Search Results - "Peterson, Bradley M"

Measuring the Masses of Supermassive Black Holes by Peterson, Bradley M.

“…Supermassive black holes reside at the centers of most, if not all, massive galaxies: the difference between active and quiescent galaxies is due to…”
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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 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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SUPERMASSIVE BLACK HOLES, PSEUDOBULGES, AND THE NARROW-LINE SEYFERT 1 GALAXIES by MATHUR, Smita, FIELDS, Dale, PETERSON, Bradley M, GRUPE, Dirk

“…We present Hubble Space Telescope Advanced Camera for Surveys (ACS) observations of 10 galaxies that host narrow-line Seyfert 1 (NLS1) nuclei, believed to…”
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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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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 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 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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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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A near-infrared relationship for estimating black hole masses in active galactic nuclei by Landt, Hermine, Ward, Martin J., Peterson, Bradley M., Bentz, Misty C., Elvis, Martin, Korista, Kirk T., Karovska, Margarita

“…Black hole masses for samples of active galactic nuclei (AGN) are currently estimated from single-epoch optical spectra using scaling relations anchored in…”
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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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Keplerian Motion of Broad-Line Region Gas as Evidence for Supermassive Black Holes in Active Galactic Nuclei by Peterson, Bradley M, Wandel, Amri

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The Mass of the Central Black Hole in the Seyfert Galaxy NGC 4151 by Metzroth, Kyle G, Onken, Christopher A, Peterson, Bradley M

“…In order to improve the reverberation-mapping-based estimate of the mass of the central supermassive black hole in the Seyfert 1 galaxy NGC 4151, we have…”
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Multiwavelength Monitoring of the Dwarf Seyfert 1 Galaxy NGC 4395. I. A Reverberation-based Measurement of the Black Hole Mass by Peterson, Bradley M, Bentz, Misty C, Desroches, Louis-Benoit, Filippenko, Alexei V, Ho, Luis C, Kaspi, Shai, Laor, Ari, Maoz, Dan, Moran, Edward C, Pogge, Richard W, Quillen, Alice C

“…A reverberation-mapping program on NGC 4395, the least luminous known Seyfert 1 galaxy, undertaken with the Space Telescope Imaging Spectrograph on the Hubble…”
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Observational Requirements for High‐Fidelity Reverberation Mapping by Horne, Keith, Peterson, Bradley M., Collier, Stefan J., Netzer, Hagai

“…We present a series of simulations to demonstrate that high‐fidelity velocity‐delay maps of the emission‐line regions in active galactic nuclei (AGNs) can be…”
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On Uncertainties in Cross‐Correlation Lags and the Reality of Wavelength‐dependent Continuum Lags in Active Galactic Nuclei by Peterson, Bradley M. , Wanders, Ignaz , Horne, Keith , Collier, Stefan , Alexander, Tal , Kaspi, Shai , Maoz, Dan 

“…We describe a model‐independent method of assessing the uncertainties in cross‐correlation lags determined from the light curves of active galactic nuclei…”
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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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