Enhanced production of 60Fe in massive starsOPEN ACCESS
A. Spyrou, D. Richman, A. Couture, C. E. Fields, S. N. Liddick, K. Childers, B. P. Crider, P. A. DeYoung, A. C. Dombos, P. Gastis, M. Guttormsen, K. Hermansen, A. C. Larsen, R. Lewis, S….
Presolar Grains As Probes of Supernova NucleosynthesisOPEN ACCESS
Nan Liu, Maria Lugaro, Jan Leitner, Bradley S. Meyer, Maria Schönbächler Accepted by Space Science Reviews PDF (OPEN ACCESS) Update (12 November 2024), Space Science Reviews, Volume 220, article number 88:LINK (OPEN ACCESS)PDF (OPEN ACCESS)…
Ba and Sr isotopic patterns from step-leaching experiments on the pristine Aguas Zarcas CM2 meteorite
Liam S. T. McGovern, Bruce L. A. Charlier, Colin J. N. Wilson MAPS, Version of Record online: 19 October 2024 LINK “Stepwise acid leaching experiments were performed on the pre-rain CM2 fall Aguas Zarcas to…
New Constraints for Supernova Models from Presolar Silicon Carbide X Grains with Very High 26Al/27Al RatiosOPEN ACCESS
Peter Hoppe, Jan Leitner, Marco Pignatari, and Sachiko Amari The Astrophysical Journal Letters, Volume 943, Number 2 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We report C, N, Mg-Al, Si, and S isotope data of six 1–3μm-sized…
Evidence for Enrichment of Niobium-92 in the Outer Protosolar DiskOPEN ACCESS
Yuki Hibiya, Tsuyoshi Iizuka, Hatsuki Enomoto, and Takehito Hayakawa The Astrophysical Journal Letters, Volume 942, Number 1 LINK (OPEN ACCESS)PDF (OPEN ACCESS) The short-lived radionuclide, niobium-92 (92Nb), has been used to estimate the site of…
Lithium and boron isotopic compositions of olivine in chondrules from carbonaceous and ordinary chondrite meteorites: implications for the origin of solar 11B/10B ratioOPEN ACCESS
Ming-Chang Liu, Marc Chaussidon, Nozomi Matsuda Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 5 December 2022 LINK (OPEN ACCESS) “The origin of solar 11B/10B ratio ∼4 remains an open question. It has been…
Possible Implications of Relatively High Levels of Initial 60Fe in Iron Meteorites for the Non-Carbonaceous — Carbonaceous Meteorite Dichotomy and Solar Nebula FormationOPEN ACCESS
Alan P. Bossaccepted for ApJ PDF (OPEN ACCESS) Update (28 June 2022): The Astrophysical Journal, Volume 933, Number 1Published: 28 June 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Cook et al. (2021) found that iron meteorites…
Nucleosynthesis of an 11.8 M ⊙ Supernova with 3D Simulation of the Inner Ejecta: Overall Yields and Implications for Short-lived Radionuclides in the Early Solar System
A. Sieverding, B. Müller, and Y.-Z. Qian The Astrophysical Journal, Volume 904, Number 2Published: 1 December 2020 LINK “Based on a 3D supernova simulation of an 11.8 M ⊙ progenitor model with an initial solar…
Interstellar 60Fe in Antarctica
Dominik Koll, Gunther Korschinek, Thomas Faestermann, J. M. Gómez-Guzmán, Sepp Kipfstuhl, Silke Merchel, and Jan M. Welch Phys. Rev. Lett. 123, 072701 – Published 12 August 2019 LINK “Earth is constantly bombarded with extraterrestrial dust containing…
Triggering Collapse of the Presolar Dense Cloud Core and Injecting Short-Lived Radioisotopes with a Shock Wave. VI. Protostar and Protoplanetary Disk FormationOPEN ACCESS
Alan P. Boss accepted by ApJ Submitted: 12 November, 2018 PDF (OPEN ACCESS) “Cosmochemical evaluations of the initial meteoritical abundance of the short-lived radioisotope (SLRI) 26Al have remained fairly constant since 1976, while estimates for…
Triggering Collapse of the Presolar Dense Cloud Core and Injecting Short-Lived Radioisotopes with a Shock Wave. V. Nonisothermal Collapse RegimeOPEN ACCESS
Alan P. Boss accepted by ApJ PDF (OPEN ACCESS) “Recent meteoritical analyses support an initial abundance of the short-lived radioisotope $^{60}$Fe that may be high enough to require nucleosynthesis in a core collapse supernova, followed…
In situ 60Fe-60Ni Systematics of Chondrules from Unequilibrated Ordinary Chondrites
Myriam Telus, Gary R. Huss, Kazuhide Nagashima, Ryan C. Ogliore, Shogo Tachibana Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 June 2017 LINK “The initial 60Fe/56Fe ratio of chondrules from unequilibrated ordinary…
Correlated XANES, TEM, and NanoSIMS of Presolar Graphite Grains
Evan E. Groopman, Larry R. Nittler Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 20 February 2017 LINK “We report correlated XANES, TEM, and NanoSIMS measurements of twelve presolar graphite grains extracted from…
A renewed search for short-lived 126Sn in the early Solar System: Hydride generation MC-ICPMS for high sensitivity Te isotopic analysis
Gregory A. Brennecka, Lars E. Borg, Stephen J. Romaniello, Amanda K. Souders, Quinn R. Shollenberger, Naomi E. Marks, Meenakshi Wadhwa Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 October 2016 LINK “Although…
The abundance of 26Al-rich planetary systems in the Galaxy
Matthieu Gounelle Astronomy & Astrophysics, Volume 582, October 2015 Published online: 30 September 2015 LINK “One of the most puzzling properties of the solar system is the high abundance at its birth of 26Al, a…
A Renewed Search for Extant 126Sn: Te Isotopics of Allende CAIs Obtained by HG-ICPMS
Brennecka G, Borg L, Romaniello S, Souders AK & Wadhwa M Goldschmidt 2015, Prague, 16-21 August 2015 PDF (abstract)