The Lick AGN Monitoring Project 2011: Reverberation Mapping of Markarian 50

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dc.contributor.utaustinauthorWalsh, Jonelle L.en_US
dc.creatorBarth, Aaron J.en_US
dc.creatorPancoast, Annaen_US
dc.creatorThorman, Shawn J.en_US
dc.creatorBennert, Vardha N.en_US
dc.creatorSand, David J.en_US
dc.creatorLi, Weidongen_US
dc.creatorCanalizo, Gabrielaen_US
dc.creatorFilippenko, Alexei V.en_US
dc.creatorGates, Elinor L.en_US
dc.creatorGreene, Jenny E.en_US
dc.creatorMalkan, Matthew A.en_US
dc.creatorStern, Danielen_US
dc.creatorTreu, Tommasoen_US
dc.creatorWoo, Jong-Haken_US
dc.creatorAssef, Roberto J.en_US
dc.creatorBae, Hyun-Jinen_US
dc.creatorBrewer, Brendon J.en_US
dc.creatorBuehler, Tabithaen_US
dc.creatorCenko, S. Bradleyen_US
dc.creatorClubb, Kelsey I.en_US
dc.creatorCooper, Michael C.en_US
dc.creatorDiamond-Stanic, Aleksandar M.en_US
dc.creatorHiner, Kyle D.en_US
dc.creatorHoenig, Sebastian F.en_US
dc.creatorJoner, Michael D.en_US
dc.creatorKandrashoff, Michael T.en_US
dc.creatorLaney, C. Daviden_US
dc.creatorLazarova, Mariana S.en_US
dc.creatorNierenberg, A. M.en_US
dc.creatorPark, Dawooen_US
dc.creatorSilverman, Jeffrey M.en_US
dc.creatorSon, Donghoonen_US
dc.creatorSonnenfeld, Alessandroen_US
dc.creatorTollerud, Erik J.en_US
dc.creatorWalsh, Jonelle L.en_US
dc.creatorWalters, Richarden_US
dc.creatorda Silva, Robert L.en_US
dc.creatorFumagalli, Micheleen_US
dc.creatorGregg, Michael D.en_US
dc.creatorHarris, Chelsea E.en_US
dc.creatorHsiao, Eric Y.en_US
dc.creatorLee, Jeffreyen_US
dc.creatorLopez, Lilianaen_US
dc.creatorRex, Jacoben_US
dc.creatorSuzuki, Naoen_US
dc.creatorTrump, Jonathan R.en_US
dc.creatorTytler, Daviden_US
dc.creatorWorseck, Gaboren_US
dc.creatorYesuf, Hassen M.en_US
dc.date.accessioned2016-10-28T19:34:43Z
dc.date.available2016-10-28T19:34:43Z
dc.date.issued2011-12en_US
dc.description.abstractThe Lick AGN Monitoring Project 2011 observing campaign was carried out over the course of 11 weeks in spring 2011. Here we present the first results from this program, a measurement of the broad-line reverberation lag in the Seyfert 1 galaxy Mrk 50. Combining our data with supplemental observations obtained prior to the start of the main observing campaign, our data set covers a total duration of 4.5 months. During this time, Mrk 50 was highly variable, exhibiting a maximum variability amplitude of a factor of similar to 4 in the U-band continuum and a factor of similar to 2 in the H beta line. Using standard cross-correlation techniques, we find that H beta and H gamma lag the V-band continuum by tau(cen) = 10.64(-0.93)(+0.82) and 8.43(-1.28)(+1.30) days, respectively, while the lag of He II lambda 4686 is unresolved. The H beta line exhibits a symmetric velocity-resolved reverberation signature with shorter lags in the high-velocity wings than in the line core, consistent with an origin in a broad-line region (BLR) dominated by orbital motion rather than infall or outflow. Assuming a virial normalization factor of f = 5.25, the virial estimate of the black hole mass is (3.2 +/- 0.5) x 10(7) M-circle dot. These observations demonstrate that Mrk 50 is among the most promising nearby active galaxies for detailed investigations of BLR structure and dynamics.en_US
dc.description.departmentAstronomyen_US
dc.description.sponsorshipNSF AST-1107812, 1107865, 1108665, 1108835, AST-0618209en_US
dc.description.sponsorshipPackard Research Fellowshipen_US
dc.identifierdoi:10.15781/T2RX93G61
dc.identifier.citationBarth, Aaron J., Anna Pancoast, Shawn J. Thorman, Vardha N. Bennert, David J. Sand, Weidong Li, Gabriela Canalizo et al. "The lick AGN monitoring project 2011: reverberation mapping of markarian 50." The Astrophysical Journal Letters, Vol. 743, No. 1 (Dec., 2011): L4.en_US
dc.identifier.doi10.1088/2041-8205/743/1/l4en_US
dc.identifier.issn2041-8205en_US
dc.identifier.urihttp://hdl.handle.net/2152/42938
dc.language.isoEnglishen_US
dc.relation.ispartofen_US
dc.relation.ispartofserialAstrophysical Journal Lettersen_US
dc.rightsAdministrative deposit of works to Texas ScholarWorks: This works author(s) is or was a University faculty member, student or staff member; this article is already available through open access or the publisher allows a PDF version of the article to be freely posted online. The library makes the deposit as a matter of fair use (for scholarly, educational, and research purposes), and to preserve the work and further secure public access to the works of the University.en_US
dc.rights.restrictionOpenen_US
dc.subjectgalaxies: activeen_US
dc.subjectgalaxies: individual (mrk 50)en_US
dc.subjectgalaxies: nucleien_US
dc.subjectactive galactic nucleien_US
dc.subjectblack-hole massesen_US
dc.subjectbroad-line regionen_US
dc.subjectm-bh-sigma(asterisk) relationen_US
dc.subjectvelocity dispersionen_US
dc.subjectcontinuum emissionen_US
dc.subjectseyfert-1 galaxiesen_US
dc.subjectradiation pressureen_US
dc.subjectarp 151en_US
dc.subjectvariabilityen_US
dc.subjectastronomy & astrophysicsen_US
dc.titleThe Lick AGN Monitoring Project 2011: Reverberation Mapping of Markarian 50en_US
dc.typeArticleen_US

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