WF
William J. Fischer
astro-ph.SRastro-ph.GAastro-ph.EPastro-phastro-ph.IM
On Valency
published · living versionsW_pea7srhh·v1 · currentpublished
Accretion Variability as a Guide to Stellar Mass Assembly
with Lynne A. Hillenbrand, Gregory J. Herczeg, Doug Johnstone, Ágnes Kóspál +1
1 version
Preprints & journals
67 papers in the corpus · 2001–2026Accretion onto the Embedded Protostar L1527 IRS: Insights from JWST NIRSpec and MIRI Observations2603.03575v1 · W. Blake Drechsler, John J. Tobin, Patrick D. Sheehan et al.2026 · 0 citationsarXiv
Investigating the Nested Structure of the Outflow from the Low Luminosity Protostar IRAS 16253-2429 using JWST and ALMA2602.09837v2 · Mayank Narang, Himanshu Tyagi, Nagayoshi Ohashi et al.2026 · 4 citationsarXiv
Reference File Updates Following the Application of New Geometric Distortion and Walk Corrections I: Overview2602.09917v1 · Nick Indriolo, William J. Fischer, Elaine Frazer et al.2026 · 0 citationsarXiv
27 years of Spaceborne IR Astronomy: An ISO, Spitzer, WISE and NEOWISE Survey for Large-Amplitude Variability in Young Stellar Objects2601.21013v1 · Chinmay S. Kulkarni, Thomas Behling, Elisabeth E. Banks et al.2026 · 1 citationarXiv
IPA. Accretion rate of a low-mass Class 0 protostar, measured via mid-infrared fluorescent OH emission2512.15999v1 · Dan M. Watson, Mayank Narang, Caeley V. Pittman et al.2025 · 1 citationarXiv
Investigating the Role of Protostellar Variability with PRIMA Using Monte Carlo Simulations2511.02024v1 · Rachel R. Lee, Cara Battersby, Aleksandra Kuznetsova et al.2025 · 0 citationsarXiv
HDO ice detected toward an isolated low-mass protostar with JWST2505.14686v3 · Katerina Slavicinska, \Lukasz Tychoniec, Mar'ia Gabriela Navarro et al.2025 · 11 citationsarXiv
The UV Legacy Library of Young Stars as Essential Standards (ULLYSES) Large Director's Discretionary Program with Hubble. I. Goals, Design, and Initial Results2504.05446v1 · Julia Roman-Duval, William J. Fischer, Alexander W. Fullerton et al.2025 · 22 citationsarXiv
Starspots as an Explanation for the Mysterious IYJ Continuum Excess Emission in Classical T Tauri Stars2411.12716v1 · Facundo P'erez Paolino, Jeff Bary, Lynne Hillenbrand et al.2024 · 8 citationsarXiv
JWST-IPA: Chemical Inventory and Spatial Mapping of Ices in the Protostar HOPS370 -- Evidence for an Opacity Hole and Thermal Processing of Ices2410.06697v1 · Himanshu Tyagi, Manoj P., Mayank Narang et al.2024 · 14 citationsarXiv
A Multi-wavelength, Multi-epoch Monitoring Campaign of Accretion Variability in T Tauri Stars from the ODYSSEUS Survey. I. HST FUV and NUV Spectra2405.21038v1 · John Wendeborn, Catherine C. Espaillat, Sophia Lopez et al.2024 · 1 citationarXiv
JWST/MIRI detection of suprathermal OH rotational emissions: probing the dissociation of the water by Lyman alpha photons near the protostar HOPS 3702404.07299v1 · David A. Neufeld, P. Manoj, Himanshu Tyagi et al.2024 · 0 citationsarXiv
JWST observations of CO ice: Tracing the chemical environment and thermal history of ices in protostellar envelopes2402.04314v2 · Nashanty G. C. Brunken, Will R. M. Rocha, Ewine F. van Dishoeck et al.2024 · 36 citationsA&A 685, A27 (2024)
Discovery of a collimated jet from the low luminosity protostar IRAS 16253$-$2429 in a quiescent accretion phase with the JWST2310.14061v5 · Mayank Narang, Manoj P., Himanshu Tyagi et al.2023 · 47 citationsarXiv
