New Constraints on the Abundance of 60Fe in the Early Solar System

Trappitsch, Reto; Boehnke, Patrick; Stephan, Thomas; Telus, Myriam; Savina, Michael R.; Pardo, Olivia; Davis, Andrew M.; Dauphas, Nicolas; Pellin, Michael J.; Huss, Gary R.

doi:10.3847/2041-8213/aabba9

Title: New Constraints on the Abundance of ⁶⁰Fe in the Early Solar System

Abstract

Establishing the abundance of the extinct radionuclide ⁶⁰Fe (half-life 2.62 Ma) in the early solar system is important for understanding the astrophysical context of solar system formation. While bulk measurements of early solar system phases show a low abundance consistent with galactic background, some in situ measurements by secondary ion mass spectrometry (SIMS) imply a higher abundance, which would require injection from a nearby supernova (SN). In this paper, we present in situ nickel isotopic analyses by resonance ionization mass spectrometry (RIMS) in a chondrule from the primitive meteorite Semarkona (LL3.00). The same chondrule had been previously analyzed by SIMS. Despite improved precision compared to SIMS, the RIMS nickel isotopic data do not reveal any resolved excesses of ⁶⁰Ni that could be unambiguously ascribed to in situ ⁶⁰Fe decay. Linear regression of ⁶⁰Ni/⁵⁸Ni versus ⁵⁶Fe/⁵⁸Ni yields an initial ⁶⁰Fe/⁵⁶Fe ratio for this chondrule of (3.8 ± 6.9) × 10^-8, which is consistent with both the low initial value found by bulk measurements and the low end of the range of initial ratios inferred from some in situ work. The same regression also gives a solar initial ⁶⁰Ni/⁵⁸Ni ratio, which shows that this sample was not disturbed by nickel mobilization, thusmore »« less

Authors:

^[1]; Boehnke, Patrick ^[2];

^[2]; Telus, Myriam ^[3]; Savina, Michael R. ^[1]; Pardo, Olivia ^[2];

^[4]; Dauphas, Nicolas ^[4]; Pellin, Michael J. ^[5]; Huss, Gary R. ^[6]

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States). Nuclear and Chemical Sciences Division
Univ. of Chicago, IL (United States). Dept. of the Geophysical Sciences; Chicago Center for Cosmochemistry, IL (United States)
Univ. of California, Santa Cruz, CA (United States). Earth and Planetary Sciences
Univ. of Chicago, IL (United States). Dept. of the Geophysical Sciences. Enrico Fermi Inst.; Chicago Center for Cosmochemistry, IL (United States)
Univ. of Chicago, IL (United States). Dept. of the Geophysical Sciences. Enrico Fermi Inst.; Chicago Center for Cosmochemistry, IL (United States); Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division
Univ. of Hawaii, Honolulu, HI (United States). Hawai'i Inst. of Geophysics and Planetology. School of Ocean, Earth Science and Technology

Publication Date:: Thu Apr 19 00:00:00 EDT 2018

Research Org.:: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Univ. of Chicago, IL (United States); Univ. of Hawaii, Honolulu, HI (United States)

Sponsoring Org.:: USDOE; LLNL Laboratory Directed Research and Development (LDRD) Program; National Aeronautics and Space Administration (NASA); National Science Foundation (NSF)

OSTI Identifier:: 1438675

Report Number(s):: LLNL-JRNL-740364
Journal ID: ISSN 2041-8213; TRN: US1900482

Grant/Contract Number:: AC52-07NA27344; NNX15AF78G; 80NSSC17K0250; 80NSSC17K0251; NNX17AE86G; NNX17AE87G; NNX15AJ25G; NNX11AG78G; NNX14AI19G; EAR1502591; EAR1444951

Resource Type:: Accepted Manuscript

Journal Name:: The Astrophysical Journal. Letters (Online)

Additional Journal Information:: Journal Name: The Astrophysical Journal. Letters (Online); Journal Volume: 857; Journal Issue: 2; Journal ID: ISSN 2041-8213

Publisher:: Institute of Physics (IOP)

Country of Publication:: United States

Language:: English

Subject:: 79 ASTRONOMY AND ASTROPHYSICS; meteorites; meteors; meteoroids; protoplanetary disks; Sun; abundances

Citation Formats


                    Trappitsch, Reto, Boehnke, Patrick, Stephan, Thomas, Telus, Myriam, Savina, Michael R., Pardo, Olivia, Davis, Andrew M., Dauphas, Nicolas, Pellin, Michael J., and Huss, Gary R. New Constraints on the Abundance of 60Fe in the Early Solar System.  United States: N. p., 2018. 
Web.  doi:10.3847/2041-8213/aabba9.

