A Runaway Black Hole in COSMOS: Gravitational Wave or Slingshot Recoil? (2010)
Civano, F., Elvis, M., Lanzuisi, G., Jahnke, K., Zamorani, G., Blecha, L., ...
We present a detailed study of a peculiar source in the COSMOS survey at z=0.359. Source CXOCJ100043.1+020637 (CID-42) presents two compact optical sources embedded in the same galaxy. The distance...
Ultraluminous X-ray sources out to z~0.3 in the COSMOS field (2010)
Mainieri, V., Vignali, C., Merloni, A., Civano, F., Puccetti, S., Brusa, M., ...
Using Chandra observations we have identified a sample of seven off-nuclear X-ray sources, in the redshift range z=0.072-0.283, located within optically bright galaxies in the COSMOS Survey. Using...
Identifications and Photometric Redshifts of the 2 Ms Chandra Deep Field-South Sources (2010)
Luo, B., Brandt, W. N., Xue, Y. Q., Brusa, M., Alexander, D. M., Bauer, F. E., ...
[Abridged] We present reliable multiwavelength identifications and high-quality photometric redshifts for the 462 X-ray sources in the ~2 Ms Chandra Deep Field-South. Source identifications are...
Lutz, D., Mainieri, V., Rafferty, D., Shao, L., Hasinger, G., Weiss, A., ...
We study the co-existence of star formation and AGN activity in X-ray selected AGN by analyzing stacked 870um submm emission from a deep and wide map of the Extended Chandra Deep Field South,...
The Density Field of the 10k zCOSMOS Galaxies (2010)
Kovač, K., Lilly, S. J., Cucciati, O., Porciani, C., Iovino, A., Zamorani, G., ...
We use the current sample of ~10,000 zCOSMOS spectra of sources selected with I_(AB) < 22.5 to define the density field out to z ~ 1, with much greater resolution in the radial dimension than has...
Vergani, D., Zamorani, G., Lilly, S., Lamareille, F., Halliday, C., Scodeggio, M., ...
Aims. The identities of the main processes triggering and quenching star-formation in galaxies remain unclear. A key stage in evolution, however, appears to be represented by post-starburst galaxies....
The zCOSMOS redshift survey: how group environment alters global downsizing trends (2010)
Iovino, A., Cucciati, O., Scodeggio, M., Knobel, C., Kovač, K., Lilly, S., ...
Context. Groups of galaxies are a common environment, bridging the gap between starforming field galaxies and quiescent cluster galaxies. Within groups secular processes could be at play,...
Zucca, E., Bardelli, S., Bolzonella, M., Zamorani, G., Ilbert, O., Pozzetti, L., ...
Aims. An unbiased and detailed characterization of the galaxy luminosity function (LF) is a basic requirement in many astrophysical issues: it is of particular interest in assessing the role of the...
Properties and environment of Radio Emitting Galaxies in the VLA-zCOSMOS survey (2009)
Bardelli, S., Schinnerer, E., Smolcic, V., Zamorani, G., Zucca, E., Mignoli, M., ...
We investigate the properties and the environment of radio sources with optical counterpart from the combined VLA-COSMOS and zCOSMOS samples. The advantage of this sample is the availability of...
The nonlinear biasing of the 10k zCOSMOS galaxies up to z~1 (2009)
Kovac, K., Porciani, C., Lilly, S. J., Marinoni, C., Guzzo, L., Cucciati, O., ...
We use the overdensity field reconstructed in the volume of the COSMOS area to study the nonlinear biasing of the zCOSMOS galaxies. The galaxy overdensity field is reconstructed using the current...
Zucca, E., Bardelli, S., Bolzonella, M., Zamorani, G., Ilbert, O., Pozzetti, L., ...
(Abridged) We studied the evolution in the B band luminosity function to z~1 in the zCOSMOS 10k sample, for which both accurate galaxy classifications and a detailed description of the local density...
