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dc.contributor.authorFausnaugh, Michaelpt_BR
dc.contributor.authorDenney, Kelly D.pt_BR
dc.contributor.authorBarth, Aaron J.pt_BR
dc.contributor.authorBentz, Misty Cheriept_BR
dc.contributor.authorBottorff, Markpt_BR
dc.contributor.authorCarini, Michaelpt_BR
dc.contributor.authorCroxall, Kevin V.pt_BR
dc.contributor.authorDe Rosa, Gisellapt_BR
dc.contributor.authorGoad, Michael R.pt_BR
dc.contributor.authorHorne, Keithpt_BR
dc.contributor.authorJoner, Michael D.pt_BR
dc.contributor.authorKaspi, Shaipt_BR
dc.contributor.authorKim, Minsunpt_BR
dc.contributor.authorKlimanov, S. A.pt_BR
dc.contributor.authorKochanek, C.S.pt_BR
dc.contributor.authorLeonard, Douglas C.pt_BR
dc.contributor.authorNetzer, Hagaipt_BR
dc.contributor.authorPeterson, Bradley M.pt_BR
dc.contributor.authorSchnuelle, Kirstenpt_BR
dc.contributor.authorSergeev, Sergey G.pt_BR
dc.contributor.authorVestergaard, Mariannept_BR
dc.contributor.authorZheng, WeiKangpt_BR
dc.contributor.authorZu, Yingpt_BR
dc.contributor.authorAnderson, Mattpt_BR
dc.contributor.authorArévalo, Patriciapt_BR
dc.contributor.authorBazhaw, C.pt_BR
dc.contributor.authorBorman, G. A.pt_BR
dc.contributor.authorBoroson, Toddpt_BR
dc.contributor.authorBrandt, W.N.pt_BR
dc.contributor.authorBreeveld, Alice A.pt_BR
dc.contributor.authorBrewer, Brendon J.pt_BR
dc.contributor.authorCackett, Edward M.pt_BR
dc.contributor.authorCrenshaw, Daniel Michaelpt_BR
dc.contributor.authorDalla Bontà, Elenapt_BR
dc.contributor.authorDe Lorenzo-Cáceres, Adrianapt_BR
dc.contributor.authorDietrich, Matthiaspt_BR
dc.contributor.authorEdelson, Rick A.pt_BR
dc.contributor.authorEfimova, Natalia V.pt_BR
dc.contributor.authorEly, Justin C.pt_BR
dc.contributor.authorEvans, Phil A.pt_BR
dc.contributor.authorFilippenko, Alexei V.pt_BR
dc.contributor.authorFlatland, Kelsipt_BR
dc.contributor.authorGehrels, Neil C.pt_BR
dc.contributor.authorGeier, Stephanpt_BR
dc.contributor.authorGelbord, Jonathan M.pt_BR
dc.contributor.authorGonzalez, Luis A.pt_BR
dc.contributor.authorGorjian, Varoujanpt_BR
dc.contributor.authorGrier, Catherine J.pt_BR
dc.contributor.authorGrupe, Dirkpt_BR
dc.contributor.authorHall, Patrick B.pt_BR
dc.contributor.authorHicks, Shannonpt_BR
dc.contributor.authorHorenstein, Danielpt_BR
dc.contributor.authorHutchison, T.pt_BR
dc.contributor.authorIm, Myungshinpt_BR
dc.contributor.authorJensen, J. J.pt_BR
dc.contributor.authorJones, Jeremy Brynpt_BR
dc.contributor.authorKaastra, Jelle S.pt_BR
dc.contributor.authorKelly, Brandon Charlespt_BR
dc.contributor.authorKennea, Jamie A.pt_BR
dc.contributor.authorKim, Sang Chulpt_BR
dc.contributor.authorKorista, Kirk T.pt_BR
dc.contributor.authorKriss, Gerard A.pt_BR
dc.contributor.authorLee, Julia C.pt_BR
dc.contributor.authorLira, Paulinapt_BR
dc.contributor.authorMacInnis, F.pt_BR
dc.contributor.authorManne-Nicholas, Emily R.pt_BR
dc.contributor.authorMathur, Smitapt_BR
dc.contributor.authorMchardy, Ian Michaelpt_BR
dc.contributor.authorMontouri, C.pt_BR
dc.contributor.authorMusso, R.pt_BR
dc.contributor.authorNazarov, S. V.pt_BR
dc.contributor.authorNorris, Richard P.pt_BR
dc.contributor.authorNousek, John A.pt_BR
dc.contributor.authorOkhmat, D. N.pt_BR
dc.contributor.authorPancoast, Annapt_BR
dc.contributor.authorPapadakis, Iossifpt_BR