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                    Trappitsch, Reto, Boehnke, Patrick, Stephan, Thomas, Telus, Myriam, Savina, Michael R., Pardo, Olivia, Davis, Andrew M., Dauphas, Nicolas, Pellin, Michael J., & Huss, Gary R. New Constraints on the Abundance of 60Fe in the Early Solar System.  United States.  https://doi.org/10.3847/2041-8213/aabba9

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                    Trappitsch, Reto, Boehnke, Patrick, Stephan, Thomas, Telus, Myriam, Savina, Michael R., Pardo, Olivia, Davis, Andrew M., Dauphas, Nicolas, Pellin, Michael J., and Huss, Gary R. Thu .  
"New Constraints on the Abundance of 60Fe in the Early Solar System".  United States.  https://doi.org/10.3847/2041-8213/aabba9.  https://www.osti.gov/servlets/purl/1438675.

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@article{osti_1438675,

  title        = {New Constraints on the Abundance of 60Fe in the Early Solar System},

  author       = {Trappitsch, Reto and Boehnke, Patrick and Stephan, Thomas and Telus, Myriam and Savina, Michael R. and Pardo, Olivia and Davis, Andrew M. and Dauphas, Nicolas and Pellin, Michael J. and Huss, Gary R.},

  abstractNote = {Establishing the abundance of the extinct radionuclide 60Fe (half-life 2.62 Ma) in the early solar system is important for understanding the astrophysical context of solar system formation. While bulk measurements of early solar system phases show a low abundance consistent with galactic background, some in situ measurements by secondary ion mass spectrometry (SIMS) imply a higher abundance, which would require injection from a nearby supernova (SN). In this paper, we present in situ nickel isotopic analyses by resonance ionization mass spectrometry (RIMS) in a chondrule from the primitive meteorite Semarkona (LL3.00). The same chondrule had been previously analyzed by SIMS. Despite improved precision compared to SIMS, the RIMS nickel isotopic data do not reveal any resolved excesses of 60Ni that could be unambiguously ascribed to in situ 60Fe decay. Linear regression of 60Ni/58Ni versus 56Fe/58Ni yields an initial 60Fe/56Fe ratio for this chondrule of (3.8 ± 6.9) × 10-8, which is consistent with both the low initial value found by bulk measurements and the low end of the range of initial ratios inferred from some in situ work. The same regression also gives a solar initial 60Ni/58Ni ratio, which shows that this sample was not disturbed by nickel mobilization, thus agreeing with a low initial 60Fe/56Fe ratio. These findings agree with a re-evaluation of previous SIMS measurements of the same sample. Finally, supernova injection of 60Fe into the solar system or its parental cloud material is therefore not necessary to account for the measured solar system's initial amount of 60Fe.},

  doi          = {10.3847/2041-8213/aabba9},

  journal      = {The Astrophysical Journal. Letters (Online)},

  number       = 2,

  volume       = 857,

  place        = {United States},

  year         = {Thu Apr 19 00:00:00 EDT 2018},

  month        = {Thu Apr 19 00:00:00 EDT 2018}

}

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Title: New Constraints on the Abundance of 60Fe in the Early Solar System

Abstract

Citation Formats

CHILI – the Chicago Instrument for Laser Ionization – a new tool for isotope measurements in cosmochemistry journal, August 2016

The Isotope Geochemistry of Ni journal, January 2017

Recalculation of data for short-lived radionuclide systems using less-biased ratio estimation: Recalculation of data using less-biased ratio estimation journal, December 2012

Fossil records of high level of 60Fe in chondrules from unequilibrated chondrites journal, July 2014

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Differentiation of planetesimals and the thermal consequences of melt migration: Differentiation of planetesimals journal, May 2011

SPI observations of the diffuse 60 Fe emission in the Galaxy journal, May 2007

26Al–26Mg and 207Pb–206Pb systematics of Allende CAIs: Canonical solar initial 26Al/27Al ratio reinstated journal, July 2008

