Search Results - "Vestergaard, Marianne"

Gemini GNIRS Near-infrared Spectroscopy of 50 Quasars at z 5.7 by Shen, Yue, Wu, Jin, Jiang, Linhua, Bañados, Eduardo, Fan, Xiaohui, Ho, Luis C., Riechers, Dominik A., Strauss, Michael A., Venemans, Bram, Vestergaard, Marianne, Walter, Fabian, Wang, Feige, Willott, Chris, Wu, Xue-Bing, Yang, Jinyi

“…We report initial results from a large Gemini program to observe z 5.7 quasars with GNIRS near-IR spectroscopy. Our sample includes 50 quasars with…”
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Determining Central Black Hole Masses in Distant Active Galaxies and Quasars. II. Improved Optical and UV Scaling Relationships by Vestergaard, Marianne, Peterson, Bradley M

“…We present four improved empirical relationships useful for estimating the central black hole mass in nearby AGNs and distant luminous quasars alike using…”
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The Radius-Luminosity Relationship for Active Galactic Nuclei: The Effect of Host-Galaxy Starlight on Luminosity Measurements. II. The Full Sample of Reverberation-Mapped AGNs by Bentz, Misty C, Peterson, Bradley M, Netzer, Hagai, Pogge, Richard W, Vestergaard, Marianne

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THE LOW-LUMINOSITY END OF THE RADIUS-LUMINOSITY RELATIONSHIP FOR ACTIVE GALACTIC NUCLEI by Bentz, Misty C, Denney, Kelly D, Grier, Catherine J, Barth, Aaron J, Peterson, Bradley M, Vestergaard, Marianne, BENNERT, VARDHA N, Canalizo, Gabriela, De Rosa, Gisella, Filippenko, Alexei V

“…We present an updated and revised analysis of the relationship between the H beta broad-line region (BLR) radius and the luminosity of the active galactic…”
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Metallicity in Quasar Broad-line Regions at Redshift ∼ 6 by Wang, Shu, Jiang, Linhua, Shen, Yue, Ho, Luis C., Vestergaard, Marianne, Bañados, Eduardo, Willott, Chris J., Wu, Jin, Zou, Siwei, Yang, Jinyi, Wang, Feige, Fan, Xiaohui, Wu, Xue-Bing

“…Abstract Broad-line regions (BLRs) in high-redshift quasars provide crucial information on chemical enrichment in the early universe. Here we present a study…”
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Constraints on Black Hole Growth, Quasar Lifetimes, and Eddington Ratio Distributions from the SDSS Broad-line Quasar Black Hole Mass Function by Kelly, Brandon C, Vestergaard, Marianne, Fan, Xiaohui, Hopkins, Philip, Hernquist, Lars, Siemiginowska, Aneta

“…We present an estimate of the black hole mass function of broad-line quasars (BLQSOs) that self-consistently corrects for incompleteness and the statistical…”
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Comprehensive study of a z = 2.35 DLA Galaxy: mass, metallicity, age, morphology and SFR from HST and VLT by Krogager, Jens-Kristian, Fynbo, Johan P. U., Ledoux, Cédric, Christensen, Lise, Gallazzi, Anna, Laursen, Peter, Møller, Palle, Noterdaeme, Pasquier, Péroux, Céline, Pettini, Max, Vestergaard, Marianne

“…We present a detailed study of the emission from a z = 2.35 galaxy that causes damped Lyman α absorption in the spectrum of the background quasar (QSO), SDSS…”
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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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The Relationship between Luminosity and Broad-Line Region Size in Active Galactic Nuclei by Kaspi, Shai, Maoz, Dan, Netzer, Hagai, Peterson, Bradley M, Vestergaard, Marianne, Jannuzi, Buell T

“…We reinvestigate the relationship between the characteristic broad-line region size (R sub(BLR)) and the Balmer emission-line, X-ray, UV, and optical continuum…”
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THE BLACK HOLE MASS OF NGC 4151. II. STELLAR DYNAMICAL MEASUREMENT FROM NEAR-INFRARED INTEGRAL FIELD SPECTROSCOPY by Onken, Christopher A, Valluri, Monica, Brown, Jonathan S, McGregor, Peter J, Peterson, Bradley M, Bentz, Misty C, Ferrarese, Laura, Pogge, Richard W, Vestergaard, Marianne, Storchi-Bergmann, Thaisa, Riffel, Rogemar A

