J/A+A/711/A184ivo://CDS.VizieR/J/A+A/711/A184CDSYoon Y.Kim Y.Kim D.Chun K.Byun W.2026-07-16T09:50:23Z2026-07-16T10:49:26ZCDS support team

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

cds-question@unistra.fractive-galactic-nucleiredshiftedvisible-astronomyTo establish a more comprehensive understanding of the connection between galaxy mergers and active galactic nuclei (AGNs), it is essential to disentangle the contributions of intrinsic AGN luminosity and dust extinction to the merger-AGN connection. Since tidal features identified in deep images serve as direct evidence of recent mergers, we study the fraction of AGN hosts with tidal features (f_T_) for a large sample of 748 type 2 AGNs at z<0.063. Specifically, we examine f_T_ as a function of E(B-V), derived from the Balmer decrement, and the internal-extinction-corrected luminosity of the [OIII] {lambda}5007 emission line (L_[OIII]_), which is a proxy for bolometric AGN luminosity. Our main finding is that f_T_ is significantly higher only for AGNs that are simultaneously luminous and heavily dust-obscured. Specifically, AGNs with log L_[OIII]_>~41.5 and E(B-V)>~0.7 exhibit a high f_T_ of ~0.7. In contrast, AGNs with either low luminosity (log L_[OIII]<~41.0) or low dust obscuration (E(B-V)<~0.3) show a low f_T_ of <~0.2. This trend suggests that galaxy mergers preferentially trigger AGNs that are simultaneously luminous and dust-obscured, whereas AGNs that are either luminous but unobscured or dust-obscured but less luminous are not strongly associated with merger-driven triggering. Based on several assumptions, our result can also be interpreted, despite certain caveats, within the framework of a merger-initiated evolution model for AGNs, suggesting that AGNs that are both obscured and luminous are temporally closer to merger events than those with lower luminosity and less dust obscuration.2026A&A...711A.184Yhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/711/A184CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicehttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+A/711/A184https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/A+A/711/A184http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/A+A/711/A184https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/A+A/711/A184https://vizier.iucaa.in/viz-bin/votable?-source=J/A+A/711/A184http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/A+A/711/A184GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/A+A/711/A184/table1 (Properties of type 2 AGNs)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/A+A/711/A184/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/A+A/711/A184/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/A+A/711/A184/table1?GETtext/xml+votable180.050000true186.4446812.661880.0055555555555555565/6744 6/526 555 4104 4106 4152 4188 4255 4262 4288 4329 4332 4350 4369 4376 4381 4432 4437 4445 4511 4526 4552 4556 4573-4574 4582 4597 4616 4650 4652 4654 4661 4697 4704 4706 4727 4751 4802 4804 4821 4833-4835 4861 4881 4905-4906 4931 4943 4961 4964 4986 5033 5049 5052-5053 5061 5083 5087 5091 5097 5106 5123 5128 5131 5149 5204 5219 5221 5238 5256 5260 5262-5263 5293 5333 5338 5347 5356 5359 5362-5363 5375 5389-5390 5394 5400-5401 5420 5461 5475 5480 5493 5501 5506 5510 5518-5519 5524 5535-5536 5555 5566 5599-5600 5604 5615 5618 5620 5629-5631 5660 5665 5684 5699 5708 5712 5729 5736 5864 5875 5896 5955 5957 5960 5964 5973 5995 6000 6007 6009-6010 6016 6084 6110 6113 6129 6134 6140 6197 6212 6223 6226 6238 6245 6253-6254 6363 6408 6438 6446 6448-6449 6457-6460 6477 6480 6487 6501 6549 6568 6581 6596 6600 6602 6638-6639 6916 6993 7208 7212 7223 7230 7277 7291 7307-7308 7313 7318 