Fe–Ni and Al–Mg isotope records in UOC chondrules: Plausible stellar source of 60Fe and other short-lived nuclides in the early Solar System journal, May 2014

Evolution of protoplanetary disk inferred from 26Al chronology of individual chondrules: Disk evolution and 26Al chronology of chondrules journal, October 2011

Stellar sources of the short-lived radionuclides in the early solar system journal, September 2009

Isotopic mass fractionation laws for magnesium and their effects on 26Al–26Mg systematics in solar system materials journal, June 2015

Intermediate-mass Asymptotic Giant Branch Stars and Sources of 26 Al, 60 Fe, 107 Pd, and 182 Hf in the Solar System journal, February 2017

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Dating the Martian meteorite Zagami by the 87 Rb‐ 87 Sr isochron method with a prototype in situ resonance ionization mass spectrometer journal, December 2014

Inheritance of solar short- and long-lived radionuclides from molecular clouds and the unexceptional nature of the solar system journal, April 2014

Simultaneous iron and nickel isotopic analyses of presolar silicon carbide grains journal, January 2018

The New “York” Regression: Application of an Improved Statistical Method to Geochemistry journal, April 1996

Injection mechanisms of short-lived radionuclides and their homogenization journal, September 2009

Triggered Star Formation inside the Shell of a Wolf–Rayet Bubble as the Origin of the Solar System journal, December 2017

Ratio estimation in SIMS analysis journal, September 2011

Abundance of 60 Fe inferred from nanoSIMS study of QUE 97008 (L3.05) chondrules journal, February 2016

Abundance, distribution, and origin of 60Fe in the solar protoplanetary disk journal, December 2012

Solar system genealogy revealed by extinct short-lived radionuclides in meteorites journal, August 2012

Absolute isotopic abundance ratios and atomic weight of a reference sample of nickel journal, November 1989

Determination of the absolute isotopic composition and Atomic Weight of a reference sample of natural iron journal, November 1992

26 Al AND THE FORMATION OF THE SOLAR SYSTEM FROM A MOLECULAR CLOUD CONTAMINATED BY WOLF-RAYET WINDS journal, April 2009

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A Test of the Supernova Trigger Hypothesis with [TSUP]60[/TSUP]F[CLC]e[/CLC] and [TSUP]26[/TSUP]A[CLC]l[/CLC] journal, June 1998

Who Pulled the Trigger: a Supernova or an Asymptotic Giant Branch Star? journal, June 2010

Statistical bias in isotope ratios journal, January 2013

New Measurement of the Fe 60 Half-Life journal, August 2009

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Triggered Star Formation inside the Shell of a Wolf-Rayet Bubble as the Origin of the Solar System journal, August 2018

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60Fe in core-collapse supernovae and prospects for X-ray and gamma-ray detection in supernova remnants journal, February 2019

Refractory inclusions in carbonaceous chondrites: Records of early solar system processes journal, June 2019

Short-lived radioactivities in the early solar system: A fossil record of our origins in stars journal, July 2018

Presolar Silicon Carbide Grains of Types Y and Z: Their Molybdenum Isotopic Compositions and Stellar Origins journal, August 2019

The Formation of Solar System Analogs in Young Star Clusters text, January 2018

Presolar Silicon Carbide Grains of Types Y and Z: Their Molybdenum Isotopic Compositions and Stellar Origins text, January 2019

Title: New Constraints on the Abundance of ⁶⁰Fe in the Early Solar System

CHILI – the Chicago Instrument for Laser Ionization – a new tool for isotope measurements in cosmochemistry
journal, August 2016

The Isotope Geochemistry of Ni
journal, January 2017

Recalculation of data for short-lived radionuclide systems using less-biased ratio estimation: Recalculation of data using less-biased ratio estimation
journal, December 2012

Fossil records of high level of 60Fe in chondrules from unequilibrated chondrites
journal, July 2014

In situ 60Fe-60Ni systematics of chondrules from unequilibrated ordinary chondrites
journal, January 2018

Differentiation of planetesimals and the thermal consequences of melt migration: Differentiation of planetesimals
journal, May 2011

SPI observations of the diffuse ⁶⁰ Fe emission in the Galaxy
journal, May 2007

26Al–26Mg and 207Pb–206Pb systematics of Allende CAIs: Canonical solar initial 26Al/27Al ratio reinstated
journal, July 2008