The 10k zCOSMOS: morphological transformation of galaxies in the group environment since z~1 (2009)
Kovac, K., Lilly, S. J., Knobel, C., Bolzonella, M., Iovino, A., Carollo, C. M., ...
We study the evolution of galaxies inside and outside of the group environment since z=1 using a large well defined set of groups and galaxies from the zCOSMOS-bright redshift survey in the COSMOS...
The zCOSMOS Redshift Survey: How group environment alters global downsizing trends (2009)
Iovino, A., Cucciati, O., Scodeggio, M., Knobel, C., Kovac, K., Lilly, S., ...
We took advantage of the wealth of information provided by the first ~10000 galaxies of the zCOSMOS-bright survey and its group catalogue to study the complex interplay between group environment and...
Vergani, D., Zamorani, G., Lilly, S. J., Lamareille, F., Halliday, C., Scodeggio, M., ...
The identities of the main processes triggering and quenching star-formation in galaxies remain unclear. A key stage in evolution, however, appears to be represented by post-starburst galaxies. To...
Bolzonella, M., Kovac, K., Pozzetti, L., Zucca, E., Cucciati, O., Lilly, S. J., ...
We study the impact of the environment on the evolution of galaxies in the zCOSMOS 10k sample in the redshift range 0.1
Tasca, L. A. M., Kneib, J. P., Iovino, A., Fevre, O. Le, Kovac, K., Bolzonella, M., ...
For more than two decades we have known that galaxy morphological segregation is present in the Local Universe. It is important to see how this relation evolves with cosmic time. To investigate how...
The zCOSMOS Survey. The dependence of clustering on luminosity and stellar mass at z=0.2-1 (2009)
Meneux, B., Guzzo, L., De La Torre, S., Porciani, C., Zamorani, G., Abbas, U., ...
We study the dependence of galaxy clustering on luminosity and stellar mass at redshifts z ~ [0.2-1] using the first zCOSMOS 10K sample. We measure the redshift-space correlation functions xi(rp,pi)...
Ongoing and Co-Evolving Star Formation in zCOSMOS Galaxies Hosting Active Galactic Nuclei (2009)
Silverman, J. D., Lamareille, F., Maier, C., Lilly, S. J., Mainieri, V., Brusa, M., ...
We present a study of the host galaxies of active galactic nucleus (AGN) selected from the zCOSMOS survey to establish if accretion onto supermassive black holes (SMBHs) and star formation are...
Discovery of the Most Distant Double-Peaked Emitter at z = 1.369 (2009)
Luo, B., Brandt, W. N., Silverman, J. D., Strateva, I. V., Bauer, F. E., Capak, P., ...
We report the discovery of the most distant double-peaked emitter, CXOECDFS J033115.0-275518, at z = 1.369. A Keck/DEIMOS spectrum shows a clearly double-peaked broad Mg II λ2799 emission line, with...
The Environments of Active Galactic Nuclei within the zCOSMOS Density Field (2009)
Silverman, J. D., Kovač, K., Knobel, C., Lilly, S., Bolzonella, M., Lamareille, F., ...
The impact of environment on active galactic nucleus (AGN) activity up to z ~ 1 is assessed by utilizing a mass-selected sample of galaxies from the 10k catalog of the zCOSMOS spectroscopic redshift...
Maier, C., Lilly, S. J., Zamorani, G., Scodeggio, M., Lamareille, F., Contini, T., ...
In order to try to understand the internal evolution of galaxies and relate this to the global evolution of the galaxy population, we present a comparative study of the dependence of star formation...
The density field of the 10k zCOSMOS galaxies (2009)
Kovac, K., Lilly, S. J., Cucciati, O., Porciani, C., Iovino, A., Zamorani, G., ...
We use the current sample of ~10,000 zCOSMOS spectra of sources selected with I(AB) < 22.5 to define the density field out to z~1, with much greater resolution in the radial dimension than has been...
An optical group catalogue to z = 1 from the zCOSMOS 10k sample (2009)
Knobel, C., Lilly, S. J., Iovino, A., Porciani, C., Kovac, K., Cucciati, O., ...
