Search Results - "Denney, K. D."

ARE OUTFLOWS BIASING SINGLE-EPOCH C IV BLACK HOLE MASS ESTIMATES? by DENNEY, K. D

“…We use a combination of reverberation mapping data and single-epoch (SE) spectra of the C IV emission line in a sample of both low- and high-redshift active…”
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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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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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Simulations of the OzDES AGN reverberation mapping project by King, Anthea L., Martini, Paul, Davis, Tamara M., Denney, K. D., Kochanek, C. S., Peterson, Bradley M., Skielboe, Andreas, Vestergaard, Marianne, Huff, Eric, Watson, Darach, Banerji, Manda, McMahon, Richard, Sharp, Rob, Lidman, C.

“…As part of the Australian spectroscopic dark energy survey (OzDES) we are carrying out a large-scale reverberation mapping study of ≥500 quasars over five…”
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High-redshift standard candles: predicted cosmological constraints by King, Anthea L., Davis, Tamara M., Denney, K. D., Vestergaard, M., Watson, D.

“…We investigate whether future measurements of high-redshift standard candles will be a powerful probe of dark energy, when compared to other types of planned…”
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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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The Mass of the Black Hole in the Quasar PG 2130+099 by Grier, C. J, Peterson, B. M, Bentz, M. C, Denney, K. D, Eastman, J. D, Dietrich, M, Pogge, R. W, Prieto, J. L, DePoy, D. L, Assef, R. J, Atlee, D. W, Bird, J, Eyler, M. E, Peeples, M. S, Siverd, R, Watson, L. C, Yee, J. C

“…We present the results of a recent reverberation-mapping campaign undertaken to improve measurements of the radius of the broad-line region and the central…”
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THE TYPECASTING OF ACTIVE GALACTIC NUCLEI: Mrk 590 NO LONGER FITS THE ROLE by Denney, K D, DeRosa, G, Croxall, K, Gupta, A, Bentz, M C, Fausnaugh, M M, Grier, C J, Martini, P, Mathur, S, Peterson, B M, Pogge, R W, Shappee, B J

“…We present multi wavelength observations that trace more than 40 yr in the life of the active galactic nucleus (AGN) in Mrk 590, traditionally known as a…”
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The Sloan Digital Sky Survey Reverberation Mapping Project: Hα and Hβ Reverberation Measurements from First-year Spectroscopy and Photometry by Grier, C. J., Trump, J. R., Shen, Yue, Horne, Keith, Kinemuchi, Karen, McGreer, Ian D., Starkey, D. A., Brandt, W. N., Hall, P. B., Kochanek, C. S., Chen, Yuguang, Denney, K. D., Greene, Jenny E., Ho, L. C., Homayouni, Y., Li, Jennifer I-Hsiu, Pei, Liuyi, Peterson, B. M., Petitjean, P., Schneider, D. P., Sun, Mouyuan, AlSayyad, Yusura, Bizyaev, Dmitry, Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Dawson, K S., Eftekharzadeh, Sarah, Fernandez-Trincado, J. G., Gao, Yang, Hutchinson, Timothy A., Jia, Siyao, Jiang, Linhua, Oravetz, Daniel, Pan, Kaike, Paris, Isabelle, Ponder, Kara A., Peters, Christina, Rogerson, Jesse, Simmons, Audrey, Smith, Robyn, Wang, and Ran

“…Abstract We present reverberation mapping results from the first year of combined spectroscopic and photometric observations of the Sloan Digital Sky Survey…”
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THE SIZE OF THE NARROW-LINE-EMITTING REGION IN THE SEYFERT 1 GALAXY NGC 5548 FROM EMISSION-LINE VARIABILITY by Peterson, B M, Denney, K D, DE ROSA, G, Grier, C J, Pogge, R W, Bentz, M C, Kochanek, C S, Vestergaard, M, KILERCI-ESER, E, Dalla Bonta, E, Ciroi, S

“…The narrow [OIII] [lambda][lambda]4959, 5007 emission-line fluxes in the spectrum of the well-studied Seyfert 1 galaxy NGC 5548 are shown to vary with time…”
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The evolution of neutral gas in damped Lyman a systems from the XQ-100 survey by Sanchez-Ramirez, R, Ellison, S L, Prochaska, J X, Berg, T A M, Lopez, S, D'Odorico, V, Becker, G D, Christensen, L, Cupani, G, Denney, K D, Paris, I, Worseck, G, Gorosabel, J

“…We present a sample of 38 intervening damped Lyman ... (DLA) systems identified towards 100 z > 3.5 quasars, observed during the XQ-100 survey. The XQ-100 DLA…”
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ON THE SCATTER IN THE RADIUS-LUMINOSITY RELATIONSHIP FOR ACTIVE GALACTIC NUCLEI by Kilerci Eser, E., Vestergaard, M., Peterson, B. M., Denney, K. D., Bentz, M. C.

