203 citations · 611 across the 28 of their papers we have counts for
28 papers
AGN Feedback and the Development of Dusty Multiphase Gas in X-ray Emitting Elliptical Galaxies
Pasquale Temi, Francesco Ubertosi, Fabrizio Brighenti +9
This paper investigates the physical and kinematic properties of dust-rich regions in a small sample of group-centered elliptical galaxies, emphasizing their connection with the ho…
The relationship between warm and hot gas-phase metallicity in massive elliptical galaxies and the influence of AGN feedback
Valeria Olivares, Yuanyuan Su, Pasquale Temi +10
Warm ionized gas is ubiquitous at the centers of X-ray bright elliptical galaxies. While it is believed to play a key role in the feeding and feedback processes of supermassive bla…
The First High-Contrast Images of Near High-Mass X-Ray Binaries with Keck/NIRC2
M. Prasow-Émond, J. Hlavacek-Larrondo, K. Fogarty +10
Although the study of X-ray binaries has led to major breakthroughs in high-energy astrophysics, their circumbinary environment at scales of 100--10,000 astronomical units ha…
Visible extreme adaptive optics on extremely large telescopes: Towards detecting oxygen in Proxima Centauri b and analogs
J. Fowler, Sebastiaan Y. Haffert, Maaike A. M. van Kooten +38
Looking to the future of exo-Earth imaging from the ground, core technology developments are required in visible extreme adaptive optics (ExAO) to enable the observation of atmosph…
Chasing rainbows and ocean glints: Inner working angle constraints for the Habitable Worlds Observatory
Sophia R. Vaughan, Timothy D. Gebhard, Kimberly Bott +41
NASA is engaged in planning for a Habitable Worlds Observatory (HabWorlds), a coronagraphic space mission to detect rocky planets in habitable zones and establish their habitabilit…
Advanced wavefront sensing and control demonstration with MagAO-X
Sebastiaan Y. Haffert, Jared R. Males, Kyle Van Gorkom +13
The search for exoplanets is pushing adaptive optics systems on ground-based telescopes to their limits. Currently, we are limited by two sources of noise: the temporal control err…
The Visible Integral-field Spectrograph eXtreme (VIS-X): high-resolution spectroscopy with MagAO-X
Sebastiaan Y. Haffert, Jared R. Males, Laird M. Close +9
MagAO-X system is a new adaptive optics for the Magellan Clay 6.5m telescope. MagAO-X has been designed to provide extreme adaptive optics (ExAO) performance in the visible. VIS-X…
Testing the Limits of AGN Feedback and the Onset of Thermal Instability in the Most Rapidly Star Forming Brightest Cluster Galaxies
Michael S. Calzadilla, Michael McDonald, Megan Donahue +8
We present new, deep, narrow- and broad-band Hubble Space Telescope observations of seven of the most star-forming brightest cluster galaxies (BCGs). Continuum-subtracted [O II] ma…
The First High-Contrast Images of X-Ray Binaries: Detection of Candidate Companions in the Cas Analog RX J1744.72713
M. Prasow-Émond, J. Hlavacek-Larrondo, K. Fogarty +16
X-ray binaries provide exceptional laboratories for understanding the physics of matter under the most extreme conditions. Until recently, there were few, if any, observational con…
Data-driven subspace predictive control of adaptive optics for high-contrast imaging
Sebastiaan Y. Haffert, Jared R. Males, Laird M. Close +11
The search for exoplanets is pushing adaptive optics systems on ground-based telescopes to their limits. One of the major limitations at small angular separations, exactly where ex…
Early High-contrast Imaging Results with Keck/NIRC2-PWFS: The SR 21 Disk
Taichi Uyama, Bin Ren, Dimitri Mawet +22
High-contrast imaging of exoplanets and protoplanetary disks depends on wavefront sensing and correction made by adaptive optics instruments. Classically, wavefront sensing has bee…
Chandra Observations of the Spectacular A3411-12 Merger Event
Felipe Andrade-Santos, Reinout J. van Weeren, Gabriella Di Gennaro +17
We present deep Chandra observations of A3411-12, a remarkable merging cluster that hosts the most compelling evidence for electron re-acceleration at cluster shocks to date. Using…