7335 7348 7365 7411 7422 7442 7515 7552 7560 7696 8211 8213 8215 8230 8247 8267 8270 8277 8288 8296 8304 8325 8329 8332 8342 8346 8351 8353 8370 8380 8413 8426 8442 8445 8449 8467 8470 8501 8505-8506 8531 8533 8545 8553 8555 8602 8613 8626 8629 8641 8654 8661 8674 8679 8702 8718 8727 8740 8744 8759 8770 8787 8803 8814 8830 8859 8869 8881 8884 8887 8891 8894 8917 8933 8939 8947-8948 8960 8992 9000 9004 9012 9026 9081 9088-9089 9091-9092 9094 9106 9108 9122 9151 9156 9161 9218 9227 9229 9231-9232 9252 9254 9266-9267 9287 9318 9327 9344-9346 9348 9356 9363 9368 9377 9403 9406-9408 9411 9418 9445-9446 9448 9465 9468 9607 9609 9634 9746 9770 9772 9788 9798 9815 9834 9843 9884 9920 9923 9926 9943 9946 9951 9977-9978 9986 9990 10075 10114 10120 10200 10254 10289 10309 10315-10317 10322-10323 10337 10346 10348 10355 10374 10377 10390 10404 10417 10421 10438 10440-10441 10454 10483-10484 10501 10528 10542 10635-10636 10658 10710 10736 10745 10771 10773 10783 10788 10796 10846 10862 10873 10921 10926 10936 10984 10989 10998 11006 11010 11018 11021 11029 11067 11077 11090 11101 11135 11150 11175 11180 11185 11199 11223 11240-11242 11247 11264 11273 11284 11386 11406 11443 11472 11498 11500 11507 11513 11778 11788 11810 11831 11873 11906 11949 12379 12480 17214 17223 17237 17239 17251 17313 17316 17329 17344 17469 17487 17508 17513 17517 17520 17582 17727 17747-17748 17765 17810 17825 18008-18009 18017-18018 18063 18070 18073 18087 18388 18405 18412 18518 18545 18581 18589 18603-18604 18607 18625 18687 18767 18778-18779 18837 18842 18851 18864 18949 18951-18952 19047 19052 19108 19200 19408 19673 19676 19700 19725 19741 19776 19992-19993 21845 21847 21887 21980 22365 22397 23051 23103 23138 23196 23218 25565 25855 25901 25934 25943 25967 25974 25989 26005 26050 26074 26085 26277 26331 26338 26366 26388 26396 26402 26414 26424 26433 26441 26461 26470 26478 26488 26492 26498 26512 26533 26536 26540 26614 26621 26623 26965-26966 27000 27007 27056 27069 27077-27078 27081 27085 27096 27115 27117 27125 27127 27133 27199 27224-27225 27231 27242 27299 27307 27345-27347 27363 27378-27379 27392 27395 27403 27407 27416 27424 27436 27448 27455 27460 27464 27466 27477 27482 27484 27495 27497 27530 27559 27566 27576 27583 27586 27595 27613 27619 27625 27636 27648 27686 27699 27762 27767 27771 27787 27821 27827 27842 27845 27854 27858 27866 27875 27880 27887 27920 27947 27951 27990 28005 28053 28060 28075 28129 28164 28192 28208 28213 28218 28223 28225 28252 28268 28294 28321 28330 28350-28351 28357 28381 28400 28404 28406 28409 28412 28415-28416 28430 28440 28501 28507 28516 28527 28542 28547 28551 28553 28563 28584-28585 28599 28602 28609 28616 28626 28630 28640 28643 30036 31290 31315 31318 31320 31322 31387 31398 31401 31406 31410 31422 31426 31435 31438 31461 31463 31467 31469 31473 31594 31627 31640 31647 31712 31716-31717 31725 32408 32433 32441 32482 32490-32491 32684 32686 36725 36733 36763 36782 36861https://cdsarc.cds.unistra.fr/viz-bin/moc/J/A+A/711/A184?format=asciiOpticaldefaultJ/A+A/711/A184/table1Properties of type 2 AGNsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintObjIDObject ID in SDSSmeta.id;meta.mainRAJ2000Right ascension (J2000) (RA)degpos.eq.ra;meta.mainDEJ2000Declination (J2000) (DEC)degpos.eq.dec;meta.mainzRedshiftsrc.redshiftdoubleE(B-V)Intrinsic color excess derived from Balmer decrementmagphot.color.excessfloatlogLOIIILogarithmic luminosity of [OIII] {lambda}5007 emission line (in erg/s)log(1e-07W)phys.luminosityfloatlogMstarLogarithmic stellar masslog(solMass)phys.massfloatTidalFeature[Y/N] Presence of tidal features in the host galaxy; Y = present, N = absentmeta.codecharSloanDisplay the online SDSS-DR17 data for the AGNmeta.ref.urlchar