Search Results - "Peterson, B. M."

The Structure of the Broad-line Region in Active Galactic Nuclei. II. Dynamical Modeling of Data From the AGN10 Reverberation Mapping Campaign by Grier, C. J., Pancoast, A., Barth, A. J., Fausnaugh, M. M., Brewer, B. J., Treu, T., Peterson, B. M.

“…We present inferences on the geometry and kinematics of the broad-Hβ line-emitting region in four active galactic nuclei monitored as part of the fall 2010…”
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Spatially resolved rotation of the broad-line region of a quasar at sub-parsec scale by Sturm, E, Dexter, J, Pfuhl, O, Stock, M R, Davies, R I, Lutz, D, Clénet, Y, Eckart, A, Eisenhauer, F, Genzel, R, Gratadour, D, Hönig, S F, Kishimoto, M, Lacour, S, Millour, F, Netzer, H, Perrin, G, Peterson, B M, Petrucci, P O, Rouan, D, Waisberg, I, Woillez, J, Amorim, A, Brandner, W, Schreiber, N M Förster, Garcia, P J V, Gillessen, S, Ott, T, Paumard, T, Perraut, K, Scheithauer, S, Straubmeier, C, Tacconi, L J, Widmann, F

“…The broadening of atomic emission lines by high-velocity motion of gas near accreting supermassive black holes is an observational hallmark of quasars 1 …”
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Double-Peaked Profiles: Ubiquitous Signatures of Disks in the Broad Emission Lines of Active Galactic Nuclei by Storchi-Bergmann, T., Schimoia, J. S., Peterson, B. M., Elvis, M., Denney, K. D., Eracleous, M., Nemmen, R. S.

“…Broad (∼10,000 km s−1), double-peaked emission-line profiles of Balmer lines emitted by active galactic nuclei (AGN) are thought to originate in the outer…”
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APPLICATION OF STOCHASTIC MODELING TO ANALYSIS OF PHOTOMETRIC REVERBERATION MAPPING DATA by Zu, Ying, Kochanek, C. S., Koz owski, Szymon, Peterson, B. M.

“…ABSTRACT We use both simulated and real quasar light curves to explore modeling photometric reverberation-mapping (RM) data as a stochastic process. We do this…”
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The First Swift Intensive AGN Accretion Disk Reverberation Mapping Survey by Edelson, R., Gelbord, J., Cackett, E., Peterson, B. M., Horne, K., Barth, A. J., Starkey, D. A., Bentz, M., Brandt, W. N., Goad, M., Joner, M., Korista, K., Netzer, H., Page, K., Uttley, P., Vaughan, S., Breeveld, A., Cenko, S. B., Done, C., Evans, P., Fausnaugh, M., Ferland, G., Gonzalez-Buitrago, D., Gropp, J., Grupe, D., Kaastra, J., Kennea, J., Kriss, G., Mathur, S., Mehdipour, M., Mudd, D., Nousek, J., Schmidt, T., Vestergaard, M., Villforth, C.

“…Swift intensive accretion disk reverberation mapping of four AGN yielded light curves sampled ∼200-350 times in 0.3-10 keV X-ray and six UV/optical bands…”
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Central Masses and Broad-Line Region Sizes of Active Galactic Nuclei. II. A Homogeneous Analysis of a Large Reverberation-Mapping Database by Peterson, B. M, Ferrarese, L, Gilbert, K. M, Kaspi, S, Malkan, M. A, Maoz, D, Merritt, D, Netzer, H, Onken, C. A, Pogge, R. W, Vestergaard, M, Wandel, A

