The SWIRE/Chandra Survey: The X-ray Sources (2009)
Wilkes, Belinda J., Kilgard, Roy, Kim, Dong-Woo, Kim, Minsun, Polletta, Mari, Lonsdale, Carol, ...
We report a moderate-depth (70 ksec), contiguous 0.7 sq.deg, Chandra survey, in the Lockman Hole Field of the Spitzer/SWIRE Legacy Survey coincident with a completed, ultra-deep VLA survey with deep...
The Spectral Energy Distributions of Red Two Micron All Sky Survey Active Galactic Nuclei (2009)
Kuraszkiewicz, Joanna, Wilkes, Belinda J., Schmidt, Gary, Ghosh, Himel, Smith, Paul S., Cutri, Roc, ...
We present infrared (IR) to X-ray spectral energy distributions (SEDs) for 44 red active galactic nuclei (AGNs) selected from the Two Micron All Sky Survey (2MASS) survey on the basis of their red J...
Kuraszkiewicz, Joanna, Wilkes, Belinda J., Schmidt, Gary, Smith, Paul S., Cutri, Roc M., Czerny, Bόzena
We analyze the spectral energy distributions (SEDs) and emission-line properties of the red (J – K_S >2) 2MASS active galactic nuclei (AGNs) using principle component analysis (PCA). The sample...
Clustering of red galaxies around the z=1.53 quasar 3C270.1 (2009)
Haas, Martin, Willner, S. P., Heymann, Frank, Ashby, M. L. N., Fazio, G. G., Wilkes, Belinda J., ...
In the paradigm of hierarchical galaxy formation, luminous radio galaxies mark mass assembly peaks that should contain clusters of galaxies. Observations of the z=1.53 quasar 3C270.1 with the Spitzer...
The Spectral Energy Distributions of Red 2MASS AGN (2008)
Kuraszkiewicz, Joanna, Wilkes, Belinda J., Schmidt, Gary, Ghosh, Himel, Smith, Paul S., Cutri, Roc, ...
We present infrared (IR) to X-ray spectral energy distributions (SEDs) for 44 red AGN selected from the 2MASS survey on the basis of their red J-K$_S$ color (>2 mag) and later observed by Chandra. In...
PCA of the spectral energy distribution and emission line properties of red 2MASS AGN (2008)
Kuraszkiewicz, Joanna, Wilkes, Belinda J., Schmidt, Gary, Smith, Paul S., Cutri, Roc, Czerny, Bozena
We analyze the spectral energy distributions (SEDs) and emission line properties of the red (J-K$_S$ > 2) 2MASS AGN observed by Chandra using principle component analysis. The sample includes 44 low...
John D. Silverman, Paul J. Green, Dong-woo Kim, Belinda J. Wilkes, Robert A, David Morris, ...
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...
Chandra multiwavelength project X-ray point source catalog (2007)
Kim, Minsun, Kim, Dong-Woo, Wilkes, Belinda J., Green, Paul J., Kim, Eunhyeuk, Anderson, Craig S., ...
Kim, Minsun, Wilkes, Belinda J., Kim, Dong-Woo, Green, Paul J., Barkhouse, Wayne A., Lee, Myung Gyoon, ...
Chandra Multiwavelength Project X-ray Point Source Catalog (2006)
Kim, Minsun, Kim, Dong-Woo, Wilkes, Belinda J., Green, Paul J., Kim, Eunhyeuk, Anderson, Craig S., ...
We present the Chandra Multiwavelength Project (ChaMP) X-ray point source catalog with ~6,800 X-ray sources detected in 149 Chandra observations covering \~10 deg^2. The full ChaMP catalog sample is...
Kim, Minsun, Wilkes, Belinda J., Kim, Dong-Woo, Green, Paul J., Barkhouse, Wayne A., Lee, Myung Gyoon, ...
We present the Chandra Multiwavelength Project (ChaMP) X-ray point source number counts and the cosmic X-ray background (CXRB) flux densities in multiple energy bands. From the ChaMP X-ray point...
Minsun Kim, Belinda J. Wilkes, Dong-woo Kim, Paul J. Green, Wayne A. Barkhouse, Myung Gyoon Lee, ...
We present the Chandra Multiwavelength Project (ChaMP) X-ray point source number counts and cosmic X-ray background (CXRB) flux densities in multiple energy bands. From the ChaMP X-ray point source...
Minsun Kim, Dong-woo Kim, Belinda J. Wilkes, Paul J. Green, Eunhyeuk Kim, Craig S. Anderson, ...
We present the Chandra Multiwavelength Project (ChaMP) X-ray point source catalog with 6800 X-ray sources detected in 149 Chandra observations covering 10 deg 2. The full ChaMP catalog sample is 7...
