Search Results - "Donley, J. L."

Using the Bright Ultrahard XMM–Newton survey to define an IR selection of luminous AGN based on WISE colours by Mateos, S., Alonso‐Herrero, A., Carrera, F. J., Blain, A., Watson, M. G., Barcons, X., Braito, V., Severgnini, P., Donley, J. L., Stern, D.

“…ABSTRACT We present a highly complete and reliable mid‐infrared (MIR) colour selection of luminous active galactic nucleus (AGN) candidates using the 3.4, 4.6…”
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Spitzer's Contribution to the AGN Population by Donley, J. L, Rieke, G. H, Pérez-González, P. G, Barro, G

“…Infrared selection is a potentially powerful way to identify heavily obscured AGNs missed in even the deepest X-ray surveys. Using a 24 [mu]m- selected sample…”
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IDENTIFYING LUMINOUS ACTIVE GALACTIC NUCLEI IN DEEP SURVEYS: REVISED IRAC SELECTION CRITERIA by DONLEY, J. L, KOEKEMOER, A. M, SALVATO, M, SANDERS, D. B, TRUMP, J. R, ZAMORANI, G, BRUSA, M, CAPAK, P, CARDAMONE, C. N, CIVANO, F, ILBERT, O, IMPEY, C. D, KARTALTEPE, J. S, MIYAJI, T

“…Spitzer/IRAC selection is a powerful tool for identifying luminous active galactic nuclei (AGNs). For deep IRAC data, however, the AGN selection wedges…”
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The AGN, Star-forming, and Morphological Properties of Luminous IR-bright/optically-faint Galaxies by Donley, J. L, Rieke, G. H, Alexander, D. M, Egami, E, Pérez-González, P. G

“…We present the active galactic nucleus (AGN), star-forming, and morphological properties of a sample of 13 MIR-luminous (f {sub 24} {approx}> 700 {mu}Jy)…”
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Determining Star Formation Rates for Infrared Galaxies by Rieke, G. H, Alonso-Herrero, A, Weiner, B. J, Pérez-González, P. G, Blaylock, M, Donley, J. L, Marcillac, D

“…We show that measures of star formation rates (SFRs) for infrared galaxies using either single-band 24 is a subset of m or extinction-corrected Pa alpha…”
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Unveiling a Population of AGNs Not Detected in X-Rays by Donley, J. L, Rieke, G. H, Rigby, J. R, Pérez-González, P. G

“…We define a sample of 27 radio-excess AGNs in the Chandra Deep Field- North by selecting galaxies that do not obey the radio/infrared correlation for…”
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Evidence for two modes of black hole accretion in massive galaxies at z∼2 by Rangel, C., Nandra, K., Barro, G., Brightman, M., Hsu, L., Salvato, M., Koekemoer, A. M., Brusa, M., Laird, E. S., Trump, J. R., Croton, D. J., Koo, D. C., Kocevski, D., Donley, J. L., Hathi, N. P., Peth, M., Faber, S. M., Mozena, M., Grogin, N. A., Ferguson, H. C., Lai, K.

“…We investigate the relationship between active galactic nucleus (AGN) activity and host galaxy properties using a sample of massive galaxies at z ∼ 2 in the…”
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Why X-Ray-selected Active Galactic Nuclei Appear Optically Dull by Rigby, J. R, Rieke, G. H, Donley, J. L, Alonso-Herrero, A, Pérez-González, P. G

“…We investigate why half of X-ray-selected active galactic nuclei (AGNs) in deep surveys lack signs of accretion in their optical spectra. The majority of these…”
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Mid-Infrared Properties of X-Ray Sources in the Extended Groth Strip by Barmby, P, Alonso-Herrero, A, Donley, J. L, Egami, E, Fazio, G. G, Georgakakis, A, Huang, J.-S, Laird, E. S, Miyazaki, S, Nandra, K, Park, S. Q, Pérez-González, P. G, Rieke, G. H, Rigby, J. R, Willner, S. P

“…Mid-infrared observations of active galactic nuclei (AGNs) are important for understanding the physical conditions around the central accretion engines…”
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Does the AGN Unified Model Evolve with Redshift? Using the X-Ray Background to Predict the Mid-Infrared Emission of AGNs by Ballantyne, D. R, Shi, Y, Rieke, G. H, Donley, J. L, Papovich, C, Rigby, J. R

“…Deep X-ray surveys by Chandra and XMM-Newton have resolved about 80% of the 2-10 keV cosmic extragalactic X-ray background (CXRB) into point sources, the…”
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Evidence for Merger-driven Growth in Luminous, High-z, Obscured AGNs in the CANDELS/COSMOS Field by Donley, J. L., Kartaltepe, J., Kocevski, D., Salvato, M., Santini, P., Suh, H., Civano, F., Koekemoer, A. M., Trump, J., Brusa, M., Cardamone, C., Castro, A., Cisternas, M., Conselice, C., Croton, D., Hathi, N., Liu, C., Lucas, R. A., Nair, P., Rosario, D., Sanders, D., Simmons, B., Villforth, C., Alexander, D. M., Bell, E. F., Faber, S. M., Grogin, N. A., Lotz, J., McIntosh, D. H., Nagao, T.