“…We present improved black hole masses for 35 active galactic nuclei (AGNs) based on a complete and consistent reanalysis of broad emission-line…”
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The Sloan Digital Sky Survey Reverberation Mapping Project: Initial C iv Lag Results from Four Years of Data by Grier, C. J., Shen, Yue, Horne, Keith, Brandt, W. N., Trump, J. R., Hall, P. B., Kinemuchi, K., Starkey, David, Schneider, D. P., Ho, Luis C., Homayouni, Y., Li, Jennifer I-Hsiu, McGreer, Ian D., Peterson, B. M., Bizyaev, Dmitry, Chen, Yuguang, Dawson, K. S., Eftekharzadeh, Sarah, Guo, Yucheng, Jia, Siyao, Jiang, Linhua, Kneib, Jean-Paul, Li, Feng, Li, Zefeng, Nie, Jundan, Oravetz, Audrey, Oravetz, Daniel, Pan, Kaike, Petitjean, Patrick, Ponder, Kara A., Rogerson, Jesse, Vivek, M., Zhang, Tianmeng, Zou, Hu

“…We present reverberation-mapping (RM) lags and black hole mass measurements using the C ivλ1549 broad emission line from a sample of 348 quasars monitored as a…”
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The Changing-look Quasar Mrk 590 Is Awakening by Mathur, S., Denney, K. D., Gupta, A., Vestergaard, M., De Rosa, G., Krongold, Yair, Nicastro, F., Collinson, J., Goad, M., Korista, K., Pogge, R. W., Peterson, B. M.

“…Mrk 590 was originally classified as a Seyfert 1 galaxy, but then it underwent dramatic changes: the nuclear luminosity dropped by over two orders of magnitude…”
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MUSE observations of a changing-look AGN – I. The reappearance of the broad emission lines by Raimundo, S I, Vestergaard, M, Koay, J Y, Lawther, D, Casasola, V, Peterson, B M

“…ABSTRACT Optical changing-look Active Galactic Nuclei (AGN) are a class of sources that change type within a short time-scale of years or decades. This change…”
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A fast and long-lived outflow from the supermassive black hole in NGC 5548 by Kaastra, J. S., Kriss, G. A., Cappi, M., Mehdipour, M., Petrucci, P.-O., Steenbrugge, K. C., Arav, N., Behar, E., Bianchi, S., Boissay, R., Branduardi-Raymont, G., Chamberlain, C., Costantini, E., Ely, J. C., Ebrero, J., Di Gesu, L., Harrison, F. A., Kaspi, S., Malzac, J., De Marco, B., Matt, G., Nandra, K., Paltani, S., Person, R., Peterson, B. M., Pinto, C., Ponti, G., Nuñez, F. Pozo, De Rosa, A., Seta, H., Ursini, F., de Vries, C. P., Walton, D. J., Whewell, M.

“…Supermassive black holes in the nuclei of active galaxies expel large amounts of matter through powerful winds of ionized gas. The archetypal active galaxy NGC…”
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The Sloan Digital Sky Survey Reverberation Mapping Project: How Broad Emission Line Widths Change When Luminosity Changes by Wang, Shu, Shen, Yue, Jiang, Linhua, Grier, C. J., Horne, Keith, Homayouni, Y., Peterson, B. M., Trump, Jonathan R., Brandt, W. N., Hall, P. B., Ho, Luis C., Li, Jennifer I-Hsiu, Santisteban, J. V. Hernandez, Kinemuchi, K., McGreer, Ian D., Schneider, D. P.

“…Quasar broad emission lines are largely powered by photoionization from the accretion continuum. Increased central luminosity will enhance line emissivity in…”
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Intensive Broadband Reverberation Mapping of Fairall 9 with 1.8 yr of Daily Swift Monitoring by Edelson, R., Peterson, B. M., Gelbord, J., Horne, K., Goad, M., McHardy, I., Vaughan, S., Vestergaard, M.

“…Abstract We present 1.8 yr of near-daily Swift monitoring of the bright, strongly variable Type 1 active galactic nucleus (AGN) Fairall 9. Totaling 575…”
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Parsec-scale radio morphology and variability of a changing-look AGN: the case of Mrk 590 by Koay, J. Y., Vestergaard, M., Bignall, H. E., Reynolds, C., Peterson, B. M.