We present a galaxy group catalogue spanning the redshift range 0.1
Discovery of the Most-Distant Double-Peaked Emitter at z=1.369 (2009)
Luo, B., Brandt, W. N., Silverman, J. D., Strateva, I. V., Bauer, F. E., Capak, P., ...
We report the discovery of the most-distant double-peaked emitter, CXOECDFS J033115.0-275518, at z=1.369. A Keck/DEIMOS spectrum shows a clearly double-peaked broad Mg II $\lambda2799$ emission line,...
Maier, C., Lilly, S. J., Zamorani, G., Scodeggio, M., Lamareille, F., Contini, T., ...
In order to try to understand the internal evolution of galaxies and relate this to the global evolution of the galaxy population, we present a comparative study of the dependence of star formation...
Mignoli, M., Zamorani, G., Scodeggio, M., Cimatti, A., Halliday, C., Lilly, S. J., ...
Aims. We investigate the relationships between three main optical galaxy observables (spectral properties, colors, and morphology), exploiting the data set provided by the COSMOS/zCOSMOS survey. The...
Mignoli, M., Zamorani, G., Scodeggio, M., Cimatti, A., Halliday, C., Lilly, S. J., ...
Aims. We investigate the relationships between three main optical galaxy observables (spectral properties, colors, and morphology), exploiting the data set provided by the COSMOS/zCOSMOS survey. The...
An optical group catalog to z = 1 from the zCOSMOS 10 k sample (2009)
Knobel, C., Lilly, S. J., Iovino, A., Porciani, C., Kovac, K., Cucciati, O., ...
Discovery of the most distant double-peaked emitter at z = 1.369 (2009)
Luo, B., Brandt, W. N., Silverman, J. D., Strateva, I. V., Bauer, F. E., Capak, P., ...
Tasca, L. A. M., Kneib, J.-P., Iovino, A., Le Fèvre, O., Kovac, K., Bolzonella, M., ...
The zCOSMOS survey. The dependence of clustering on luminosity and stellar mass at z=0.2–1 (2009)
Meneux, B., Guzzo, L., De La Torre, S., Porciani, C., Zamorani, G., Abbas, U., ...
The zCOSMOS 10k-Bright Spectroscopic Sample (2009)
Lilly, S. J., LeBrun, V., Maier, C., Mainieri, V., Mignoli, M., Scodeggio, M., ...
Ongoing and co-evolving star formation in zCOSMOS galaxies hosting active galactic nuclei (2009)
Silverman, J. D., Lamareille, F., Maier, C., Lilly, S. J., Mainieri, V., Brusa, M., ...
The Environments of Active Galactic Nuclei within the zCOSMOS Density Field (2009)
Silverman, J. D., Kovac, K., Knobel, C., Lilly, S., Bolzonella, M., Lamareille, F., ...
Maier, C., Lilly, S. J., Zamorani, G., Scodeggio, M., Lamareille, F., Contini, T., ...
In order to try to understand the internal evolution of galaxies and relate this to the global evolution of the galaxy population, we present a comparative study of the dependence of star formation...
The environments of active galactic nuclei within the zCOSMOS density field (2009)
Silverman, J. D., Kovac, K., Knobel, C., Lilly, S., Bolzonella, M., Lamareille, F., ...
The impact of environment on active galactic nucleus (AGN) activity up to z ~ 1 is assessed by utilizing a mass-selected sample of galaxies from the 10k catalog of the zCOSMOS spectroscopic redshift...
Ongoing and co-evolving star formation in zCOSMOS galaxies hosting active galactic nuclei (2009)
Silverman, J. D., Lamareille, F., Maier, C., Lilly, S. J., Mainieri, V., Brusa, M., ...
We present a study of the host galaxies of active galactic nucleus (AGN) selected from the zCOSMOS survey to establish if accretion onto supermassive black holes (SMBHs) and star formation are...
