Details from SDSS-DR7 about the brighter sourcemeta.ref.urlcharDR9SDSS-DR9 sources (galaxies within 30")meta.ref.urlchar_RAPosition, from SDSS name (right ascension part)degpos.eq.ra;meta.main_DEPosition, from SDSS name (declination part)degpos.eq.dec;meta.main