Far-Infrared Luminosity Bursts Trace Mass Accretion onto Protostars2310.12867v3 · William J. Fischer, Cara Battersby, Doug Johnstone et al.2023 · 9 citationsarXiv
Investigating Protostellar Accretion-Driven Outflows Across the Mass Spectrum: JWST NIRSpec IFU 3-5~m Spectral Mapping of Five Young Protostars2310.03803v2 · Samuel Federman, S. Thomas Megeath, Adam E. Rubinstein et al.2023 · 52 citationsApJ 966 41 (2024)
Twenty-Five Years of Accretion onto the Classical T Tauri Star TW Hya2308.14590v1 · Gregory J. Herczeg, Yuguang Chen, Jean-Francois Donati et al.2023 · 37 citationsarXiv
Investigating the Impact of Metallicity on Star Formation in the Outer Galaxy. I. VLT/KMOS Survey of Young Stellar Objects in Canis Major2306.05502v1 · Dominika Itrich, Agata Karska, Marta Sewi\lo et al.2023 · 4 citationsarXiv
Far-infrared line emission from the outer Galaxy cluster Gy 3-7 with SOFIA/FIFI-LS: Physical conditions and UV fields2304.08127v1 · N. Le, A. Karska, M. Figueira et al.2023 · 1 citationA&A 674, A64 (2023)
Demographics of Protoplanetary Disks: A Simulated Population of Edge-on Systems2302.04891v2 · Isabel Angelo, Gaspard Duchene, Karl Stapelfeldt et al.2023 · 13 citationsarXiv
Lyman-alpha Scattering Models Trace Accretion and Outflow Kinematics in T Tauri Systems2301.01761v1 · Nicole Arulanantham, Max Gronke, Eleonora Fiorellino et al.2023 · 10 citationsarXiv
300: An ACA 870 m Continuum Survey of Orion Protostars and their Evolution2210.07925v2 · Samuel Federman, S. Thomas Megeath, John J. Tobin et al.2022 · 24 citationsApJ 944 49 (2023)
Extension of HOPS Out to 500 ParSecs (eHOPS). I. Identification and Modeling of Protostars in the Aquila Molecular Clouds2209.12090v2 · Riwaj Pokhrel, S. Thomas Megeath, Robert A. Gutermuth et al.2022 · 29 citationsarXiv
A census of young stellar objects in two line-of-sight star forming regions toward IRAS 22147+5948 in the outer Galaxy2204.11687v2 · Agata Karska, Maciej Koprowski, Aleksandra Solarz et al.2022 · 5 citationsA&A 663, A133 (2022)
Accretion Variability as a Guide to Stellar Mass Assembly2203.11257v2 · William J. Fischer, Lynne A. Hillenbrand, Gregory J. Herczeg et al.2022 · 71 citationsarXivon Valency
The ODYSSEUS Survey. Motivation and First Results: Accretion, Ejection, and Disk Irradiation of CVSO 1092201.06502v1 · C. C. Espaillat, G. J. Herczeg, T. Thanathibodee et al.2022 · 37 citationsarXiv
The Rate, Amplitude and Duration of Outbursts from Class 0 Protostars in Orion2201.04647v1 · W. Zakri, S. T. Megeath, W. J. Fischer et al.2022 · 41 citationsarXiv
The Single-Cloud Star Formation Relation2104.04551v1 · Riwaj Pokhrel, Robert A. Gutermuth, Mark R. Krumholz et al.2021 · 54 citationsarXiv
PENELLOPE: the ESO data legacy program to complement the Hubble UV Legacy Library of Young Stars (ULLYSES) I. Survey presentation and accretion properties of Orion OB1 and -Orionis2103.12446v2 · C.F. Manara, A. Frasca, L. Venuti et al.2021 · 77 citationsA&A 650, A196 (2021)
An HST Survey of Protostellar Outflow Cavities: Does Feedback Clear Envelopes?2102.06717v1 · Nolan M. Habel, S. Thomas Megeath, Joseph Jon Booker et al.2021 · 33 citationsarXiv
Constraining the Chemical Signatures and the Outburst Mechanism of the Class 0 Protostar HOPS 3832010.05939v1 · Rajeeb Sharma, John J. Tobin, Patrick D. Sheehan et al.2020 · 10 citationsarXiv
