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Proceedings of the International Astronomical Union Proceedings of the International Astronomical Union

Article contents

The role of automated methods for filament finding in understanding the complex relationship between filaments, magnetic fields and star formation

Published online by Cambridge University Press:  13 January 2020

Maria R. Cunningham [Opens in a new window] ,
Claire-Elise Green ,
Paul A. Jones ,
Giles Novak  and
Laura Fissel
Maria R. Cunningham
Affiliation:
School of Physics, University of New South Wales Sydney, NSW, 2052, Australia email: maria.cunningham@unsw.edu.au
Claire-Elise Green
Affiliation:
School of Physics, University of New South Wales Sydney, NSW, 2052, Australia email: maria.cunningham@unsw.edu.au
Paul A. Jones
Affiliation:
School of Physics, University of New South Wales Sydney, NSW, 2052, Australia email: maria.cunningham@unsw.edu.au
Giles Novak
Affiliation:
Department of Physics and Astronomy North-Western University 2145 Sheridan Road Evanston, IL 60208-3112 USA
Laura Fissel
Affiliation:
NRAO Charlottesville USA
Corresponding
E-mail address:
maria.cunningham@unsw.edu.au
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Abstract

The discovery of the ubiquity of filaments in the interstellar medium in the last two decades has begged the question: “What role do filaments play in star formation?” Here we describe how our automated filament finding algorithms can combine with both magnetic field measurements and high-resolution observations of dense cores in these filaments, to provide a statistically large sample to investigate the effect of filaments on star formation. We find that filaments are likely actively accreting mass from the interstellar medium, explaining why some 60% of stars, and all massive stars, form “on-filament”.

Keywords

Stars: formation ISM: molecules
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S345: Origins: From the Protosun to the First Steps of Life , August 2018 , pp. 23 - 26
Copyright
© International Astronomical Union 2020 

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References

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