activity
20152026
most citedThe First Dynamical Mass Determination of a Nitrogen-rich Wolf-Rayet Star using a Combined Visual and Spectroscopic Orbit

22 citations · 132 across the 22 of their papers we have counts for

collaborators

24 papers

cs.DL2026

Best practices in software citation

Phil R. Van-Lane, Floor S. Broekgaarden, Daniel S. Katz +11

Software is both a foundational tool and a primary output of modern computational research, yet citation practices for software remain inconsistent, incomplete, and rarely machine-…

astro-ph.HE2026

Traces of Helium Detected in Type Ic Supernova 2014L

Jing Lu, Wolfgang E. Kerzendorf, John T. O'Brien +6

The absence of helium features in optical spectra is one of the classification criteria for Type Ic supernovae (SNe Ic). However, it is highly debated whether helium is truly absen…

astro-ph.HE2025

Effect of positronium on the -ray spectra and energy deposition in Type Ia supernovae

Anirban Dutta, Andrew Fullard, Wolfgang Kerzendorf +5

Type Ia supernovae (SNe Ia) are powered by the radioactive decay of isotopes such as Ni and Co, making their -ray spectra useful probes of the explosion mechanism…

astro-ph.SR2025

Analyzing Stellar and Interstellar Contributions to Polarization: Modeling Approaches for Hot Stars

R Ignace, A G Fullard, G V Panopoulou +3

Linear polarimetry of unresolved stars is a powerful method for discerning or constraining the geometry of a source and its environment, since spherical sources produce no net pola…

astro-ph.SR2025

Introducing STARDIS: An Open and Modular Stellar Spectral Synthesis Code

Joshua V. Shields, Wolfgang Kerzendorf, Isaac G. Smith +7

We introduce a new 1D stellar spectral synthesis Python code called stardis. stardis is a modular, open-source radiative transfer code that is capable of spectral synthesis from ne…

astro-ph.HE2024

Physics-driven Explosions of Stripped High-Mass Stars: Synthetic Light Curves and Spectra of Stripped-Envelope Supernovae with Broad Lightcurves

Jing Lu, Brandon L. Barker, Jared Goldberg +5

Stripped-envelope supernovae (SESNe) represent a significant fraction of core-collapse supernovae, arising from massive stars that have shed their hydrogen and, in some cases, heli…

astro-ph.HE2023★ 3 cited

1991T-Like Type Ia Supernovae as an Extension of the Normal Population

John T. O'Brien, Wolfgang E. Kerzendorf, Andrew Fullard +7

Type Ia supernovae remain poorly understood despite decades of investigation. Massive computationally intensive hydrodynamic simulations have been developed and run to model an eve…

astro-ph.HE2023

No plateau observed in late-time near-infrared observations of the underluminous Type Ia supernova 2021qvv

O. Graur, E. Padilla Gonzalez, J. Burke +23

Near-infrared (NIR) observations of normal Type Ia supernovae (SNe Ia) obtained between 150 to 500 d past maximum light reveal the existence of an extended plateau. Here, we presen…

astro-ph.SR2022

StaNdaRT: A repository of standardized test models and outputs for supernova radiative transfer

Stéphane Blondin, Sergei Blinnikov, Fionntan P. Callan +26

We present the first results of a comprehensive supernova (SN) radiative-transfer (RT) code-comparison initiative (StaNdaRT), where the emission from the same set of standardized t…

astro-ph.SR2022★ 7 cited

UV Spectropolarimetry with Polstar: Massive Star Binary Colliding Winds

Nicole St-Louis, Kenneth Gayley, D. John Hillier +13

The winds of massive stars are important for their direct impact on the interstellar medium, and for their influence on the final state of a star prior to it exploding as a superno…

astro-ph.SR2022★ 15 cited

Searching for a Hypervelocity White Dwarf Companion: A Proper Motion Survey of SN 1006

Joshua V. Shields, Wolfgang Kerzendorf, Matthew W. Hosek +7

Type Ia Supernovae (SNe Ia) are securely understood to come from the thermonuclear explosion of a white dwarf as a result of binary interaction, but the nature of that binary inter…

astro-ph.SR2022★ 10 cited

Modeling the Optical to Ultraviolet Polarimetric Variability from Thomson Scattering in Colliding Wind Binaries

Richard Ignace, Andrew Fullard, Manisha Shrestha +5

Massive star binaries are critical laboratories for measuring masses and stellar wind mass-loss rates. A major challenge is inferring viewing inclination and extracting information…

astro-ph.SR2022

New mass estimates for massive binary systems: a probabilistic approach using polarimetric radiative transfer