The Environments of Active Galactic Nuclei within the zCOSMOS Density Field (2008)
Silverman, J. D., Kovac, K., Knobel, C., Lilly, S., Bolzonella, M., Lamareille, F., ...
The impact of environment on AGN activity up to z~1 is assessed by utilizing a mass-selected sample of galaxies from the 10k catalog of the zCOSMOS spectroscopic redshift survey. We identify 147 AGN...
The XMM-Newton Serendipitous Survey. VI. The X-ray Luminosity Function (2008)
Ebrero, J., Carrera, F. J., Page, M. J., Silverman, J. D., Barcons, X., Ceballos, M. T., ...
We present the X-ray luminosity function of AGN in three energy bands (Soft: 0.5-2 keV, Hard: 2-10 keV and Ultrahard: 4.5-7.5 keV). We have used the XMS survey along with other highly complete...
The Chandra Deep Field-South Survey: 2 Ms Source Catalogs (2008)
Luo, B., Bauer, F. E., Brandt, W. N., Alexander, D. M., Lehmer, B. D., Schneider, D. P., ...
We present point-source catalogs for the ≈2 Ms exposure of the Chandra Deep Field-South (CDF-S); this is one of the two most sensitive X-ray surveys ever performed. The survey covers an area of...
Ongoing and co-evolving star formation in zCOSMOS galaxies hosting Active Galactic Nuclei (2008)
Silverman, J. D., Lamareille, F., Maier, C., Lilly, S., Mainieri, V., Brusa, M., ...
We present a study of the host galaxies of AGN selected from the zCOSMOS survey to establish if accretion onto supermassive black holes and star formation are explicitly linked up to z~1. We identify...
Mignoli, M., Zamorani, G., Scodeggio, M., Cimatti, A., Halliday, C., Lilly, S. J., ...
Aims. We investigate the relationships between three main optical galaxy observables (spectral properties, colours, and morphology), exploiting the data set provided by the COSMOS/zCOSMOS survey. The...
A Full Year's Chandra Exposure on SDSS Quasars from the Chandra Multiwavelength Project (2008)
Green, Paul J., Aldcroft, T. L., Richards, G. T., Barkhouse, W. A., Constantin, A., Haggard, D., ...
We study the spectral energy distributions and evolution of a large sample of optically selected quasars from the Sloan Digital Sky Survey (SDSS) that were observed in 323 Chandra images analyzed by...
The Chandra Deep Field-South Survey: 2 Ms Source Catalogs (2008)
Luo, B., Bauer, F. E., Brandt, W. N., Alexander, D. M., Lehmer, B. D., Schneider, D. P., ...
We present point-source catalogs for the ~2 Ms exposure of the Chandra Deep Field-South (CDF-S); this is one of the two most-sensitive X-ray surveys ever performed. The survey covers an area of ~436...
Covey, K. R., Agueros, M. A., Green, P. J., Haggard, D., Barkhouse, W. A., Drake, J., ...
We present 348 X-ray emitting stars identified from correlating the Extended Chandra Multiwavelength Project (ChaMP), a serendipitous wide-area X-ray survey, with the Sloan Digital Sky Survey (SDSS)....
Lehmer, B. D., Brandt, W. N., Alexander, D. M., Bell, E. F., Hornschemeier, A. E., McIntosh, D. H., ...
We report on the X-ray evolution over the last ~9 Gyr of cosmic history (i.e., since z = 1.4) of late-type galaxy populations in the Chandra Deep Field-North and Extended Chandra Deep Field-South...
Silverman, J. D., Green, P. J., Barkhouse, W. A., Kim, D.-W., Kim, M., Wilkes, B. J., ...
Lehmer, B. D., Brandt, W. N., Alexander, D. M., Bell, E. F., Hornschemeier, A. E., McIntosh, D. H., ...
Chandra multi-wavelength project: normal galaxies at intermediate redshift (2008)
Kim, Dong-Woo, Green, P. J., Barkhouse, W. A., Colmenero, E. R., Haggard, D., Kim, M., ...
