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Low-mass black holes as the remnants of primordial black hole formation
Jenny E. Greene
This article documents our ongoing search for the elusive "intermediate-mass" black holes. These would bridge the gap between the approximately ten solar mass "stellar-mass" black…
X-ray Properties of Intermediate-mass Black Holes in Active Galaxies. III. Spectral Energy Distribution and Possible Evidence for Intrinsically X-ray-weak AGNs
Ruobing Dong, Jenny E. Greene, Luis C. Ho
We present a systematic X-ray study, the third in a series, of 49 active galactic nuclei with intermediate-mass black holes (IMBH; ~10^5-10^6 M_sun) using Chandra observations. We…
Detectors and cryostat design for the SuMIRe Prime Focus Spectrograph (PFS)
James E. Gunn, Michael Carr, Stephen A. Smee +20
We describe the conceptual design of the camera cryostats, detectors, and detector readout electronics for the SuMIRe Prime Focus Spectrograph (PFS) being developed for the Subaru…
Chandra X-ray and Hubble Space Telescope Imaging of Optically Selected kiloparsec-Scale Binary Active Galactic Nuclei I. Nature of the Nuclear Ionizing Sources
Xin Liu, Francesca Civano, Yue Shen +3
Kiloparsec-scale binary active galactic nuclei (AGNs) signal active supermassive black hole (SMBH) pairs in merging galaxies. Despite their significance, unambiguously confirmed ca…
Physical Properties of the Narrow-Line Region of Low-Mass Active Galaxies
Randi R. Ludwig, Jenny E. Greene, Aaron J. Barth +1
We present spectroscopic observations of 27 active galactic nuclei (AGN) with some of the lowest black hole (BH) masses known. We use the high spectral resolution and small apertur…
Stellar Populations of UV-Selected Active Galactic Nuclei Host Galaxies at z ~ 2 - 3
Kevin N. Hainline, Alice E. Shapley, Jenny E. Greene +3
We use stellar population synthesis modeling to analyze the host galaxy properties of a sample of 33 UV-selected, narrow-lined active galactic nuclei (AGNs) at z ~ 2 - 3. In order…