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The X-Ray Point-Source Population of NGC 1365: The Puzzle of Two Highly-Variable Ultraluminous X-ray Sources
Iskra V. Strateva, Stefanie Komossa
We present 26 point-sources discovered with Chandra within 200" (~20kpc) of the center of the barred supergiant galaxy NGC 1365. The majority of these sources are high-mass X-ray b…
A Chandra Look at Five of the Broadest Double-Peaked Balmer-Line Emitters
Iskra V. Strateva, W. N. Brandt, Michael Eracleous +1
We study the 0.5-10keV emission of a sample of five of the broadest double-peaked Balmer-line emitters with Chandra. The Balmer lines of these objects originate close (within a few…
The Spectral Energy Distributions of AGN with Double-Peaked Balmer Lines
I. Strateva, W. N. Brandt, M. Eracleous +2
We summarize the optical, UV, and X-ray properties of double-peaked emitters -- AGN with double-peaked Balmer emission lines believed to originate in the AGN accretion disk. We foc…
The X-ray Properties of Active Galactic Nuclei with Double-Peaked Balmer Lines
I. V. Strateva, W. N. Brandt, M. Eracleous +2
Double-peaked Balmer-line profiles originate in the accretion disks of a few percent of optically selected AGN. The reasons behind the strong low-ionization line emission from the…
The X-ray-to-Optical Properties of Optically-Selected Active Galaxies Over Wide Luminosity and Redshift Ranges
A. T. Steffen, I. Strateva, W. N. Brandt +5
We present partial-correlation analyses that examine the strengths of the relationships between L_UV, L_X, Alpha_OX, and redshift for optically-selected AGNs. We extend the work of…
Soft X-ray and Ultraviolet Emission Relations in Optically Selected AGN Samples
Iskra Strateva, Niel Brandt, Donald Schneider +2
Using a sample of 228 optically selected Active Galactic Nuclei (AGNs) in the 0.01-6.3 redshift range with a high fraction of X-ray detections (81-86%), we study the relation betwe…