J/ApJ/859/11ivo://CDS.VizieR/J/ApJ/859/11doi:10.26093/cds/vizier/ba-tv-bCDSSalim S.Boquien M.Lee J.C.2026-03-20T09:54:51Z2026-03-19T08:25:38ZCDS support team

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

cds-question@unistra.frgalaxiescatalogsextinctionultraviolet-astronomyvisible-astronomyspectroscopyinfrared-sourcessurveysspectral-energy-distributionredshiftedWe study the dust attenuation curves of 230,000 individual galaxies in the local universe, ranging from quiescent to intensely star-forming systems, using GALEX, SDSS, and WISE photometry calibrated on the Herschel ATLAS. We use a new method of constraining SED fits with infrared luminosity (SED+LIR fitting), and parameterized attenuation curves determined with the CIGALE SED-fitting code. Attenuation curve slopes and UV bump strengths are reasonably well constrained independently from one another. We find that A_{lambda}_/A_V_ attenuation curves exhibit a very wide range of slopes that are on average as steep as the curve slope of the Small Magellanic Cloud (SMC). The slope is a strong function of optical opacity. Opaque galaxies have shallower curves --in agreement with recent radiative transfer models. The dependence of slopes on the opacity produces an apparent dependence on stellar mass: more massive galaxies have shallower slopes. Attenuation curves exhibit a wide range of UV bump amplitudes, from none to Milky Way (MW)-like, with an average strength one-third that of the MW bump. Notably, local analogs of high-redshift galaxies have an average curve that is somewhat steeper than the SMC curve, with a modest UV bump that can be, to first order, ignored, as its effect on the near-UV magnitude is 0.1 mag. Neither the slopes nor the strengths of the UV bump depend on gas-phase metallicity. Functional forms for attenuation laws are presented for normal star-forming galaxies, high-z analogs, and quiescent galaxies. We release the catalog of associated star formation rates and stellar masses (GSWLC-2; GALEX-SDSS-WISE Legacy Catalog 2).2018ApJ...859...11Shttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/859/11CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toIII/167 : Atlas of UV spectra of star-forming galaxies (Kinney+ 1993)VI/139 : Herschel Observation Log (Herschel Science Centre, 2013)II/335 : Revised cat. of GALEX UV sources (GUVcat_AIS GR6+7) (Bianchi+ 2017)II/363 : The band-merged unWISE Catalog (Schlafly+, 2019)V/154 : Sloan Digital Sky Surveys (SDSS), Release 16 (DR16) (Ahumada+, 2020)J/MNRAS/338/525 : Recent star formation in UCM gal. (Perez-Gonzalez+, 2003)J/ApJ/706/553 : Fluxes in nearby star-forming galaxies (Boquien+, 2009)J/A+A/545/A141 : UV selected sources in the GOODS-S field (Buat+, 2012)J/ApJ/793/115 : UV-continuum slopes beta for z~4-8 galaxies (Bouwens+, 2014)J/ApJ/810/71 : UV mag of cand. galaxies at 3~<z~<8.5 (Finkelstein+, 2015)J/MNRAS/462/3146 : Herschel-ATLAS DR1 (HATLAS) (Valiante+, 2016)J/MNRAS/466/4540 : SUMaC I (Hagen+, 2017)http://salims.pages.iu.edu/gswlc/ : GALEX-SDSS-WISE LEGACY CATALOG (GSWLC) homehttp://unwise.me/ : unWISE homepagehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/859/11https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/859/11http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/859/11https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/859/11https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/859/11http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/859/11GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/ApJ/859/11/gswlc-a2 (*Shallow, "All-sky" catalog (GSWLC-A2; Covers 88% of SDSS))https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/859/11/gswlc-a2?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/859/11/gswlc-a2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/859/11/gswlc-a2?GETtext/xml+votable180.050000true57.442293060.158853060.005555555555555556Cone search capability for table J/ApJ/859/11/gswlc-m2 (*Medium-deep catalog (GSWLC-M2; Covers 49% of SDSS))https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/859/11/gswlc-m2?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/859/11/gswlc-m2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/859/11/gswlc-m2?GETtext/xml+votable180.050000true57.442293060.158853060.005555555555555556Cone search capability for table J/ApJ/859/11/gswlc-d2 (*Deep catalog (GSWLC-D2; Covers 7% of SDSS))https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/859/11/gswlc-d2?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/859/11/gswlc-d2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/859/11/gswlc-d2?GETtext/xml+votable180.050000true244.41342-1.256133060.005555555555555556Cone search capability for table J/ApJ/859/11/gswlc-x2 (*Master catalog taking the deepest of GSWLC-A, M and D (GSWLC-X2; Covers 90% of SDSS))https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJ/859/11/gswlc-x2?https://vizier.iucaa.in/viz-bin/conesearch/J/ApJ/859/11/gswlc-x2?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJ/859/11/gswlc-x2?GETtext/xml+votable180.050000true148.7606828.399610.0055555555555555562/19-20 103 3/67 69-71 73 84-86 88 90 92 94 97 100-102 114-116 128-129 131 133-134 140 142-144 146-147 150 154 161-162 164 166 170-172 176 178 277 283 287 407 409-411 421 423 427 433-434 436-438 440-442 444 446-447 494 4/40 42-43 46 128-129 256-257 259-261 263 265-267 273-275 289-291 296-297 299-302 348-350 356 358 364-366 372 374-375 381 383 397 399 413-415 448 451-452 454-455 469 472 520-521 523 530 540-541 544-546 548-549 551-552 554-555 557-559 566 580 582-583 594-595 608-609 611-614 620 622-624 640 642-643 652 654-655 661-663 668-669 671-672 674 677 679 696 698-699 701-703 710-711 716 718 724 736-738 744-746 772 788-789 1104-1105 1113-1116 1118 1125-1127 1129-1131 1136-1138 1140 1142-1143 1147 1173-1175 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19725-19727 19729-19731 19764 19768 19784-19785 19787 19809 19832-19833 19835 19844 19848 19921 19923 19932-19933 19979 19985-19987 20012-20013 20016-20018 20036 20040 20096-20097 20107 20140-20141 20254 20472 21783 21822-21823 21839-21840 21842-21843 21859 21907 21913 21915 21940 21960-21961 21963 21997 22337 22341 22343 22351 22395 22517 22519 22525 22710-22711 22713-22715 22760 22762-22763 22917 23043 23064-23066 23068 23076 23080 23095 23101-23104 23138 23150 23179 23185-23187 