The Chandra deep field-south survey: 2 Ms source catalogs (2008)
Luo, B., Bauer, F. E., Brandt, W. N., Alexander, D. M., Lehmer, B. D., Schneider, D. P., ...
Lehmer, B. D., Brandt, W. N., Alexander, D. M., Bell, E. F., Hornschemeier, A. E., McIntosh, D. H., ...
We report on the X-ray evolution over the last ~9 Gyr of cosmic history (i.e., since z=1.4) of late-type galaxy populations in the Chandra Deep Field-North and Extended Chandra Deep Field-South...
A Reexamination of the `UV Leak' of the High Resolution Imager on ROSAT (2007)
Silverman Smithsonian Astrophysical, George H. Jacoby, Jeannette Barnes, Imager On Rosat, J. D. Silverman, K. Kearns, ...
. The `UV Leak' is apparent in observations of Vega which produce an HRI count rate of 0.1 cts/sec whereas a much lower rate is found by the PSPC. This discrepancy led Arp (1995) to interpret...
The extended Chandra deep field-south survey : Chandra point-source catalogs. (2007)
Lehmer, B. D., Brandt, W. N., Alexander, D. M., Bauer, F. E., Schneider, D. P., Tozzi, P., ...
We present Chandra point‐source catalogs for the Extended Chandra Deep Field–South (E‐CDF‐S) survey. The E‐CDF‐S consists of four contiguous 250 ks Chandra observations covering an...
Silverman, J. D., Green, P. J., Barkhouse, W. A., Kim, D. -W., Kim, M., Wilkes, B. J., ...
We present a measure of the hard (2-8 keV) X-ray luminosity function (XLF) of Active Galactic Nuclei up to z~5. At high redshifts, the wide area coverage of the Chandra Multiwavength Project is...
Silverman, J. D., Mainieri, V., Lehmer, B. D., Alexander, D. M., Bauer, F. E., Bergeron, J., ...
We present an analysis of 109 moderate-luminosity (41.9 < Log L{0.5-8.0 keV} < 43.7) AGN in the Extended Chandra Deep Field-South survey, which is drawn from 5,549 galaxies from the COMBO-17 and GEMS...
Finoguenov, A., Guzzo, L., Hasinger, G., Scoville, N. Z., Aussel, H., Boehringer, H., ...
We present the results of a search for galaxy clusters in the first 36 XMM-Newton pointings on the COSMOS field. We reach a depth for a total cluster flux in the 0.5-2 keV band of 3x10-15 ergs cm-2...
Finoguenov, A., Guzzo, L., Hasinger, G., Scoville, N. Z., Aussel, H., Böhringer, H., ...
We present the results of a search for galaxy clusters in the first 36 XMM-Newton pointings on the Cosmic Evolution Survey (COSMOS) field. We reach a depth for a total cluster flux in the 0.5-2 keV...
Finoguenov, A., Guzzo, L., Hasinger, G., Scoville, N. Z., Aussel, H., Boehringer, H., ...
We present the results of a search for galaxy clusters in the first 36 XMM-Newton pointings on the COSMOS field. We reach a depth for a total cluster flux in the 0.5-2 keV band of 3x10-15 ergs cm-2...
Jet-gas interactions in the seyfert galaxy markarian 78 (2006)
M. Whittle, A. S. Wilson, C. H. Nelson, D. Rosario, J. D. Silverman
Jet-gas interactions in the seyfert galaxy markarian 78
Chandra multiwavelength project: normal galaxies at intermediate redshift (2006)
Kim, D.-W., Barkhouse, W. A., Romero-Colmenero, E., Green, P. J., Kim, M., Mossman, A., ...
CHANDRA MULTIWAVELENGTH PROJECT: NORMAL GALAXIES AT INTERMEDIATE REDSHIFT (2006)
D. -w. Kim, W. A. Barkhouse, E. R. Colmenero, P. J. Green, M. Kim, A. Mossman, ...
We have investigated 136 Chandra extragalactic sources without broad optical emission lines, including 93 galaxies with narrow emission lines (NELG) and 43 with only absorption lines (ALG). Based on...
