| Issue |
A&A
Volume 698, May 2025
|
|
|---|---|---|
| Article Number | A138 | |
| Number of page(s) | 31 | |
| Section | The Sun and the Heliosphere | |
| DOI | https://doi.org/10.1051/0004-6361/202453532 | |
| Published online | 06 June 2025 | |
Interstellar dust measured in situ by Ulysses: New aspects of the particle size distribution and its modulation by the heliosheath
1
ETH Zürich, Institute for Particle and Astroparticle Physics, 8093 Zürich, Switzerland
2
Freie Universität Berlin, Institute of Geological Sciences, 12249 Berlin, Germany
3
MPI für Sonnensystemforschung, 37077 Göttingen, Germany
4
Planetary Exploration Research Center, Chiba Institute of Technology, Narashino, Chiba 275-0016, Japan
5
University of Applied Sciences and Arts Northwestern Switzerland, School of Engineering, 5210 Windisch, Switzerland
⋆ Corresponding author: mail@lennart-baalmann.de
Received:
19
December
2024
Accepted:
10
April
2025
Interstellar dust (ISD) enters the heliosphere from the direction of its nose. It is first modulated by the heliosheath and then the inner heliosphere before it is measured by the dust detectors on board of spacecraft, for example on Ulysses. Various criteria exist to distinguish ISD from the dust of other sources, and different methods exist to determine the particle masses and impact speeds from the measurements.
Key words: Sun: heliosphere / interplanetary medium / dust / extinction / ISM: general
© The Authors 2025
Open Access article, published by EDP Sciences, under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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