Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Mackenzie L. Jones"'
Autor:
Kieran Parker, W. P. Maksym, Junfeng Wang, A. Siemiginowska, Alessandro Paggi, Martin Elvis, Giuseppina Fabbiano, Mackenzie L. Jones, Jingzhe Ma, Margarita Karovska
We present the spatial analysis of five Compton thick (CT) active galactic nuclei (AGNs), including MKN 573, NGC 1386, NGC 3393, NGC 5643, and NGC 7212, for which high resolution Chandra observations are available. For each source, we find hard X-ray
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56c4851be4bce5dfcb8d22267338dea5
http://arxiv.org/abs/2101.11625
http://arxiv.org/abs/2101.11625
Autor:
Giuseppina Fabbiano, A. Siemiginowska, Alessandro Paggi, Martin Elvis, W. P. Maksym, John C. Raymond, Margarita Karovska, Mackenzie L. Jones
Recent observations of nearby Compton thick (CT) active galactic nuclei (AGNs) with Chandra have resolved hard (>3 keV) X-ray emission extending out from the central supermassive black hole to kiloparsec scales, challenging the long-held belief that
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::225f4f7f0797821dc3ebf9e4c6c437ee
http://arxiv.org/abs/2003.02271
http://arxiv.org/abs/2003.02271
Autor:
Mackenzie L. Jones, Jingzhe Ma, Guido Risaliti, Giuseppina Fabbiano, Mislav Baloković, Martin Elvis, W. Peter Maksym
The recent Chandra discovery of extended $\sim$kpc-scale hard ($>$ 3 keV) X-ray emission in nearby Compton-thick (CT) active galactic nuclei (AGN) opens a new window to improving AGN torus modeling and investigating how the central super massive blac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::088b6b9f91d051ee88308e0d65b12fd9
Autor:
Brent A. Modereger, Michael E. Peretich, Hilkka I. Kenttämaa, Wan Tang Jeff Zhang, Mackenzie L. Jones, Nathan C. Chapman, Yingxuan Cheng, Petr Vozka, Sarah E. Nowling, Gozdem Kilaz
Publikováno v:
Fuel. 305:121399
Chemical and physical properties of jet fuel can change during storage or transportation, potentially rendering the fuel unsafe or unsuitable for use. Thus, it is crucial that the chemical and physical properties determined for a jet fuel accurately
Autor:
Ryan C. Hickox, Raphael E. Hviding, Mackenzie L. Jones, Wei Yan, Kevin N. Hainline, Christopher M. Carroll, M. A. DiPompeo
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 474:1955-1969
We present the results of an optical spectroscopic survey of 46 heavily obscured quasar candidates. Objects are selected using their mid-infrared (mid-IR) colours and magnitudes from the Wide-Field Infrared Survey Explorer (WISE) and their optical ma
Autor:
John A. Peacock, Ryan C. Hickox, James E. Geach, M. C. Burchard, Mackenzie L. Jones, Adam D. Myers
Publikováno v:
The Astrophysical Journal
We measure the average deflection of cosmic microwave background photons by quasars at $\langle z \rangle =1.7$. Our sample is selected from the Sloan Digital Sky Survey to cover the redshift range $0.9\leq z\leq2.2$ with absolute i-band magnitudes o
Autor:
Ryan C. Hickox, L. P. Grimmett, E. Bernhard, Mackenzie L. Jones, James Mullaney, F. Stanley, Emanuele Daddi, James Aird
The lack of a strong correlation between AGN X-ray luminosity ($L_X$; a proxy for AGN power) and the star formation rate (SFR) of their host galaxies has recently been attributed to stochastic AGN variability. Studies using population synthesis model
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::645e40019cc1a82429e111c04eb0f24a
Autor:
Darren J. Croton, Michael A. DiPompeo, Mackenzie L. Jones, Ryan C. Hickox, Andrew Ptak, Simon J. Mutch
In studies of the connection between active galactic nuclei (AGN) and their host galaxies there is widespread disagreement on some key aspects stemming largely from a lack of understanding of the nature of the full underlying AGN population. Recent a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ad588e01c35616280e39cba8bee0c45
http://arxiv.org/abs/1706.00430
http://arxiv.org/abs/1706.00430
Autor:
Darren J. Croton, Andrew Ptak, Michael A. DiPompeo, Mackenzie L. Jones, Simon J. Mutch, Ryan C. Hickox
Publikováno v:
The Astrophysical Journal. 881:110
We present a simple semi-numerical model designed to explore black hole growth and galaxy evolution. This method builds on a previous model for black hole accretion that uses a semi-numerical galaxy formation model and universal Eddington ratio distr
Autor:
Kevin N. Hainline, Alexandros S. Zervos, Chien-Ting J. Chen, Ryan C. Hickox, Mackenzie L. Jones, Christopher M. Carroll, Andy D. Goulding
Publikováno v:
NASA Astrophysics Data System
We explore the gas ionization and kinematics, as well as the optical--IR spectral energy distributions for UGC 11185, a nearby pair of merging galaxies hosting obscured active galactic nuclei (AGNs), also known as SDSS J181611.72+423941.6 and J181609
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12e8ba44ab1e98046798b7a1d3bf9b15
http://arxiv.org/abs/1603.06589
http://arxiv.org/abs/1603.06589