Search Results - "FREDERICK, B."

Sjogren's syndrome: Clinical aspects by Vivino, Frederick B

“…Abstract Sjogren's syndrome (SS) is the 2nd most common chronic autoimmune rheumatic disease and associated with a high burden of illness. Morbidity arises not…”
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The Opacity of the Intergalactic Medium Measured along Quasar Sightlines at z ∼ 6 by Eilers, Anna-Christina, Davies, Frederick B., Hennawi, Joseph F.

“…We publicly release a new sample of 34 medium resolution quasar spectra at 5.77 ≤ zem ≤ 6.54 observed with the Echellette Spectrograph and Imager on the Keck…”
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Large fluctuations in the high-redshift metagalactic ionizing background by D'Aloisio, Anson, McQuinn, Matthew, Davies, Frederick B., Furlanetto, Steven R.

“…Abstract Recent observations have shown that the scatter in opacities amongst coeval segments of the Ly α forest increases rapidly at z > 5. In this paper, we…”
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Large fluctuations in the hydrogen-ionizing background and mean free path following the epoch of reionization by Davies, Frederick B., Furlanetto, Steven R.

“…Extremely large opaque troughs in the Lyα forest have been interpreted as a sign of an extended reionization process below z ∼ 6. Such features are impossible…”
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Magnetoresistive Random Access Memory: Present and Future by Ikegawa, Sumio, Mancoff, Frederick B., Janesky, Jason, Aggarwal, Sanjeev

“…Magnetoresistive random access memory (MRAM) is regarded as a reliable persistent memory technology because of its long data retention and robust endurance…”
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The Structure and Dynamics of the Subparsec Jet in M87 Based on 50 VLBA Observations over 17 Years at 43 GHz by Walker, R. Craig, Hardee, Philip E., Davies, Frederick B., Ly, Chun, Junor, William

“…The central radio source in M87 provides the best opportunity to study jet formation because it has a large angular size for the gravitational radius of the…”
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Ionization bias and the ghost proximity effect near z ≳ 6 quasars in the shadow of proximate absorption systems by Davies, Frederick B

“…ABSTRACT The larger-than-expected scatter in the opacity of the Ly α forest suggests that the metagalactic ionizing background is strongly fluctuating at $z$ >…”
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First Spectroscopic Study of a Young Quasar by Eilers, Anna-Christina, Hennawi, Joseph F., Davies, Frederick B.

“…The quasar lifetime tQ is one of the most fundamental quantities for understanding quasar evolution and the growth of supermassive black holes (SMBHs), but…”
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Quantitative Constraints on the Reionization History from the IGM Damping Wing Signature in Two Quasars at z > 7 by Davies, Frederick B., Hennawi, Joseph F., Bañados, Eduardo, Luki, Zarija, Decarli, Roberto, Fan, Xiaohui, Farina, Emanuele P., Mazzucchelli, Chiara, Rix, Hans-Walter, Venemans, Bram P., Walter, Fabian, Wang, Feige, Yang, Jinyi

“…During reionization, neutral hydrogen in the intergalactic medium (IGM) imprints a damping wing absorption feature on the spectrum of high-redshift quasars. A…”
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An 800-million-solar-mass black hole in a significantly neutral Universe at a redshift of 7.5 by Bañados, Eduardo, Venemans, Bram P., Mazzucchelli, Chiara, Farina, Emanuele P., Walter, Fabian, Wang, Feige, Decarli, Roberto, Stern, Daniel, Fan, Xiaohui, Davies, Frederick B., Hennawi, Joseph F., Simcoe, Robert A., Turner, Monica L., Rix, Hans-Walter, Yang, Jinyi, Kelson, Daniel D., Rudie, Gwen C., Winters, Jan Martin

“…Observations of a quasar at redshift 7.54, when the Universe was just five per cent of its current age, suggest that the Universe was significantly neutral at…”
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Implications of z ∼ 6 Quasar Proximity Zones for the Epoch of Reionization and Quasar Lifetimes by Eilers, Anna-Christina, Davies, Frederick B., Hennawi, Joseph F., Prochaska, J. Xavier, Luki, Zarija, Mazzucchelli, Chiara

