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Cross-correlation between X-ray and optical/near-infrared background intensity fluctuations
Ketron Mitchell-Wynne, Asantha Cooray, Yongquan Xue +3
Angular power spectra of optical and infrared background anisotropies at wavelengths between 0.5 to 5 m are a useful probe of faint sources present during reionization, in addit…
An ALMA Survey of Submillimeter Galaxies in the Extended Chandra Deep Field South: The AGN Fraction and X-ray Properties of Submillimeter Galaxies
S. X. Wang, W. N. Brandt, B. Luo +17
The large gas and dust reservoirs of submm galaxies (SMGs) could potentially provide ample fuel to trigger an Active Galactic Nucleus (AGN), but previous studies of the AGN fractio…
X-ray Bright Active Galactic Nuclei in Massive Galaxy Clusters II: The Fraction of Galaxies Hosting Active Nuclei
S. Ehlert, A. von der Linden, S. W. Allen +7
We present a measurement of the fraction of cluster galaxies hosting X-ray bright Active Galactic Nuclei (AGN) as a function of clustercentric distance scaled in units of …
The Two Dimensional Projected Spatial Distribution of Globular Clusters: Method and Application to NGC4261
R. D'Abrusco, G. Fabbiano, J. Strader +7
We present a new method for the determination of the two-dimensional (2D) projected spatial distribution of globular clusters (GCs) in external galaxies. This method is based on th…
Weak Hard X-ray Emission from Two Broad Absorption Line Quasars Observed with NuSTAR: Compton-thick Absorption or Intrinsic X-ray Weakness?
B. Luo, W. N. Brandt, D. M. Alexander +22
We present NuSTAR hard X-ray observations of two X-ray weak broad absorption line (BAL) quasars, PG 1004+130 (radio loud) and PG 1700+518 (radio quiet). Many BAL quasars appear X-r…
Unveiling a population of galaxies harboring low-mass black holes with X-rays
M. Schramm, J. D. Silverman, J. E. Greene +7
We report the discovery of three low-mass black hole candidates residing in the centers of low-mass galaxies at z<0.3 in the Chandra Deep Field - South Survey. These black holes ar…