23196-23198 23216-23218 23224 23232-23234 23240 23418 25559 25575 25579 25821-25823 25835 25837-25839 25841-25843 25885-25887 25901-25903 25905-25907 25921-25923 25985-25987 26025-26027 26135 26139 26141-26143 26151 26155 26157-26159 26161-26163 26847 26872 26903 26909-26911 26933-26935 26937-26939 27011 27013-27017 27019 27021-27023 27025-27027 27189 27193 27197-27199 27203 27213-27215 27269-27270 27273 27275 27277-27279 27281-27283 27297-27299 27320-27321 27323 27452 27454 27497 27568 27570 27572-27573 27575 27578-27579 27581-27583 27585-27587 27700-27701 27703 27872-27874 27876-27877 27880 27882-27883 27886-27887 28136 28138 28353 28355 28364-28366 28482-28483 29973 30016 30029-30031 30044-30046 30068 30973-30975 31138-31139 31148 31150 31289-31291 31307 31313-31315 31329-31331 31340-31342 31344-31346 31351 31363 31448-31449 31451 31488-31490 31548 31550-31551 31594 31598-31599 31611 31700 31702-31704 31706-31707 32386-32387 32390-32391 32402-32403 32406-32407 32451 32471 32473 32484 32486-32487 32497-32499 32642 32672 32674-32675 32678-32679 32690 32702 36607 36702-36703 36715 36721-36723 36758-36759 36761-36763 36771 36773-36775 36788-36790 36812-36814 36816-36818 36832 36842 36845-36847 36850 40949 40957 40959 45023 45039 45043 48983 48987 49005-49007 49009-49011 49020-49022 49055 49077-49079 49081 49091 49108 49112 49114 49117 49119 49124-49126 49141 49147https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJ/859/11?format=asciiUVOpticalInfrareddefaultJ/ApJ/859/11/gswlc-a2*Shallow, "All-sky" catalog (GSWLC-A2; Covers 88% of SDSS)recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintObjIDSDSS DR10 photometric identification numbermeta.id;meta.mainindexedGLXID? GALEX GR6/7 photometric identification numbermeta.id.crossnullableindexedPlate[266/6064] SDSS spectroscopic plate numbermeta.id;instr.plateintMJD[51578/56107] SDSS spectroscopic plate Modified Julian Datedtime.epochintindexedFiber[1/1000] SDSS spectroscopic fiber identification numbermeta.noteintRAJ2000Right ascension from SDSS (J2000)degpos.eq.ra;meta.mainindexedDEJ2000[-11.3/78.2] Declination from SDSS (J2000)degpos.eq.dec;meta.mainindexedz[0.01/0.3] Redshift from SDSSsrc.redshiftfloatChi2r[0/30]? Reduced goodness-of-fit value for the SED fittingstat.fit.chi2floatnullablelogMs[7.2/12.5]? Stellar massphys.massfloatnullablee_logMs[0/0.9]? logMs uncertaintystat.error;phys.massfloatnullablelogSFR[-4.5/2.9]? Log of UV/optical (SED) stellar formation ratelog(solMass.yr**-1)phys.SFRfloatnullablee_logSFR[0/1.6]? logSFR uncertaintylog(solMass.yr**-1)stat.error;phys.SFRfloatnullableAfuv[0/6.2]? Dust attenuation in rest-frame FUVphys.absorption;em.UV.100-200nmfloatnullablee_Afuv[0/2.9]? Afuv uncertaintystat.error;phys.absorption;em.UV.100-200nmfloatnullableAb[0/2.6]? Dust attenuation in rest-frame Bphys.absorption;em.opt.Bfloatnullablee_Ab[0/0.8]? Ab uncertaintystat.error;phys.absorption;em.opt.BfloatnullableAv[0/2.2]? Dust attenuation in rest-frame Vmagphys.absorption;em.opt.Vfloatnullablee_Av[0/0.7]? Av uncertaintymagstat.error;phys.absorption;em.opt.VfloatnullableSED[0/6] SED fitting flag (1)meta.codeintSurvey[1/3] UV (GSWLC) survey (2)meta.codeintUV[0/3] UV (GALEX) flag (1=FUV only, 2=NUV only, 3=both, 0=no UV)meta.codeintMIR[0/7]? Mid-IR (unWISE) flag (3)meta.codeintnullableMGS[0/1] Main Galaxy Sample (MGS) flag (1 = in MGS) (4)meta.codeintWISEDisplay data from unWISE (II/363) and AllWISE (II/328) within 1.5"meta.ref.urlcharSpInteractive spectrum from SDSS-DR18meta.ref.urlcharJ/ApJ/859/11/gswlc-m2*Medium-deep catalog (GSWLC-M2; Covers 49% of SDSS)recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintObjIDSDSS DR10 photometric identification numbermeta.id;meta.mainindexedGLXID? GALEX GR6/7 photometric identification numbermeta.id.crossnullableindexedPlate[266/6064] SDSS spectroscopic plate numbermeta.id;instr.plateintMJD[51578/56107] SDSS spectroscopic plate Modified Julian Datedtime.epochintindexedFiber[1/1000] SDSS spectroscopic fiber identification numbermeta.noteintRAJ2000Right ascension from SDSS (J2000)degpos.eq.ra;meta.mainindexedDEJ2000[-11.3/78.2] Declination from SDSS (J2000)degpos.eq.dec;meta.mainindexedz[0.01/0.3] Redshift from SDSSsrc.redshiftfloatChi2r[0/30]? Reduced goodness-of-fit value for the SED fittingstat.fit.chi2floatnullablelogMs[7.2/12.5]? Stellar massphys.massfloatnullablee_logMs[0/0.9]? logMs uncertaintystat.error;phys.massfloatnullablelogSFR[-4.5/2.9]? Log of UV/optical (SED) stellar formation ratelog(solMass.yr**-1)phys.SFRfloatnullablee_logSFR[0/1.6]? logSFR uncertaintylog(solMass.yr**-1)stat.error;phys.SFRfloatnullableAfuv[0/6.2]? Dust attenuation in rest-frame FUVphys.absorption;em.UV.100-200nmfloatnullablee_Afuv[0/2.9]? Afuv uncertaintystat.error;phys.absorption;em.UV.100-200nmfloatnullableAb[0/2.6]? Dust attenuation in rest-frame Bphys.absorption;em.opt.Bfloatnullablee_Ab[0/0.8]? Ab uncertaintystat.error;phys.absorption;em.opt.BfloatnullableAv[0/2.2]? Dust attenuation in rest-frame Vmagphys.absorption;em.opt.Vfloatnullablee_Av[0/0.7]? Av uncertaintymagstat.error;phys.absorption;em.opt.VfloatnullableSED[0/6] SED fitting flag (1)meta.codeintSurvey[1/3] UV (GSWLC) survey (2)meta.codeintUV[0/3] UV (GALEX) flag (1=FUV only, 2=NUV only, 3=both, 0=no UV)meta.codeintMIR[0/7]? Mid-IR (unWISE) flag (3)meta.codeintnullableMGS[0/1] Main Galaxy Sample (MGS) flag (1 = in MGS) (4)meta.codeintWISEDisplay data from unWISE (II/363) and AllWISE (II/328) within 1.5"meta.ref.urlcharSpInteractive spectrum from SDSS-DR18meta.ref.urlcharJ/ApJ/859/11/gswlc-d2*Deep catalog (GSWLC-D2; Covers 7% of SDSS)GLXID? GALEX GR6/7 photometric identification numbermeta.id.crossnullableindexedPlate[266/6064] SDSS spectroscopic plate numbermeta.id;instr.plateintMJD[51578/56107] SDSS spectroscopic plate Modified Julian Datedtime.epochintindexedFiber[1/1000] SDSS spectroscopic fiber identification numbermeta.noteintRAJ2000Right ascension from SDSS (J2000)degpos.eq.ra;meta.mainindexedrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintObjIDSDSS DR10 photometric identification numbermeta.id;meta.mainindexedDEJ2000[-11.3/78.2] Declination from SDSS (J2000)degpos.eq.dec;meta.mainindexedz[0.01/0.3] Redshift from SDSSsrc.redshiftfloatChi2r[0/30]? Reduced goodness-of-fit value for the SED fittingstat.fit.chi2floatnullablelogMs[7.2/12.5]? Stellar massphys.massfloatnullablee_logMs[0/0.9]? logMs