Chandra Multiwavelength Project: Normal Galaxies at Intermediate Redshift (2005)
Kim, D. -W., Barkhouse, W. A., Colmenero, E. R., Green, P. J., Kim, M., Mossman, A., ...
(abridged) We have investigated 136 Chandra extragalactic sources without broad optical emission lines, including 93 galaxies with narrow emission lines (NELG) and 43 with only absorption lines...
The Extended Chandra Deep Field-South Survey. Chandra Point-Source Catalogs (2005)
Lehmer, B. D., Brandt, W. N., Alexander, D. M., Bauer, F. E., Schneider, D. P., Tozzi, P., ...
We present Chandra point-source catalogs for the Extended Chandra Deep Field-South (E-CDF-S) survey. The E-CDF-S consists of four contiguous 250 ks Chandra observations covering an approximately...
The extended Chandra deep field-south survey: Chandra point-source catalogs (2005)
Lehmer, B. D., Brandt, W. N., Alexander, D. M., Bauer, F. E., Bouwens, D. P., Tozzi, P., ...
Co-moving space density of X-ray-selected Active Galactic Nuclei (2004)
Silverman, J. D., Green, P. J., Barkhouse, W. A., Cameron, R. A., Foltz, C., Jannuzi, B. T., ...
For measurement of the AGN luminosity function and its evolution, X-ray selection samples all types of AGN and provides reduced obscuration bias in comparison with UV-excess or optical surveys. The...
Ionization Mechanisms in Jet-Dominated Seyferts: A Detailed Case Study (2004)
Rosario, D. J., Whittle, M., Silverman, J. D., Wilson, A. S., Nelson, C. H.
For the past 10 years there has been an active debate over whether fast shocks play an important role in ionizing emission line regions in Seyfert galaxies. To investigate this claim, we have studied...
HARD X-RAY–EMITTING ACTIVE GALACTIC NUCLEI SELECTED BY THE CHANDRA MULTIWAVELENGTH PROJECT (2004)
J. D. Silverman, P. J. Green, W. A. Barkhouse, D. -w. Kim, T. L. Aldcroft, R. A. Cameron, ...
We present X-ray and optical analysis of 188 active galactic nuclei (AGN) identified from 497 hard X-ray ( f2:0 8:0keV> 2:7; 10 15 ergs cm 2 s 1) sources in 20 Chandra fields (1.5 deg 2) forming...
The Chandra Multiwavelength Project: Optical Followup of Serendipitous Chandra Sources (2003)
Green, Paul J., Silverman, J. D., Cameron, R. A., Kim, D. -W., Wilkes, B. J., Barkhouse, W. A., ...
We present followup optical g', r', and i', imaging and spectroscopy of serendipitous X-ray sources detected in 6 archival Chandra, images included in the Chandra, Multiwavelength Project (ChaMP). Of...
Chandra Multi-wavelength Project (ChaMP). I. First X-ray Source Catalog (2003)
Kim, D. -W., Cameron, R. A., Drake, J. J., Evans, N. R., Freeman, P., Gaetz, T. J., ...
The Chandra Multi-wavelength Project (ChaMP) is a wide-area (~14 deg^2) survey of serendipitous Chandra X-ray sources, aiming to establish fair statistical samples covering a wide range of...
Chandra Multi-wavelength Project (ChaMP). II. First Results of X-ray Source Properties (2003)
Kim, D. -W., Wilkes, B. J., Green, P. J., Cameron, R. A., Drake, J. J., Evans, N. R., ...
We present the first results of ChaMP X-ray source properties obtained from the initial sample of 62 observations. The data have been uniformly reduced and analyzed with techniques specifically...
Discovery of a z=4.93, X-ray selected quasar by the Chandra Multiwavelength Project (ChamP) (2002)
Silverman, J. D., Green, P. J., Kim, D. W., Wilkes, B. J., Cameron, R. A., Morris, D., ...