High-Contrast Testbeds for Future Space-Based Direct Imaging Exoplanet Missions
Johan Mazoyer, Pierre Baudoz, Ruslan Belikov +25
Instrumentation techniques in the field of direct imaging of exoplanets have greatly advanced over the last two decades. Two of the four NASA-commissioned large concept studies inv…
The Dust and Molecular Gas in the Brightest Cluster Galaxy in MACS 1931.8-2635
Kevin Fogarty, Marc Postman, Yuan Li +6
We present new ALMA observations of the molecular gas and far-infrared continuum around the brightest cluster galaxy (BCG) in the cool-core cluster MACS 1931.8-2635. Our observatio…
Apodized pupil Lyot coronagraphs designs for future segmented space telescopes
Kathryn St. Laurent, Kevin Fogarty, Neil T. Zimmerman +8
A coronagraphic starlight suppression system situated on a future flagship space observatory offers a promising avenue to image Earth-like exoplanets and search for biomarkers in t…
Apodized Pupil Lyot Coronagraphs with arbitrary aperture telescopes: novel designs using hybrid focal plane masks
Mamadou N'Diaye, Kevin Fogarty, Rémi Soummer +6
Exoplanet imaging and spectroscopy are now routinely achieved by dedicated instruments on large ground-based observatories (e.g. Gemini/GPI, VLT/SPHERE, or Subaru/SCExAO). In addit…
Review of high-contrast imaging systems for current and future ground-based and space-based telescopes III. Technology opportunities and pathways
Frans Snik, Olivier Absil, Pierre Baudoz +30
The Optimal Optical CoronagraphWorkshop at the Lorentz Center in September 2017 in Leiden, the Netherlands gathered a diverse group of 25 researchers working on exoplanet instrumen…
Review of high-contrast imaging systems for current and future ground-based and space-based telescopes II. Common path wavefront sensing/control and Coherent Differential Imaging
Nemanja Jovanovic, Olivier Absil, Pierre Baudoz +28
The Optimal Optical Coronagraph (OOC) Workshop held at the Lorentz Center in September 2017 in Leiden, the Netherlands, gathered a diverse group of 25 researchers working on exopla…
Review of high-contrast imaging systems for current and future ground- and space-based telescopes I. Coronagraph design methods and optical performance metrics
G. Ruane, A. Riggs, J. Mazoyer +29
The Optimal Optical Coronagraph (OOC) Workshop at the Lorentz Center in September 2017 in Leiden, the Netherlands gathered a diverse group of 25 researchers working on exoplanet in…
Stellar Mass and 3.4 m M/L Ratio Evolution of Brightest Cluster Galaxies in COSMOS since z ~ 1.0
Kevin C. Cooke, Kevin Fogarty, Jeyhan S. Kartaltepe +3
We investigate the evolution of star formation rates (SFRs), stellar masses, and M/L ratios of brightest cluster galaxies (BCGs) in the COSMOS survey since z ~ 1 to dete…
Capabilities of ACAD-OSM, an active method for the correction of aperture discontinuities
Johan Mazoyer, Laurent Pueyo, Mamadou N'Diaye +4
The increasing complexity of the aperture geometry of the future space- and ground based-telescopes will limit the performance of the next generation of coronagraphic instruments f…
Active correction of aperture discontinuities - optimized stroke minimization II: optimization for future missions
Johan Mazoyer, Laurent Pueyo, Mamadou N'Diaye +5
High-contrast imaging and spectroscopy provide unique constraints for exoplanet formation models as well as for planetary atmosphere models. Instrumentation techniques in this fiel…
Active correction of aperture discontinuities - optimized stroke minimization I: a new adaptive interaction matrix algorithm
J. Mazoyer, L. Pueyo, M. N'Diaye +7
Future searches for biomarkers on habitable exoplanets will rely on telescope instruments that achieve extremely high contrast at small planet-to-star angular separations. Coronagr…
Polynomial Apodizers for Centrally Obscured Vortex Coronagraphs
Kevin Fogarty, Laurent Pueyo, Johan Mazoyer +1
Several coronagraph designs have been proposed over the last two decades to directly image exoplanets. Among these designs, the vector vortex coronagraphs provide theoretically per…