The Spectral Energy Distributions of Quasars and AGN (2003)
Active Galactic Nuclei (AGN) are multiwavelength emitters. To have any hope of understanding them, or even to determine their energy output, we must observe them with many telescopes. I will review...
X-ray emitting AGN unveiled by the Chandra Multiwavelength Project (2003)
Silverman, John D., Green, Paul J., Aldcroft, Thomas L., Kim, Dong-Woo, Barkhouse, Wayne, Cameron, Robert A., ...
We present an X-ray and optical analysis of a 2-8 keV flux limited (fx > 10e-14 erg s^-1 cm^-2) sample of 126 AGN detected in 16 Chandra fields. This work represents a small though significant subset...
X-ray properties of Red Active Galactic Nuclei (2001)
Wilkes, Belinda J., Schmidt, Gary D., Cutri, Roc M., Ghosh, Himel, Hines, Dean C., Nelson, Brant, ...
The Two Micron All Sky Survey (2MASS) is finding previously unidentified, luminous red active galactic nuclei (AGN). This new sample has a space density similar to, or greater than, previously known...
A Chandra Survey of Broad Absorption Line Quasars (2001)
Green, Paul J., Aldcroft, Thomas L., Mathur, Smita, Wilkes, Belinda J., Elvis, Martin
We have carried out a survey with the Chandra X-ray Observatory of a sample of 10 optically bright broad absorption line (BAL) QSOs. Eight out of ten sources are detected. The 6 brightest X-ray...
BeppoSAX Observations of the Maser Sy2 Galaxy: ESO103-G35 (2000)
Wilkes, Belinda J., Mathur, Smita, Fiore, Fabrizio, Antonelli, Angelo, Nicastro, Fabrizio
We have made BeppoSAX observations of the Seyfert 2/1.9 galaxy ESO103-G35, which contains a nuclear maser source and is known to be heavily absorbed in the X-rays. Analysis of the X-ray spectra...
Infrared Properties of High Redshift and X-ray Selected AGN Samples (2000)
Wilkes, Belinda J., Hooper, Eric J., McLeod, Kim K., Elvis, Martin S., Hughes, David H., Impey, Chris D., ...
The NASA/ISO Key Project on active galactic nuclei (AGN) seeks to better understand the broad-band spectral energy distributions (SEDs) of these sources from radio to X-rays, with particular emphasis...
Hooper, Eric J., Wilkes, Belinda J., McLeod, Kim K., Elvis, Martin S., Impey, Chris D., Lonsdale, Carol J., ...
The U.S. ISO Key Project on quasar spectral energy distributions seeks to better understand the very broad-band emission features of quasars from radio to X-rays. A key element of this project is...
The Far-infrared Continuum of Quasars (1999)
Wilkes, Belinda J., Hooper, Eric J., McLeod, Kim K., Elvis, Martin S., Impey, Chris D., Lonsdale, Carol J., ...
ISO provides a key new far-infrared window through which to observe the multi-wavelength spectral energy distributions (SEDs) of quasars and active galactic nuclei (AGN). It allows us, for the first...
ISO Observations of Quasars and Quasar Hosts (1997)
The Infrared Space Observatory (ISO), launched in November 1995, allows us to measure the far-infrared (far-IR) emission of quasars in greater detail and over a wider energy range than previously...
The X-ray Warm Absorber in NGC3516 (1996)
Mathur, Smita, Wilkes, Belinda J., Aldcroft, Thomas
The Seyfert 1 galaxy, NGC3516 has been the subject of many absorption line studies at both ultraviolet and X-ray wavelengths. In the UV, strong, broad, variable associated metal line absorption with...
Associated Absorption at Low and High Redshift (1996)
Elvis, Martin, Mathur, Smita, Wilkes, Belinda J., Fiore, Fabrizio, Giommi, Paolo, Padovani, Paolo, ...
Combining information on absorbing material in AGN from X-ray and the UV creates a powerful investigative tool. Here we give examples from both low and high redshift.
Laor, Ari, Fiore, Fabrizio, Elvis, Martin, Wilkes, Belinda J., McDowell, Jonathan C.
We present the final results of a ROSAT PSPC program to study the soft X-ray emission properties of a complete sample of low $z$ quasars. The main results are: 1. There is no evidence for significant...
Optical Detection of the Hidden Nuclear Engine in NGC~4258 (1995)
Wilkes, Belinda J., Schmidt, Gary D., Smith, Paul S., Mathur, Smita, McLeod, Kim K.
The sub-parsec masing disk recently found to be orbiting a central mass of $\sim3.6\times10^7$~\msun\ in the Seyfert/LINER galaxy NGC~4258 provides the most compelling evidence to date for the...