Search Results - "Grier, C."

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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STELLAR VELOCITY DISPERSION MEASUREMENTS IN HIGH-LUMINOSITY QUASAR HOSTS AND IMPLICATIONS FOR THE AGN BLACK HOLE MASS SCALE by Grier, C J, Martini, P, Watson, L C, Peterson, B M, Bentz, M C, DASYRA, K M, Dietrich, M, Ferrarese, L, Pogge, R W, ZU, Y

“…We present new stellar velocity dispersion measurements for four luminous quasars with the Near-Infrared Integral Field Spectrometer instrument and the ALTAIR…”
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THE SLOAN DIGITAL SKY SURVEY REVERBERATION MAPPING PROJECT: VELOCITY SHIFTS OF QUASAR EMISSION LINES by Shen, Yue, Brandt, W. N., Richards, Gordon T., Denney, Kelly D., Greene, Jenny E., Grier, C. J., Ho, Luis C., Peterson, Bradley M., Petitjean, Patrick, Schneider, Donald P., Tao, Charling, Trump, Jonathan R.

“…ABSTRACT Quasar emission lines are often shifted from the systemic velocity due to various dynamical and radiative processes in the line-emitting region. The…”
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Taking a Long Look: A Two-decade Reverberation Mapping Study of High-luminosity Quasars by Kaspi, Shai, Brandt, W. N., Maoz, Dan, Netzer, Hagai, Schneider, Donald P., Shemmer, Ohad, Grier, C. J.

“…Abstract Reverberation mapping (RM) of active galactic nuclei (AGNs) has been used over the past three decades to determine AGN broad-line region (BLR) sizes…”
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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 Sloan Digital Sky Survey Reverberation Mapping Project: Accretion Disk Sizes from Continuum Lags by Homayouni, Y., Trump, Jonathan R., Grier, C. J., Shen, Yue, Starkey, D. A., Brandt, W. N., Alvarez, G. Fonseca, Hall, P. B., Horne, Keith, Kinemuchi, Karen, Li, Jennifer I-Hsiu, McGreer, Ian D., Sun, Mouyuan, Ho, L. C., Schneider, D. P.

“…We present accretion disk structure measurements from continuum lags in the Sloan Digital Sky Survey Reverberation Mapping (SDSS-RM) project. Lags are measured…”
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The Sloan Digital Sky Survey Reverberation Mapping Project: The Hβ Radius-Luminosity Relation by Fonseca Alvarez, Gloria, Trump, Jonathan R., Homayouni, Y., Grier, C. J., Shen, Yue, Horne, Keith, Li, Jennifer I-Hsiu, Brandt, W. N., Ho, Luis C., Peterson, B. M., Schneider, D. P.

“…Results from a few decades of reverberation mapping (RM) studies have revealed a correlation between the radius of the broad-line emitting region (BLR) and the…”
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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 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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THE SLOAN DIGITAL SKY SURVEY REVERBERATION MAPPING PROJECT: FIRST BROAD-LINE Hβ AND Mg ii LAGS AT z 0.3 FROM SIX-MONTH SPECTROSCOPY by Shen, Yue, Horne, Keith, Grier, C. J., Peterson, Bradley M., Denney, Kelly D., Trump, Jonathan R., Sun, Mouyuan, Brandt, W. N., Kochanek, Christopher S., Dawson, Kyle S., Green, Paul J., Greene, Jenny E., Hall, Patrick B., Ho, Luis C., Jiang, Linhua, Kinemuchi, Karen, McGreer, Ian D., Petitjean, Patrick, Richards, Gordon T., Schneider, Donald P., Strauss, Michael A., Tao, Charling, Wood-Vasey, W. M., Zu, Ying, Pan, Kaike, Bizyaev, Dmitry, Ge, Jian, Oravetz, Daniel, Simmons, Audrey

“…ABSTRACT Reverberation mapping (RM) measurements of broad-line region (BLR) lags in quasars are important for directly measuring black hole masses in these…”
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Detection of Time Lags between Quasar Continuum Emission Bands Based On Pan-STARRS Light Curves by Jiang (姜燕飞), Yan-Fei, Green, Paul J., Greene, Jenny E., Morganson, Eric, Shen, Yue, Pancoast, Anna, MacLeod, Chelsea L., Anderson, Scott F., Brandt, W. N., Grier, C. J., Rix, H.-W., Ruan, John J., Protopapas, Pavlos, Scott, Caroline, Burgett, W. S., Hodapp, K. W., Huber, M. E., Kaiser, N., Kudritzki, R. P., Magnier, E. A., Metcalfe, N., Tonry, J. T., Wainscoat, R. J., Waters, C.