We present X-ray and optical observations of CXOMP J213945.0-234655, a high redshift (z=4.93) quasar discovered through the Chandra Multiwavelength Project (ChaMP). This object is the most distant...
Jet-gas interactions in the seyfert galaxy markarian 78 (2002)
Nelson , C. H., Rosario , D., Silverman , J. D., Whittle , M., Wilson , A. S.
The Seyfert 2 galaxy Markarian 78 o ers a rare opportunity to study the interaction of kpc scale radio out ows with the surrounding emission line gas. Using VLA and HST imaging and spectroscopy we...
Jet-Gas Interactions in the Seyfert Galaxy Markarian 78 (2002)
M. Whittle, A. S. Wilson, C. H. Nelson, D. Rosario, J. D. Silverman
The Seyfert 2 galaxy Markarian 78 oers a rare opportunity to study the interaction of kpc scale radio outows with the surrounding emission line gas. Using VLA and HST imaging and spectroscopy we...
Jet-Gas Interactions in the Seyfert Galaxy Markarian 78 (2002)
M. Whittle, A. S. Wilson, C. H. Nelson, D. Rosario, J. D. Silverman
The Seyfert 2 galaxy Markarian 78 o#ers a rare opportunity to study the interaction of kpc scale radio outflows with the surrounding emission line gas. Using VLA and HST imaging and spectroscopy we...
Extensive Serendipitous X-ray Coverage of a Flare Star with ROSAT (2000)
Silverman, J. D., Eriksen, K. A., Green, P. J., Saar, S. H.
We report the serendipitous discovery of a flare star observed with the ROSAT X-ray observatory. From optical spectra, which show strong and variable emission lines of the hydrogen Balmer series and...
X-ray Emission from the Radio Jet in 3C 120 (1999)
Harris, D. E., Hjorth, J., Sadun, A. C., Silverman, J. D., Vestergaard, M.
We report the discovery of X-ray emission from a radio knot at a projected distance of 25" from the nucleus of the Seyfert galaxy, 3C 120. The data were obtained with the ROSAT High Resolution Imager...
Spatial Corrections of ROSAT HRI Observations (1998)
Harris, D. E., Silverman, J. D., Hasinger, G., Lehmann, I.
X-ray observations with the ROSAT High Resolution Imager (HRI) often have spatial smearing on the order of 10 arcsec (Morse 1994). This degradation of the intrinsic resolution of the instrument (5...
Multiwavelength observations of 26W20, a radio galaxy which displays BL Lac characteristics (1998)
Silverman, J. D., Harris, D. E., Junor, W.
26W20, a radio galaxy located at a projected distance of 2.2 Mpc from the center of Abell 754 (z=0.054) exhibits core emission properties similar to those of a BL Lac object. New radio observations...
Dementia in general practice: the practical consequences of a more positive approach to diagnosis.
O'Connor, D W, Fertig, A, Grande, M J, Hyde, J B, Perry, J R, Roland, M O, ...
General practitioners are often reluctant to administer brief cognitive tests, and to question the relatives of patients who appear to be demented, for fear of causing distress. Diagnoses of dementia...
Dementia in general practice: the practical consequences of a more positive approach to diagnosis.
O'Connor, D W, Fertig, A, Grande, M J, Hyde, J B, Perry, J R, Roland, M O, ...
General practitioners are often reluctant to administer brief cognitive tests, and to question the relatives of patients who appear to be demented, for fear of causing distress. Diagnoses of dementia...
J. D. Silverman, B. T. Jannuzi, M. G. Smith, P. S. Smith, H. Tananbaum
We present a measure of the hard (2–8 keV) X-ray luminosity function (XLF) of Active Galactic Nuclei up to z ∼ 5. At high redshifts, the wide area coverage of the Chandra Multiwavength Project is...
Teaching and learning consultation skills for paediatric practice
Howells, R J, Davies, H A, Silverman, J D
Effective consultations with patients and their families are important for patient satisfaction, adherence to treatment, and recovery from illness. Communication problems among health professionals...