uncertaintystat.error;phys.massfloatnullablelogSFR[-4.5/2.9]? Log of UV/optical (SED) stellar formation ratelog(solMass.yr**-1)phys.SFRfloatnullablee_logSFR[0/1.6]? logSFR uncertaintylog(solMass.yr**-1)stat.error;phys.SFRfloatnullableAfuv[0/6.2]? Dust attenuation in rest-frame FUVphys.absorption;em.UV.100-200nmfloatnullablee_Afuv[0/2.9]? Afuv uncertaintystat.error;phys.absorption;em.UV.100-200nmfloatnullableAb[0/2.6]? Dust attenuation in rest-frame Bphys.absorption;em.opt.Bfloatnullablee_Ab[0/0.8]? Ab uncertaintystat.error;phys.absorption;em.opt.BfloatnullableAv[0/2.2]? Dust attenuation in rest-frame Vmagphys.absorption;em.opt.Vfloatnullablee_Av[0/0.7]? Av uncertaintymagstat.error;phys.absorption;em.opt.VfloatnullableSED[0/6] SED fitting flag (1)meta.codeintSurvey[1/3] UV (GSWLC) survey (2)meta.codeintUV[0/3] UV (GALEX) flag (1=FUV only, 2=NUV only, 3=both, 0=no UV)meta.codeintMIR[0/7]? Mid-IR (unWISE) flag (3)meta.codeintnullableMGS[0/1] Main Galaxy Sample (MGS) flag (1 = in MGS) (4)meta.codeintWISEDisplay data from unWISE (II/363) and AllWISE (II/328) within 1.5"meta.ref.urlcharSpInteractive spectrum from SDSS-DR18meta.ref.urlcharJ/ApJ/859/11/gswlc-x2*Master catalog taking the deepest of GSWLC-A, M and D (GSWLC-X2; Covers 90% of SDSS)e_Ab[0/0.8]? Ab uncertaintystat.error;phys.absorption;em.opt.BfloatnullableAv[0/2.2]? Dust attenuation in rest-frame Vmagphys.absorption;em.opt.Vfloatnullablee_Av[0/0.7]? Av uncertaintymagstat.error;phys.absorption;em.opt.VfloatnullablerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintObjIDSDSS DR10 photometric identification numbermeta.id;meta.mainindexedGLXID? GALEX GR6/7 photometric identification numbermeta.id.crossnullableindexedPlate[266/6064] SDSS spectroscopic plate numbermeta.id;instr.plateintMJD[51578/56107] SDSS spectroscopic plate Modified Julian Datedtime.epochintindexedFiber[1/1000] SDSS spectroscopic fiber identification numbermeta.noteintRAJ2000Right ascension from SDSS (J2000)degpos.eq.ra;meta.mainindexedDEJ2000[-11.3/78.2] Declination from SDSS (J2000)degpos.eq.dec;meta.mainindexedz[0.01/0.3] Redshift from SDSSsrc.redshiftfloatChi2r[0/30]? Reduced goodness-of-fit value for the SED fittingstat.fit.chi2floatnullablelogMs[7.2/12.5]? Stellar massphys.massfloatnullablee_logMs[0/0.9]? logMs uncertaintystat.error;phys.massfloatnullablelogSFR[-4.5/2.9]? Log of UV/optical (SED) stellar formation ratelog(solMass.yr**-1)phys.SFRfloatnullablee_logSFR[0/1.6]? logSFR uncertaintylog(solMass.yr**-1)stat.error;phys.SFRfloatnullableAfuv[0/6.2]? Dust attenuation in rest-frame FUVphys.absorption;em.UV.100-200nmfloatnullablee_Afuv[0/2.9]? Afuv uncertaintystat.error;phys.absorption;em.UV.100-200nmfloatnullableAb[0/2.6]? Dust attenuation in rest-frame Bphys.absorption;em.opt.BfloatnullableSED[0/6] SED fitting flag (1)meta.codeintSurvey[1/3] UV (GSWLC) survey (2)meta.codeintUV[0/3] UV (GALEX) flag (1=FUV only, 2=NUV only, 3=both, 0=no UV)meta.codeintMIR[0/7]? Mid-IR (unWISE) flag (3)meta.codeintnullableMGS[0/1] Main Galaxy Sample (MGS) flag (1 = in MGS) (4)meta.codeintWISEDisplay data from unWISE (II/363) and AllWISE (II/328) within 1.5"meta.ref.urlcharSpInteractive spectrum from SDSS-DR18meta.ref.urlchar