“…We investigate and quantify the observed scatter in the empirical relationship between the broad line region size R and the luminosity of the active galactic…”
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THE STRUCTURE OF THE BROAD-LINE REGION IN ACTIVE GALACTIC NUCLEI. I. RECONSTRUCTED VELOCITY-DELAY MAPS by Grier, C J, Peterson, B M, Horne, Keith, Bentz, M C, Pogge, R W, Denney, K D, DE ROSA, G, Martini, Paul, Kochanek, C S, ZU, Y

“…We present velocity-resolved reverberation results for five active galactic nuclei. We recovered velocity-delay maps using the maximum entropy method for four…”
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REVERBERATION MAPPING RESULTS FOR FIVE SEYFERT 1 GALAXIES by Grier, C J, Peterson, B M, Pogge, R W, Denney, K D, Bentz, M C, Martini, Paul, Sergeev, S G, Kaspi, S, MINEZAKI, T, ZU, Y

“…We present the results from a detailed analysis of photometric and spectrophotometric data on five Seyfert 1 galaxies observed as a part of a recent…”
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Nature and statistical properties of quasar associated absorption systems in the XQ-100 Legacy Survey by Perrotta, S, D'Odorico, V, Prochaska, J X, Cristiani, S, Cupani, G, Ellison, S, Lopez, S, Becker, G D, Berg, T AM, Christensen, L, Denney, K D, Hamann, F, Paris, I, Vestergaard, M, Worseck, G

“…We statistically study the physical properties of a sample of narrow absorption line (NAL) systems looking for empirical evidences to distinguish between…”
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Hunting for metals using XQ-100 Legacy Survey composite spectra by Perrotta, S, D’Odorico, V, Hamann, F, Cristiani, S, Prochaska, J X, Ellison, S L, Lopez, S, Cupani, G, Becker, G, Berg, T A M, Christensen, L, Denney, K D, Worseck, G

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THE SLOAN DIGITAL SKY SURVEY REVERBERATION MAPPING PROJECT: BIASES IN z > 1.46 REDSHIFTS DUE TO QUASAR DIVERSITY by Denney, K. D., Horne, Keith, Brandt, W. N., Grier, C. J., Ho, Luis C., Peterson, B. M., Trump, J. R., Ge, J.

“…ABSTRACT We use the coadded spectra of 32 epochs of Sloan Digital Sky Survey (SDSS) Reverberation Mapping Project observations of 482 quasars with z > 1.46 to…”
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REVERBERATION MAPPING OF THE SEYFERT 1 GALAXY NGC7469 by Peterson, B M, Grier, C J, Horne, Keith, Pogge, R W, Bentz, M C, DE ROSA, G, Denney, K D, Martini, Paul, Sergeev, S G, Kaspi, S

“…A large reverberation-mapping study of the Seyfert 1 galaxy NGC 7469 has yielded emission-line lags for H beta [lambda]4861 and He II [lambda]4686 and a…”
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Erratum: “The Sloan Digital Sky Survey Reverberation Mapping Project: Hα and Hβ Reverberation Measurements from First-year Spectroscopy and Photometry” (2017, ApJ, 851, 21) by Grier, C. J., Trump, J. R., Shen, Yue, Horne, Keith, Kinemuchi, Karen, McGreer, Ian D., Starkey, D. A., Brandt, W. N., Hall, P. B., Kochanek, C. S., Chen, Yuguang, Denney, K. D., Greene, Jenny E., Ho, L. C., Homayouni, Y., Li, Jennifer I-Hsiu, Pei, Liuyi, Peterson, B. M., Petitjean, P., Schneider, D. P., Sun, Mouyuan, AlSayyad, Yusura, Bizyaev, Dmitry, Brinkmann, Jonathan, Brownstein, Joel R., Bundy, Kevin, Dawson, K S., Eftekharzadeh, Sarah, Fernandez-Trincado, J. G., Gao, Yang, Hutchinson, Timothy A., Jia, Siyao, Jiang, Linhua, Oravetz, Daniel, Pan, Kaike, Paris, Isabelle, Ponder, Kara A., Peters, Christina, Rogerson, Jesse, Simmons, Audrey, Smith, Robyn, Wang, Ran

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A Revised Broad-line Region Radius and Black Hole Mass for the Narrow-line Seyfert 1 NGC 4051 by Denney, K. D, Watson, L. C, Peterson, B. M, Pogge, R. W, Atlee, D. W, Bentz, M. C, Bird, J. C, Brokofsky, D. J, Comins, M. L, Dietrich, M, Doroshenko, V. T, Eastman, J. D, Efimov, Y. S, Gaskell, C. M, Hedrick, C. H, Klimanov, S. A, Klimek, E. S, Kruse, A. K, Lamb, J. B, Leighly, K, Minezaki, T, Nazarov, S. V, Petersen, E. A, Peterson, P, Poindexter, S, Schlesinger, Y, Sakata, K. J, Sergeev, S. G, Tobin, J. J, Unterborn, C, Vestergaard, M, Watkins, A. E, Yoshii, Y

“…We present the first results from a high sampling rate, multimonth reverberation mapping campaign undertaken primarily at MDM Observatory with supporting…”
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