“…While major mergers have long been proposed as a driver of both active galactic nucleus (AGN) activity and the relation, studies of moderate to high-redshift…”
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A massive spiral galaxy in the Zone of Avoidance by Donley, J. L., Koribalski, B. S., Staveley-Smith, L., Kraan-Korteweg, R. C., Schröder, A., Henning, P. A.

“…We report the discovery of a very H i-massive disc galaxy, HIZOA J0836−43, at a velocity of v hel= 10 689 km s−1, corresponding to a distance of 148 Mpc…”
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The Hidden H I-Massive Luminous Infrared Galaxy HIZOA J0836–43: Inside-Out Galaxy Formation by Cluver, M. E, Jarrett, T. H, Appleton, P. N, Kraan-Korteweg, R. C, Woudt, P. A, Koribalski, B. S, Donley, J. L, Wakamatsu, K, Nagayama, T

“…HIZOA J0836-43 is an extreme gas-rich ([image] = 7.5 x 10 super(10) M sub([image])) disk galaxy which lies hidden behind the strongly obscuring Vela region of…”
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Why Optically Faint AGNs Are Optically Faint: The Spitzer Perspective by Rigby, J. R, Rieke, G. H, Pérez-González, P. G, Donley, J. L, Alonso-Herrero, A, Huang, J.-S, Barmby, P, Fazio, G. G

“…Optically faint X-ray sources (those with f sub(X)/f sub(R)> 10) constitute about 20% of X-ray sources in deep surveys and are potentially highly obscured…”
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Spitzer Power-Law Active Galactic Nucleus Candidates in the Chandra Deep Field-North by Donley, J. L, Rieke, G. H, Pérez-González, P. G, Rigby, J. R, Alonso-Herrero, A

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A Hubble Space Telescope Survey of Extended [O III] λ5007 Å Emission in a Far-Infrared-Selected Sample of Seyfert Galaxies: Results by Schmitt, H. R, Donley, J. L, Antonucci, R. R. J, Hutchings, J. B, Kinney, A. L, Pringle, J. E

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Evidence for Merger-Driven Growth in Luminous, High-z, Obscured AGN in the CANDELS/COSMOS Field by Donley, J. L, Kartaltepe, J, Kocevski, D, Salvato, M, Santini, P, Suh, H, Civano, F, Koekemoer, A. M, Trump, J, Brusa, M, Cardamone, C, Castro, A, Cisternas, M, Conselice, C, Croton, D, Hathi, N, Liu, C, Lucas, R. A, Nair, P, Rosario, D, Sanders, D, Simmons, B, Villforth, C, Alexander, D. M, Bell, E. F, Faber, S. M, Grogin, N. A, Lotz, J, McIntosh, D. H, Nagao, T

“…While major mergers have long been proposed as a driver of both AGN activity and the M-sigma relation, studies of moderate to high redshift Seyfert-luminosity…”
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Constraints on the star-formation rate of z~3 LBGs with measured metallicity in the CANDELS GOODS-South field by Castellano, M, Sommariva, V, Fontana, A, Pentericci, L, Santini, P, Grazian, A, Amorin, R, Donley, J. L, Dunlop, J. S, Ferguson, H. C, Fiore, F, Galametz, A, Giallongo, E, Guo, Yicheng, Huang, Kuang-Han, Koekemoer, A, Maiolino, R, McLure, R. J, Paris, D, Schaerer, D, Troncoso, P, Vanzella, E

“…We analyse 14 LBGs at z~2.8-3.8 constituting the only sample where both a spectroscopic measurement of their metallicity and deep IR observations (CANDELS+HUGS…”
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Using the Bright Ultra-Hard XMM-Newton Survey to define an IR selection of luminous AGN based on WISE colours by Mateos, S, Alonso-Herrero, A, Carrera, F. J, Blain, A, Watson, M. G, Barcons, X, Braito, V, Severgnini, P, Donley, J. L, Stern, D

“…We present a highly complete and reliable mid-infrared (MIR) colour selection of luminous AGN candidates using the 3.4, 4.6, and 12 um bands of the WISE…”
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Using the Bright Ultrahard XMM-Newton survey to define an IR selection of luminous AGN based on WISE colours: AGN selection with WISE by Mateos, S., Alonso-Herrero, A., Carrera, F. J., Blain, A., Watson, M. G., Barcons, X., Braito, V., Severgnini, P., Donley, J. L., Stern, D.

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