“…We present a revised measurement of the mass of the central black hole (M sub(BH)) in the Seyfert 1 galaxy NGC 4151. When our models attempt to fit both the…”
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Systematic Uncertainties in Black Hole Masses Determined from Single-Epoch Spectra by Denney, Kelly D, Peterson, Bradley M, Dietrich, Matthias, Vestergaard, Marianne, Bentz, Misty C

“…We explore the nature of systematic errors that can arise in measurement of black hole masses from single-epoch (SE) spectra of active galactic nuclei (AGNs)…”
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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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Supermassive Black Holes in Active Galactic Nuclei. II. Calibration of the Black Hole Mass-Velocity Dispersion Relationship for Active Galactic Nuclei by Onken, Christopher A, Ferrarese, Laura, Merritt, David, Peterson, Bradley M, Pogge, Richard W, Vestergaard, Marianne, Wandel, Amri

“…We calibrate reverberation-based black hole (BH) masses in active galactic nuclei (AGNs) by using the correlation between BH mass, M sub(BH), and…”
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Outflows and the Physical Properties of Quasars by Ganguly, Rajib, Brotherton, Michael S, Cales, Sabrina, Scoggins, Brian, Shang, Zhaohui, Vestergaard, Marianne

“…We have investigated a sample of 5088 quasars from the SDSS DR2 in order to determine how the frequency and properties of BALs depend on black hole mass,…”
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A Flexible Method of Estimating Luminosity Functions by Kelly, Brandon C, Fan, Xiaohui, Vestergaard, Marianne

“…We describe a Bayesian approach to estimating luminosity functions. We derive the likelihood function and posterior probability distribution for the luminosity…”
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A Reverberation-based Mass for the Central Black Hole in NGC 4151 by Bentz, Misty C, Denney, Kelly D, Cackett, Edward M, Dietrich, Matthias, Fogel, Jeffrey K. J, Ghosh, Himel, Horne, Keith, Kuehn, Charles, Minezaki, Takeo, Onken, Christopher A, Peterson, Bradley M, Pogge, Richard W, Pronik, Vladimir I, Richstone, Douglas O, Sergeev, Sergey G, Vestergaard, Marianne, Walker, Matthew G, Yoshii, Yuzuru

“…We have undertaken a new ground-based monitoring campaign to improve the estimates of the mass of the central black hole in NGC 4151. We measure the lag time…”
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NGC 5548 in a Low-Luminosity State: Implications for the Broad-Line Region by Bentz, Misty C, Denney, Kelly D, Cackett, Edward M, Dietrich, Matthias, Fogel, Jeffrey K. J, Ghosh, Himel, Horne, Keith D, Kuehn, Charles, Minezaki, Takeo, Onken, Christopher A, Peterson, Bradley M, Pogge, Richard W, Pronik, Vladimir I, Richstone, Douglas O, Sergeev, Sergey G, Vestergaard, Marianne, Walker, Matthew G, Yoshii, Yuzuru

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The Mass of the Black Hole in the Seyfert 1 Galaxy NGC 4593 from Reverberation Mapping by Denney, Kelly D, Bentz, Misty C, Peterson, Bradley M, Pogge, Richard W, Cackett, Edward M, Dietrich, Matthias, Fogel, Jeffrey K. J, Ghosh, Himel, Horne, Keith D, Kuehn, Charles, Minezaki, Takeo, Onken, Christopher A, Pronik, Vladimir I, Richstone, Douglas O, Sergeev, Sergey G, Vestergaard, Marianne, Walker, Matthew G, Yoshii, Yuzuru

“…We present new observations leading to an improved black hole mass estimate for the Seyfert 1 galaxy NGC 4593 as part of a reverberation-mapping campaign…”
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The Black Hole Mass of NGC 4151: Comparison of Reverberation Mapping and Stellar Dynamical Measurements by Onken, Christopher A, Valluri, Monica, Peterson, Bradley M, Pogge, Richard W, Bentz, Misty C, Ferrarese, Laura, Vestergaard, Marianne, Crenshaw, D. Michael, Sergeev, Sergey G, McHardy, Ian M, Merritt, David, Bower, Gary A, Heckman, Timothy M, Wandel, Amri

“…We present a stellar dynamical estimate of the black hole (BH) mass in the Seyfert 1 galaxy, NGC 4151. We analyze ground-based spectroscopy as well as imaging…”
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Black hole masses in active galactic nuclei by Vestergaard, Marianne

“…The masses of supermassive black holes, key to many cosmological studies, are highly uncertain beyond our local Universe. The main challenge is to establish…”
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