629 citations · 4.6k across the 83 of their papers we have counts for
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The first degree-scale starlight-polarization-based tomography map of the magnetized interstellar medium
V. Pelgrims, N. Mandarakas, R. Skalidis +21
We present the first degree-scale tomography map of the dusty magnetized interstellar medium (ISM) from stellar polarimetry and distance measurements. We used the RoboPol polarimet…
GOALS-JWST: Small neutral grains and enhanced 3.3 micron PAH emission in the Seyfert galaxy NGC 7469
Thomas S. -Y. Lai, Lee Armus, Marina Bianchin +36
We present James Webb Space Telescope (JWST) Near Infrared Spectrograph (NIRSpec) integral-field spectroscopy of the nearby luminous infrared galaxy, NGC 7469. We take advantage of…
The Atacama Cosmology Telescope: Galactic Dust Structure and the Cosmic PAH Background in Cross-correlation with WISE
Rodrigo Córdova Rosado, Brandon S. Hensley, Susan E. Clark +15
We present a cross-correlation analysis between resolution total intensity and polarization observations from the Atacama Cosmology Telescope (ACT) at 150 and 220 GHz and 15$'…
A Framework for Modeling Polycyclic Aromatic Hydrocarbon Emission in Galaxy Evolution Simulations
Desika Narayanan, J. D. Smith, Brandon Hensley +7
We present a new methodology for simulating mid-infrared emission from polycyclic aromatic hydrocarbons (PAHs) in galaxy evolution simulations. To do this, we combine theoretical m…
SOFIA/HAWC+ observations of the Crab Nebula: dust properties from polarised emission
Jérémy Chastenet, Ilse De Looze, Brandon S. Hensley +14
Supernova remnants (SNRs) are well-recognised dust producers, but their net dust production rate remains elusive due to uncertainties in grain properties that propagate into observ…
The Astrodust+PAH Model: A Unified Description of the Extinction, Emission, and Polarization from Dust in the Diffuse Interstellar Medium
Brandon S. Hensley, B. T. Draine
We present a new model of interstellar dust in which large grains are a single composite material, ``astrodust,'' and nanoparticle-sized grains come in distinct varieties including…
Tracing PAH Emission in -Orionis Using COBE/DIRBE Data
David T. Chuss, Brandon S. Hensley, Alan J. Kogut +3
We use archival COBE/DIRBE data to construct a map of polycyclic aromatic hydrocarbon (PAH) emission in the -Orionis region. The presence of the 3.3 m PAH feature within the…
An Optical Spectrum of the Diffuse Galactic Light from BOSS and IRIS
Blake Chellew, Timothy D. Brandt, Brandon S. Hensley +2
We present a spectrum of the diffuse Galactic light (DGL) between 3700 and 10,000 A, obtained by correlating optical sky intensity with far-infrared dust emission. We use nearly 25…
Polycyclic Aromatic Hydrocarbons, the Anomalous Microwave Emission, and Their Connection to the Cold Neutral Medium
Brandon S. Hensley, Claire E. Murray, Mark Dodici
Using new large area maps of the cold neutral medium (CNM) fraction, , we investigate the relationship between the CNM, the abundance of polycyclic aromatic hydrocarbo…
The Simons Observatory: Galactic Science Goals and Forecasts
Brandon S. Hensley, Susan E. Clark, Valentina Fanfani +31
Observing in six frequency bands from 27 to 280 GHz over a large sky area, the Simons Observatory (SO) is poised to address many questions in Galactic astrophysics in addition to i…
COMAP Early Science: VI. A First Look at the COMAP Galactic Plane Survey
Thomas J. Rennie, Stuart E. Harper, Clive Dickinson +29
We present early results from the COMAP Galactic Plane Survey conducted between June 2019 and April 2021, spanning in Galactic longitude and $|b|<1.\!\!^{\…
The Galaxy Evolution Probe
Jason Glenn, Charles M. Bradford, Erik Rosolowsky +21
The Galaxy Evolution Probe (GEP) is a concept for a mid- and far-infrared space observatory to measure key properties of large samples of galaxies with large and unbiased surveys.…