An APEX survey of outflow and infall toward the youngest protostars in Orion2007.12103v2 · Z. Nagy, A. Menechella, S. T. Megeath et al.2020 · 11 citationsA&A 642, A137 (2020)
Star-Gas Surface Density Correlations in Twelve Nearby Molecular Clouds I: Data Collection and Star-Sampled Analysis2005.05466v1 · Riwaj Pokhrel, Robert A. Gutermuth, Sarah K. Betti et al.2020 · 57 citationsarXiv
The Atacama Large Aperture Submillimeter Telescope (AtLAST)1907.04756v1 · Pamela Klaassen, Tony Mroczkowski, Sean Bryan et al.2019 · 22 citationsarXiv
Compact Disks in a High Resolution ALMA Survey of Dust Structures in the Taurus Molecular Cloud1906.10809v1 · Feng Long, Gregory J. Herczeg, Daniel Harsono et al.2019 · 254 citationsarXiv
Time-Domain Photometry of Protostars at Far-Infrared and Submillimeter Wavelengths1903.07628v1 · William J. Fischer, Michael Dunham, Joel Green et al.2019 · 1 citationarXiv
The newborn planet population emerging from ring-like structures in discs1903.05117v1 · G. Lodato, G. Dipierro, E. Ragusa et al.2019 · 151 citationsarXiv
The Ring Structure in the MWC 480 Disk Revealed by ALMA1811.04074v1 · Yao Liu, Giovanni Dipierro, Enrico Ragusa et al.2018 · 71 citationsA&A 622, A75 (2019)
Gaps and Rings in an ALMA Survey of Disks in the Taurus Star-forming Region1810.06044v1 · Feng Long, Paola Pinilla, Gregory J. Herczeg et al.2018 · 527 citationsarXiv
Methanol and its relation to the water snowline in the disk around the young outbursting star V883 Ori1808.08258v1 · Merel L.R. van 't Hoff, John J. Tobin, Leon Trapman et al.2018 · 90 citationsarXiv
The Herschel Orion Protostar Survey: Luminosity and Envelope Evolution1704.05847v1 · William J. Fischer, S. Thomas Megeath, Elise Furlan et al.2017 · 95 citationsarXiv
The Mid-Infrared Evolution of the FU Orionis Disk1609.01765v1 · Joel D. Green, Olivia C. Jones, Luke D. Keller et al.2016 · 14 citationsarXiv
The evolution of far-infrared CO emission from protostars1608.04965v1 · P. Manoj, J. D. Green, S. T. Megeath et al.2016 · 26 citationsarXiv
A Survey of the Mon R2 Giant Molecular Cloud: Analysis of the Gas Column Density Probability Density Function1606.01752v1 · R. Pokhrel, R. Gutermuth, B. Ali et al.2016 · 55 citationsarXiv
A WISE Census of Young Stellar Objects in Canis Major1606.01896v1 · William J. Fischer, Deborah L. Padgett, Karl L. Stapelfeldt et al.2016 · 51 citationsarXiv
An HST Survey for 100-1000 AU Companions around Young Stellar Objects in the Orion Molecular Clouds: Evidence for Environmentally Dependent Multiplicity1602.07635v1 · M. Kounkel, S. T. Megeath, C. A. Poteet et al.2016 · 41 citationsarXiv
The Herschel Orion Protostar Survey: Spectral Energy Distributions and Fits Using a Grid of Protostellar Models1602.07314v2 · E. Furlan, W. J. Fischer, B. Ali et al.2016 · 251 citationsarXiv
Evolution of Mass Outflow in Protostars1511.04787v1 · Dan M. Watson, Nuria P. Calvet, William J. Fischer et al.2015 · 57 citationsarXiv
The WISE Census of Young Stellar Objects in Canis Major1510.05896v1 · William J. Fischer, Deborah L. Padgett, Karl R. Stapelfeldt2015 · 1 citationarXiv
HOPS 383: An Outbursting Class 0 Protostar in Orion1501.00492v2 · Emily J. Safron, William J. Fischer, S. Thomas Megeath et al.2015 · 117 citationsarXiv
Career total: 182 works. 67 are in this corpus.Showing the 50 most recent.
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