“…We study the time lags between the continuum emission of quasars at different wavelengths, based on more than four years of multi-band (g, r, i, z) light…”
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The Sloan Digital Sky Survey Reverberation Mapping Project: Low-ionization Broad-line Widths and Implications for Virial Black Hole Mass Estimation by Wang, Shu, Shen, Yue, Jiang, Linhua, Horne, Keith, Brandt, W. N., Grier, C. J., Ho, Luis C., Homayouni, Yasaman, Li, Jennifer I-Hsiu, Schneider, Donald P., Trump, Jonathan R.

“…The width of the broad emission lines in quasars is commonly characterized by either the FWHM or the square root of the second moment of the line profile (…”
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Discovery of Nuclear X-ray Sources in Sings Galaxies by Grier, C. J, Mathur, S, Ghosh, H, Ferrarese, L

“…We present the results of a search for nuclear X-ray activity in nearby galaxies using Chandra archival data in a sample of 62 galaxies from the Spitzer…”
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The Sloan Digital Sky Survey Reverberation Mapping Project: Systematic Investigations of Short-timescale C IV Broad Absorption Line Variability by Hemler, Z. S., Grier, C. J., Brandt, W. N., Hall, P. B., Horne, Keith, Shen, Yue, Trump, J. R., Schneider, D. P., Vivek, M., Bizyaev, Dmitry, Oravetz, Audrey, Oravetz, Daniel, Pan, Kaike

“…We systematically investigate short-timescale (<10 day rest-frame) C iv broad absorption-line (BAL) variability to constrain quasar-wind properties and provide…”
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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 Cepheid Distance to the Seyfert 1 Galaxy NGC 4151 by Yuan, W., Fausnaugh, M. M., Hoffmann, S. L., Macri, L. M., Peterson, B. M., Riess, A. G., Bentz, M. C., Brown, J. S., Bontà, E. Dalla, Davies, R. I., Rosa, G. De, Ferrarese, L., Grier, C. J., Hicks, E. K. S., Onken, C. A., Pogge, R. W., Storchi-Bergmann, T., Vestergaard, M.

“…Abstract We derive a distance of 15.8 ± 0.4 Mpc to the archetypal Seyfert 1 galaxy NGC 4151 based on the near-infrared Cepheid period–luminosity relation and…”
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Tetracycline-induced mitohormesis mediates disease tolerance against influenza by Mottis, Adrienne, Li, Terytty Y, Alam, Gaby El, Rapin, Alexis, Katsyuba, Elena, Liaskos, David, D'Amico, Davide, Harris, Nicola L, Grier, Mark C, Mouchiroud, Laurent, Nelson, Mark L, Auwerx, Johan

“…Mitohormesis defines the increase in fitness mediated by adaptive responses to mild mitochondrial stress. Tetracyclines inhibit not only bacterial but also…”
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The Sloan Digital Sky Survey Reverberation Mapping Project: Accretion and Broad Emission Line Physics from a Hypervariable Quasar by Dexter, Jason, Xin, Shuo, Shen, Yue, Grier, C. J., Liu, Teng, Gezari, Suvi, McGreer, Ian D., Brandt, W. N., Hall, P. B., Horne, Keith, Simm, Torben, Merloni, Andrea, Green, Paul J., Vivek, M., Trump, Jonathan R., Homayouni, Yasaman, Peterson, B. M., Schneider, Donald P., Kinemuchi, K., Pan, Kaike, Bizyaev, Dmitry

“…We analyze extensive spectroscopic and photometric data of the hypervariable quasar SDSS J141324+530527 (RMID 017) at z = 0.456, an optical "changing-look"…”
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The Sloan Digital Sky Survey Reverberation Mapping Project: Comparison of Lag Measurement Methods with Simulated Observations by Li, Jennifer I-Hsiu, Shen, Yue, Brandt, W. N., Grier, C. J., Hall, P. B., Ho, L. C., Homayouni, Y., Horne, K., Schneider, D. P., Trump, J. R., Starkey, D. A.

“…We investigate the performance of different methodologies that measure the time lag between broad-line and continuum variations in reverberation mapping data…”
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