“…We investigate the origin of the parsec-scale radio emission from the changing-look active galactic nucleus (AGN) of Mrk 590, and examine whether the radio…”
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SWIFT/UVOT GRISM MONITORING OF NGC 5548 IN 2013: AN ATTEMPT AT Mg ii REVERBERATION MAPPING by Cackett, E. M., Gültekin, K., Bentz, M. C., Fausnaugh, M. M., Peterson, B. M., Troyer, J., Vestergaard, M.

“…ABSTRACT Reverberation-mapping-based scaling relations are often used to estimate the masses of black holes from single-epoch spectra of active galactic nuclei…”
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Spectropolarimetry of NGC 3783 and Mrk 509: Evidence for powerful nuclear winds in Seyfert 1 Galaxies by Lira, P, Kishimoto, M, Goosmann, R W, Campos, R, Axon, D, Elvis, M, Lawrence, A, Peterson, B M, Robinson, A

“…ABSTRACT We present results from high signal-to-noise optical spectropolarimetric observations of the Seyfert 1 galaxies NGC 3783 and Mrk 509 in the 3500–7000…”
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C IV LINE-WIDTH ANOMALIES: THE PERILS OF LOW SIGNAL-TO-NOISE SPECTRA by Denney, K D, Pogge, R W, Assef, R J, Kochanek, C S, Peterson, B M, Vestergaard, M

“…Comparison of six high-redshift quasar spectra obtained with the Large Binocular Telescope with previous observations from the Sloan Digital Sky Survey shows…”
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Space Telescope and Optical Reverberation Mapping Project. XI. Disk-wind Characteristics and Contributions to the Very Broad Emission Lines of NGC 5548 by Dehghanian, M., Ferland, G. J., Kriss, G. A., Peterson, B. M., Korista, K. T., Goad, M. R., Chatzikos, M., Guzmán, F., Rosa, G. De, Mehdipour, M., Kaastra, J., Mathur, S., Vestergaard, M., Proga, D., Waters, T., Bentz, M. C., Bisogni, S., Brandt, W. N., Bontà, E. Dalla, Fausnaugh, M. M., Gelbord, J. M., Horne, Keith, McHardy, I. M., Pogge, R. W., Starkey, D. A.

“…In 2014 the NGC 5548 Space Telescope and Optical Reverberation Mapping campaign discovered a two-month anomaly when variations in the absorption and emission…”
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Central Masses and Broad-Line Region Sizes of Active Galactic Nuclei. I. Comparing the Photoionization and Reverberation Techniques by Wandel, A, Peterson, B. M, Malkan, M. A

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The Radius-Luminosity Relationship for Active Galactic Nuclei: The Effect of Host-Galaxy Starlight on Luminosity Measurements by Bentz, Misty C, Peterson, Bradley M, Pogge, Richard W, Vestergaard, Marianne, Onken, Christopher A

“…We have obtained high-resolution images of the central regions of 14 reverberation-mapped active galactic nuclei (AGNs) using the Hubble Space Telescope…”
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The Sloan Digital Sky Survey Reverberation Mapping Project: Mg ii Lag Results from Four Years of Monitoring by Homayouni, Y., Trump, Jonathan R., Grier, C. J., Horne, Keith, Shen, Yue, Brandt, W. N., Dawson, Kyle S., Alvarez, Gloria Fonseca, Green, Paul J., Hall, P. B., Hernández Santisteban, Juan V., Ho, Luis C., Kinemuchi, Karen, Kochanek, C. S., Li, Jennifer I-Hsiu, Peterson, B. M., Schneider, D. P., Starkey, D. A., Bizyaev, Dmitry, Pan, Kaike, Oravetz, Daniel, Simmons, Audrey

“…We present reverberation mapping results for the Mg ii λ2800 broad emission line in a sample of 193 quasars at 0.35 < z < 1.7 with photometric and…”
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