Andrew G. Fullard, John T. O'Brien, Wolfgang E. Kerzendorf +4

Understanding the evolution of massive binary stars requires accurate estimates of their masses. This understanding is critically important because massive star evolution can poten…

astro-ph.SR2021

Ultraviolet Spectropolarimetry with Polstar: Massive Star Binary Colliding Winds

Nicole St-Louis, Kenneth Gayley, Desmond John Hillier +13

As sources of chemical enrichment, ionizing radiation and energetic feedback, massive stars drive the ecology of their host galaxies despite their relative rarity, additionally to…

astro-ph.SR2021★ 8 cited

Ultraviolet Spectropolarimetry:Conservative and Nonconservative Mass Transfer in OB Interacting Binaries

Geraldine J. Peters, Ken Gayley, Richard Ignace +11

One objective of the Polstar spectropolarimetry mission is to characterize the degree of nonconservative mass transfer that occurs at various stages of binary evolution, from the i…

astro-ph.SR2021★ 14 cited

Probabilistic Reconstruction of Type Ia Supernova SN 2002bo

John T. O'Brien, Wolfgang E. Kerzendorf, Andrew Fullard +8

Manual fits to spectral times series of Type Ia supernovae have provided a method of reconstructing the explosion from a parametric model but due to lack of information about model…

astro-ph.SR2021★ 22 cited

The First Dynamical Mass Determination of a Nitrogen-rich Wolf-Rayet Star using a Combined Visual and Spectroscopic Orbit

Noel D. Richardson, Laura Lee, Gail Schaefer +11

We present the first visual orbit for the nitrogen-rich Wolf-Rayet binary, WR 133 (WN5o + O9I) based on observations made with the CHARA Array and the MIRC-X combiner. This orbit r…

astro-ph.SR2020★ 10 cited

Polarization simulations of stellar wind bow shock nebulae. II. The case of dust scattering

Manisha Shrestha, Hilding R. Neilson, Jennifer L. Hoffman +2

We study the polarization produced by scattering from dust in a bow shock-shaped region of enhanced density surrounding a stellar source, using the Monte Carlo radiative transfer c…

astro-ph.SR2019★ 11 cited

A multi-wavelength search for intrinsic linear polarization in Wolf-Rayet winds

Andrew G. Fullard, Nicole St-Louis, Anthony F. J. Moffat +3

Wolf-Rayet stars have strong, hot winds, with mass-loss rates at least a factor of ten greater than their O-star progenitors, although their terminal wind speeds are similar. In th…

astro-ph.IM2018★ 3 cited

On Surface Brightness and Flux Calibration for Point and Compact Extended Sources in the AKARI Far-IR All-Sky Survey (AFASS) Maps

Toshiya Ueta, Ryszard Szczerba, Andrew G. Fullard +1

The AKARI Infrared Astronomical Satellite produced the all-sky survey (AFASS) maps in the far-IR at roughly arc-minute spatial resolution, enabling us to investigate the whole sky…

astro-ph.SR2018

Spectropolarimetry of the WR + O Binary WR42

Andrew G. Fullard, Jennifer L. Hoffman, Sophia DeKlotz +3

We present new spectropolarimetric data for WR 42 collected over 6 months at the 11-m Southern African Large Telescope (SALT) using the Robert Stobie Spectrograph.

astro-ph.IM2016★ 5 cited

Surface Brightness Correction for Compact Extended Sources Observed by the AKARI Far-Infrared Surveyor (FIS) in the Slow-Scan Mode

Toshiya Ueta, R. L. Tomasino, Satoshi Takita +5

We present a general surface brightness correction method for compact extended sources imaged in the slow-scan pointed observation mode of the Far-Infrared Surveyor (FIS) aboard th…

astro-ph.SR2016★ 4 cited

The Complex Circumstellar and Circumbinary Environment of V356 Sgr

Jamie R. Lomax, Andrew G. Fullard, Michael A. Malatesta +13

We analyze 45 spectropolarimetric observations of the eclipsing, interacting binary star V356 Sgr, obtained over a period of 21 years, to characterize the geometry of the system's…

astro-ph.GA2015★ 20 cited

H-ATLAS/GAMA: Quantifying the Morphological Evolution of the Galaxy Population Using Cosmic Calorimetry

Stephen Eales, Andrew Fullard, Matthew Allen +28

Using results from the Herschel Astrophysical Terrahertz Large-Area Survey and the Galaxy and Mass Assembly project, we show that, for galaxy masses above approximately 1.0e8 solar…