The late Miocene 10Be anomaly and the possibility of a supernova
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A_____%2F25%3A00639692" target="_blank" >RIV/67985815:_____/25:00639692 - isvavai.cz</a>
Result on the web
<a href="https://hdl.handle.net/11104/0370226" target="_blank" >https://hdl.handle.net/11104/0370226</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1051/0004-6361/202556253" target="_blank" >10.1051/0004-6361/202556253</a>
Alternative languages
Result language
angličtina
Original language name
The late Miocene 10Be anomaly and the possibility of a supernova
Original language description
Recent measurements of cosmogenic Be-10 in deep-ocean ferromanganese crusts from the central and northern Pacific have revealed an anomalous concentration between 11.5 and 9.0 Myr ago, peaking at 10.1 Myr. One possible explanation is a nearby supernova (SN) event. Motivated by this and by the proximity of the Solar System to the Orion star-forming region during that period, we estimated the probability that at least one SN occurred between the onset and peak of the anomaly. Using an open cluster catalog based on Gaia DR3, we traced back the orbits of 2725 clusters and the Sun over the past 20 Myr and computed the expected number of SN events. We found 19 clusters with a probability greater than 1% each of producing at least one SN within 100 pc of the Sun in the time interval 11.5-10.1 Myr ago. The total cumulative probability exceeds zero at 35 pc from the Sun and increases rapidly with distance, reaching 68% near 100 pc. Two young clusters dominate the SN probability: ASCC 20 contributes most within 70 pc, while OCSN 61 becomes more significant beyond that distance. Our results support the possibility of an SN origin for the Be-10 anomaly and highlight the importance of additional Be-10 records from independent terrestrial archives to determine whether the anomaly is of astrophysical or terrestrial origin.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10308 - Astronomy (including astrophysics,space science)
Result continuities
Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Astronomy & Astrophysics
ISSN
0004-6361
e-ISSN
1432-0746
Volume of the periodical
701
Issue of the periodical within the volume
Sept.
Country of publishing house
FR - FRANCE
Number of pages
9
Pages from-to
L14
UT code for WoS article
001578912300007
EID of the result in the Scopus database
2-s2.0-105017374568