Fe–Ni and Al–Mg isotope records in UOC chondrules: Plausible stellar source of 60Fe and other short-lived nuclides in the early Solar System
journal, May 2014

Evolution of protoplanetary disk inferred from 26Al chronology of individual chondrules: Disk evolution and 26Al chronology of chondrules
journal, October 2011

Stellar sources of the short-lived radionuclides in the early solar system
journal, September 2009

Isotopic mass fractionation laws for magnesium and their effects on 26Al–26Mg systematics in solar system materials
journal, June 2015

Intermediate-mass Asymptotic Giant Branch Stars and Sources of ²⁶ Al, ⁶⁰ Fe, ¹⁰⁷ Pd, and ¹⁸² Hf in the Solar System
journal, February 2017

Mobility of iron and nickel at low temperatures: Implications for 60Fe–60Ni systematics of chondrules from unequilibrated ordinary chondrites
journal, April 2016

Dating the Martian meteorite Zagami by the ⁸⁷ Rb‐ ⁸⁷ Sr isochron method with a prototype in situ resonance ionization mass spectrometer
journal, December 2014

Inheritance of solar short- and long-lived radionuclides from molecular clouds and the unexceptional nature of the solar system
journal, April 2014

Simultaneous iron and nickel isotopic analyses of presolar silicon carbide grains
journal, January 2018

The New “York” Regression: Application of an Improved Statistical Method to Geochemistry
journal, April 1996

Injection mechanisms of short-lived radionuclides and their homogenization
journal, September 2009

Triggered Star Formation inside the Shell of a Wolf–Rayet Bubble as the Origin of the Solar System
journal, December 2017

Ratio estimation in SIMS analysis
journal, September 2011

Abundance of 60 Fe inferred from nanoSIMS study of QUE 97008 (L3.05) chondrules
journal, February 2016

Abundance, distribution, and origin of 60Fe in the solar protoplanetary disk
journal, December 2012

Solar system genealogy revealed by extinct short-lived radionuclides in meteorites
journal, August 2012

Absolute isotopic abundance ratios and atomic weight of a reference sample of nickel
journal, November 1989

Determination of the absolute isotopic composition and Atomic Weight of a reference sample of natural iron
journal, November 1992

²⁶ Al AND THE FORMATION OF THE SOLAR SYSTEM FROM A MOLECULAR CLOUD CONTAMINATED BY WOLF-RAYET WINDS
journal, April 2009

Mass Fractionation Laws, Mass-Independent Effects, and Isotopic Anomalies
journal, June 2016

A Test of the Supernova Trigger Hypothesis with [TSUP]60[/TSUP]F[CLC]e[/CLC] and [TSUP]26[/TSUP]A[CLC]l[/CLC]
journal, June 1998

Who Pulled the Trigger: a Supernova or an Asymptotic Giant Branch Star?
journal, June 2010

Statistical bias in isotope ratios
journal, January 2013

New Measurement of the ${}^{60}{Fe}$ Half-Life
journal, August 2009

LOW ⁶⁰ FE ABUNDANCE IN SEMARKONA AND SAHARA 99555
journal, March 2015

Least squares fitting of a straight line with correlated errors
journal, January 1968

Triggered Star Formation inside the Shell of a Wolf-Rayet Bubble as the Origin of the Solar System
journal, August 2018

Al-26 and the formation of the Solar System from a molecular cloud contaminated by Wolf-Rayet winds
text, January 2009

Abundance, distribution, and origin of 60Fe in the solar protoplanetary disk
text, January 2012

The formation of solar-system analogs in young star clusters
journal, January 2019

On the Origin of Early Solar System Radioactivities: Problems with the Asymptotic Giant Branch and Massive Star Scenarios
journal, August 2018

60Fe in core-collapse supernovae and prospects for X-ray and gamma-ray detection in supernova remnants
journal, February 2019

Refractory inclusions in carbonaceous chondrites: Records of early solar system processes
journal, June 2019

Short-lived radioactivities in the early solar system: A fossil record of our origins in stars
journal, July 2018

Presolar Silicon Carbide Grains of Types Y and Z: Their Molybdenum Isotopic Compositions and Stellar Origins
journal, August 2019

The Formation of Solar System Analogs in Young Star Clusters
text, January 2018

Presolar Silicon Carbide Grains of Types Y and Z: Their Molybdenum Isotopic Compositions and Stellar Origins
text, January 2019