dc.contributor.authorParks, J. Robertpt_BR
dc.contributor.authorPei, Liuyipt_BR
dc.contributor.authorPogge, Richard Williampt_BR
dc.contributor.authorPott, Jörg-Uwept_BR
dc.contributor.authorRafter, Stephen E.pt_BR
dc.contributor.authorRix, H.-W.pt_BR
dc.contributor.authorSaylor, Dicy A.pt_BR
dc.contributor.authorSchimoia, Jáderson da Silvapt_BR
dc.contributor.authorSiegel, Michael H.pt_BR
dc.contributor.authorSpencer, Meghinpt_BR
dc.contributor.authorStarkey, Donn R.pt_BR
dc.contributor.authorSung, Hyun-Ilpt_BR
dc.contributor.authorTeems, Katherine G.pt_BR
dc.contributor.authorTreu, Tommasopt_BR
dc.contributor.authorTurner, Clay S.pt_BR
dc.contributor.authorUttley, Philpt_BR
dc.contributor.authorVillforth, Carolinpt_BR
dc.contributor.authorWeiss, Y.pt_BR
dc.contributor.authorWoo, Jong-Hakpt_BR
dc.contributor.authorYan, H.pt_BR
dc.contributor.authorYoung, Stuartpt_BR
dc.date.accessioned2016-10-07T02:13:37Zpt_BR
dc.date.issued2016pt_BR
dc.identifier.issn0004-6256pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/148901pt_BR
dc.description.abstractWe present ground-based optical photometric monitoring data for NGC 5548, part of an extended multiwavelength reverberation mapping campaign. The light curves have nearly daily cadence from 2014 January to July in nine filters (BVRI and ugriz). Combined with ultraviolet data from the Hubble Space Telescope and Swift, we confirm significant time delays between the continuum bands as a function of wavelength, extending the wavelength coverage from 1158 Å to the z band (~9160 Å). We find that the lags at wavelengths longer than the V band are equal to or greater than the lags of high-ionization-state emission lines (such as He II l1640 and l4686), suggesting that the continuum-emitting source is of a physical size comparable to the inner broad-line region (BLR). The trend of lag with wavelength is broadly consistent with the prediction for continuum reprocessing by an accretion disk with t μ l4 3. However, the lags also imply a disk radius that is 3 times larger than the prediction from standard thin-disk theory, assuming that the bolometric luminosity is 10% of the Eddington luminosity (L = 0.1LEdd). Using optical spectra from the Large Binocular Telescope, we estimate the bias of the interband continuum lags due to BLR emission observed in the filters. We find that the bias for filters with high levels of BLR contamination (~20%) can be important for the shortest continuum lagsand likely has a significant impact on the u and U bands owing to Balmer continuum emission.en
dc.format.mimetypeapplication/pdf
dc.language.isoengpt_BR
dc.relation.ispartofThe astronomical journal. Bristol. Vol. 821, no. 1 (Apr. 2016), 56, 25 p.pt_BR
dc.rightsOpen Accessen
dc.subjectGalaxies: activeen
dc.subjectGaláxias ativaspt_BR
dc.subjectGalaxies: individual (NGC 5548)en
dc.subjectGaláxia NGC 5548pt_BR
dc.subjectGalaxies: nucleien
dc.subjectGalaxias seyfertpt_BR
dc.subjectGalaxies: Seyfert Supportingen
dc.subjectNucleo galaticopt_BR
dc.subjectMaterial: machine-readable tablesen
dc.titleSpace telescope and optical reverberation mapping project : III. optical continuum emission and broadband time delays in NGC 5548pt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb001002179pt_BR
dc.type.originEstrangeiropt_BR


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