A study of 90 GHz dust emissivity on molecular cloud and filament scales
Ian Lowe, Brian Mason, Tanay Bhandarkar +19
Recent observations from the MUSTANG2 instrument on the Green Bank Telescope have revealed evidence of enhanced long-wavelength emission in the dust spectral energy distribution (S…
The Atacama Cosmology Telescope: Microwave Intensity and Polarization Maps of the Galactic Center
Yilun Guan, Susan E. Clark, Brandon S. Hensley +30
We present arcminute-resolution intensity and polarization maps of the Galactic center made with the Atacama Cosmology Telescope (ACT). The maps cover a 32 deg field at 98, 150…
The Origin of Parity Violation in Polarized Dust Emission and Implications for Cosmic Birefringence
S. E. Clark, Chang-Goo Kim, J. Colin Hill +1
Recent measurements of Galactic polarized dust emission have found a nonzero signal, a correlation between the total intensity and the -mode polarization component. We pres…
Benchmarking Dust Emission Models in M101
Jeremy Chastenet, Karin Sandstrom, I-Da Chiang +7
We present a comparative study of four physical dust models and two single-temperature modified blackbody models by fitting them to the resolved WISE, Spitzer, and Herschel photome…
Using the Starlight Polarization Efficiency Integral to Constrain Shapes and Porosities of Interstellar Grains
B. T. Draine, Brandon S. Hensley
We present a new method for using the observed starlight polarization and polarized submm emission to constrain the shapes and porosities of interstellar grains. We present the mod…
Excitation of Polycyclic Aromatic Hydrocarbon (PAH) Emission: Dependence on Size Distribution, Ionization, and Starlight Spectrum and Intensity
B. T. Draine, Aigen Li, Brandon S. Hensley +3
Using physical models, we study the sensitivity of polycyclic aromatic hydrocarbon (PAH) emission spectra to the character of the illuminating starlight, to the PAH size distributi…
Resolved spectral variations of the centimetre-wavelength continuum from the rho Oph W photo-dissociation-region
Simon Casassus, Matias Vidal, Carla Arce-Tord +5
Cm-wavelength radio continuum emission in excess of free-free, synchrotron and Rayleigh-Jeans dust emission (excess microwave emission, EME), and often called `anomalous microwave…
The Dielectric Function of "Astrodust" and Predictions for Polarization in the 3.4m and 10m Features
B. T. Draine, Brandon S. Hensley
The dielectric function of interstellar dust material is modeled using observations of extinction and polarization in the infrared, together with estimates for the mass of interste…
Observational Constraints on the Physical Properties of Interstellar Dust in the Post-Planck Era
Brandon S. Hensley, B. T. Draine
We present a synthesis of the astronomical observations constraining the wavelength-dependent extinction, emission, and polarization from interstellar dust from UV to microwave wav…
Detection of PAH Absorption and Determination of the Mid-Infrared Diffuse Interstellar Extinction Curve from the Sightline Toward Cyg OB2-12
Brandon S. Hensley, B. T. Draine
The sightline toward the luminous blue hypergiant Cyg OB2-12 is widely used in studying interstellar dust on account of its large extinction ( mag) and the fact that…
Infra-Red Emission from Cold Gas Dusty Disks in Massive Ellipticals
Zhaoming Gan, Brandon S. Hensley, Jeremiah P. Ostriker +3
What is the expected infrared output of elliptical galaxies? Here we report the latest findings obtained in this high time resolution (~10 years) and high spatial resolution (2.5 p…
Resolved observations at 31 GHz of spinning dust emissivity variations in Oph
Carla Arce-Tord, Matias Vidal, Simon Casassus +9
The Oph molecular cloud is one of the best examples of spinning dust emission, first detected by the Cosmic Background Imager (CBI). Here we present 4.5 arcmin observations wit…