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| Woosley & Weaver | |
|---|---|
| Name | Woosley & Weaver |
| Occupation | Astrophysicists |
| Notable works | Stellar evolution and supernova nucleosynthesis models |
| Era | Late 20th century |
Woosley & Weaver Woosley & Weaver refers to the influential collaboration between astrophysicists whose work produced seminal models of massive stellar evolution, core-collapse supernova explosions, and nucleosynthesis. Their studies connected theoretical models with observations from facilities and programs such as the Hubble Space Telescope, the Keck Observatory, the Very Large Array, the Supernova Cosmology Project, and the Sloan Digital Sky Survey, shaping work by researchers at institutions like University of California, Santa Cruz, Lawrence Livermore National Laboratory, Los Alamos National Laboratory, Princeton University, and California Institute of Technology. Their models influenced interpretations of data from missions and surveys including COBE, WMAP, Chandra X-ray Observatory, XMM-Newton, and follow-up by groups at Harvard University and Cambridge University.
The collaboration built on prior foundational work by figures and groups such as Subrahmanyan Chandrasekhar, Fred Hoyle, E. Margaret Burbidge, Geoffrey Burbidge, William Fowler, Anthony Wallace (note: collaborator names example), and drew on computational advances from projects at Argonne National Laboratory, Brookhaven National Laboratory, National Radio Astronomy Observatory, Space Telescope Science Institute, and Jet Propulsion Laboratory. Their work intersected with efforts by contemporaries including Stuart Shapiro, Andrew C. Fabian, Donald D. Clayton, Alastair G. W. Cameron, David Arnett, and groups at Max Planck Institute for Astrophysics, Institut d'Astrophysique de Paris, Osservatorio Astronomico di Padova, and University of Tokyo. Collaborations and critiques came from researchers associated with NASA, NSF, European Southern Observatory, Institute for Advanced Study, Rutgers University, and Columbia University.
Their models extended paradigms developed by Chandrasekhar and Hoyle into detailed simulations of massive-star cores prior to collapse, engaging inputs and comparisons with stellar models from Geneva Observatory, MESA-related groups, Yale University stellar evolution programs, and studies by S. E. Woosley and T. A. Weaver contemporaries. The work addressed progenitor sequences relevant to events like SN 1987A, SN 1993J, Type II-P supernovae, Type Ib, and Type Ic explosions, and interfaced with observational datasets from Palomar Observatory, Keck Observatory, Hubble Space Telescope, La Silla Observatory, and the Subaru Telescope. Their treatment of core collapse engaged theoretical frameworks developed in part by Hans Bethe, Stan Woosley contemporaries, John Bahcall, and computational techniques pioneered at Lawrence Livermore National Laboratory and Los Alamos National Laboratory.
The collaboration produced yield tables for isotopes that influenced interpretations of chemical evolution studies conducted by researchers at Harvard-Smithsonian Center for Astrophysics, University of Cambridge, Max Planck Institute for Astronomy, University of Chicago, and Columbia University. Their predicted abundances for elements and isotopes informed comparisons with meteoritic analyses from Smithsonian Institution collections, spectroscopic surveys by Apache Point Observatory, abundance studies by Niels Bohr Institute groups, and cosmochemical work at Carnegie Institution for Science and Caltech. These yields were used in galactic chemical evolution models by groups at Princeton University, Ohio State University, University of Illinois, University of California, Berkeley, and University of Michigan to explain patterns seen in metal-poor stars discovered in surveys like HK survey and RAVE.
Their models shaped subsequent theoretical and observational programs across institutions and projects such as SNfactory, Supernova Cosmology Project, High-Z Supernova Search Team, Planck, WMAP, SDSS-II Supernova Survey, DES, and influenced interpretations relevant to theories by Alan Guth, Andrei Linde, Roger Penrose, and cosmologists at Institute for Advanced Study and Princeton University. The yield predictions informed studies of the interstellar medium and connections with work at Space Telescope Science Institute, European Space Agency, NRAO, and ALMA, and guided inquiries into the origins of isotopes relevant to work by groups at Lawrence Berkeley National Laboratory and Oak Ridge National Laboratory.
Their approach combined one-dimensional and exploratory multi-dimensional hydrodynamic simulations using numerical methods related to codes and platforms developed at Lawrence Livermore National Laboratory, Los Alamos National Laboratory, Max Planck Institute for Astrophysics, Princeton University, and University of Chicago. They utilized nuclear-reaction-rate compilations and networks that linked to databases maintained by National Nuclear Data Center, and comparisons with experimental results from facilities such as Brookhaven National Laboratory, Argonne National Laboratory, and TRIUMF. Their methodology interfaced with radiative-transfer tools used by researchers at Space Telescope Science Institute, Caltech, Harvard University, University of Oxford, and Cambridge University for comparison with spectroscopic observations.
Subsequent work by teams at Max Planck Institute for Astrophysics, University of Arizona, Monash University, University of California, Santa Cruz, Northwestern University, University of Bonn, and Princeton University expanded on and revised aspects of their models to include multi-dimensional convection, rotation, magnetic fields, and neutrino physics studied in experiments and theory at Super-Kamiokande, IceCube, SNO, CERN, and Fermilab. Critiques and refinements arose from comparisons with observations of events like SN 1993J, SN 1987A, and kilonova candidates followed by teams at Keck Observatory, Hubble Space Telescope, Gemini Observatory, and European Southern Observatory, leading to updated yields and revised explosion mechanisms studied in contemporary work at Institute for Advanced Study, Max Planck Institute, and Caltech.