“…We study quasar proximity zones in the redshift range 5.77 ≤ z ≤ 6.54 by homogeneously analyzing 34 medium-resolution spectra, encompassing both archival and…”
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A Significantly Neutral Intergalactic Medium Around the Luminous z = 7 Quasar J0252-0503 by Wang, Feige, Davies, Frederick B., Yang, Jinyi, Hennawi, Joseph F., Fan, Xiaohui, Barth, Aaron J., Jiang, Linhua, Wu, Xue-Bing, Mudd, Dale M., Bañados, Eduardo, Bian, Fuyan, Decarli, Roberto, Eilers, Anna-Christina, Farina, Emanuele Paolo, Venemans, Bram, Walter, Fabian, Yue, Minghao

“…Luminous z ≥ 7 quasars provide direct probes of the evolution of supermassive black holes (SMBHs) and the intergalactic medium (IGM) during the epoch of…”
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Whole-brain calcium imaging with cellular resolution in freely behaving Caenorhabditis elegans by Nguyen, Jeffrey P., Shipley, Frederick B., Linder, Ashley N., Plummer, George S., Liu, Mochi, Setru, Sagar U., Shaevitz, Joshua W., Leifer, Andrew M.

“…The ability to acquire large-scale recordings of neuronal activity in awake and unrestrained animals is needed to provide new insights into how populations of…”
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The first measurement of the quasar lifetime distribution by Khrykin, Ilya S, Hennawi, Joseph F, Worseck, Gábor, Davies, Frederick B

“…ABSTRACT Understanding the growth of the supermassive black holes (SMBH) powering luminous quasars, their co-evolution with host galaxies, and impact on the…”
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Low Frequency Systemic Hemodynamic "Noise" in Resting State BOLD fMRI: Characteristics, Causes, Implications, Mitigation Strategies, and Applications by Tong, Yunjie, Hocke, Lia M, Frederick, Blaise B

“…Advances in functional magnetic resonance imaging (fMRI) acquisition have improved signal to noise to the point where the physiology of the subject is the…”
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Evidence for Large-scale Fluctuations in the Metagalactic Ionizing Background Near Redshift Six by Becker, George D., Davies, Frederick B., Furlanetto, Steven R., Malkan, Matthew A., Boera, Elisa, Douglass, Craig

“…The observed scatter in intergalactic Ly opacity at z 6 requires large-scale fluctuations in the neutral fraction of the intergalactic medium (IGM) after the…”
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Unusual Diagnosis of Multiple Small Bowel Masses by Pungwe, Prisca, Peng, Frederick B., Hair, Clark

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Increasing socioeconomic disparities in adolescent obesity by Frederick, Carl B., Snellman, Kaisa, Putnam, Robert D.

“…Recent reports suggest that the rapid growth in youth obesity seen in the 1980s and 1990s has plateaued. We examine changes in obesity among US adolescents…”
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Time-dependent behaviour of quasar proximity zones at z ∼ 6 by Davies, Frederick B, Hennawi, Joseph F, Eilers, Anna-Christina

“…ABSTRACT Since the discovery of z ∼ 6 quasars two decades ago, studies of their Ly α-transparent proximity zones have largely focused on their utility as a…”
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Detecting and Characterizing Young Quasars. I. Systemic Redshifts and Proximity Zone Measurements by Eilers, Anna-Christina, Hennawi, Joseph F., Decarli, Roberto, Davies, Frederick B., Venemans, Bram, Walter, Fabian, Bañados, Eduardo, Fan, Xiaohui, Farina, Emanuele P., Mazzucchelli, Chiara, Novak, Mladen, Schindler, Jan-Torge, Simcoe, Robert A., Wang, Feige, Yang, Jinyi

“…In a multiwavelength survey of 13 quasars at 5.8 z 6.5, which were preselected to be potentially young, we find five objects with extremely small proximity…”
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