{"id":{"repo_id":"heid-diss","oai_identifier":"oai:archiv.ub.uni-heidelberg.de:4786"},"canonical_url":"https://search.dev.ndltd.org/etd/heid-diss/oai:archiv.ub.uni-heidelberg.de:4786","repository":{"repo_id":"heid-diss","name":"Universität Heidelberg","base_url":"http://archiv.ub.uni-heidelberg.de/volltextserver/cgi/oai2"},"display":{"title":"Monitoring of the Interstellar Dust Stream in the Inner Solar System Using Data of Different Spacecraft","abstract":"Interstellar dust plays a key role in many astrophysical processes. However, until recently, astronomers could infer some properties of interstellar dust only through observations of starlight extinction and infrared emission. Therefore, the in-situ detection of interstellar dust, based on detectors carried by spacecraft, was a major step for dust astronomy. This method showed that one can learn a lot about the interstellar medium, if one decodes the information carried by the dust grains. Goal of this work is to analyse data sets for interstellar dust, that have been collected by the interplanetary probes Helios, Galileo, Ulysses and Cassini. The analysis of the in-situ data allows us to identify interstellar dust between 0.3 AU and 5 AU. In addition, the data provide in-situ evidence for the interaction of the interstellar dust stream with the heliospheric environment. In particular, the influence of the radiation pressure and of the gravitation focusing on the interstellar dust size distribution could be measured as function of the heliocentric distance.","abstract_html":"Interstellar dust plays a key role in many astrophysical processes. However, until recently, astronomers could infer some properties of interstellar dust only through observations of starlight extinction and infrared emission. Therefore, the in-situ detection of interstellar dust, based on detectors carried by spacecraft, was a major step for dust astronomy. This method showed that one can learn a lot about the interstellar medium, if one decodes the information carried by the dust grains. Goal of this work is to analyse data sets for interstellar dust, that have been collected by the interplanetary probes Helios, Galileo, Ulysses and Cassini. The analysis of the in-situ data allows us to identify interstellar dust between 0.3 AU and 5 AU. In addition, the data provide in-situ evidence for the interaction of the interstellar dust stream with the heliospheric environment. In particular, the influence of the radiation pressure and of the gravitation focusing on the interstellar dust size distribution could be measured as function of the heliocentric distance.","abstract_has_math":false,"creators":["Altobelli, Nicolas"],"institution":"Universität Heidelberg","degree_name":null,"degree_level":"thesis.doctoral","degree_discipline":null,"degree_department":null,"school":null,"contributors":["Grün, Eberhard"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2004,"date_issued":"2004-05-26","date_published":"2004-05-26","updated_at":"2026-07-24T02:29:49Z","subjects":[],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://www.ub.uni-heidelberg.de/archiv/4786","outbound_label":"Repository record","outbound_source":"source_url"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Grün, Eberhard"]},{"key":"dc:creator","label":"Author","values":["Altobelli, Nicolas"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:publisher","label":"Institution","values":["Universitätsbibliothek Heidelberg"]},{"key":"dc:type","label":"Dc Type","values":["doctoralThesis"]},{"key":"thesis:degree_level","label":"Degree Level","values":["thesis.doctoral"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Universität Heidelberg"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Interstellar dust plays a key role in many astrophysical processes. However, until recently, astronomers could infer some properties of interstellar dust only through observations of starlight extinction and infrared emission. Therefore, the in-situ detection of interstellar dust, based on detectors carried by spacecraft, was a major step for dust astronomy. This method showed that one can learn a lot about the interstellar medium, if one decodes the information carried by the dust grains. Goal of this work is to analyse data sets for interstellar dust, that have been collected by the interplanetary probes Helios, Galileo, Ulysses and Cassini. The analysis of the in-situ data allows us to identify interstellar dust between 0.3 AU and 5 AU. In addition, the data provide in-situ evidence for the interaction of the interstellar dust stream with the heliospheric environment. In particular, the influence of the radiation pressure and of the gravitation focusing on the interstellar dust size distribution could be measured as function of the heliocentric distance.","Interstellarer Staub spielt eine entscheidende Rolle in vielen astronomischen Prozessen. Dennoch waren die Astronomen bis vor Kurzem auf die Beobachtung des durch interstellare Staubteilchen gestreuten Lichts angewiesen, um die Staubkomponente unserer Galaxie zu erforschen. Die in-situ Detektion von interstellarem Staub mit Detektoren auf Raumsonden ermöglichte also einen grossen Schritt für die Staubastronomie. Diese Methode bewies, dass man viel über das interstellare Medium lernen kann, indem man die in den interstellaren Staubteilchen verborgene Information entschlüsselt. Ziel der vorliegenden Arbeit ist es, Datensätze nach interstellaren Staub zu analysieren, die in den vergangenen Jahren von den interplanetaren Raumsonden Helios, Galileo, Ulysses und Cassini gewonnen wurden. Durch die Analyse dieser in-situ Daten wurden interstellare Staubteilchen zwischen 0.3 AE und 5 AE identifiziert. Zusätzlich liefern die Daten einen direkten Nachweis der Wechselwirkung des interstellaren Staubes mit der heliosphärischen Umgebung. Insbesondere konnte der Einfluss sowohl des Strahlungsdrucks als auch des Fokusierungseffekts durch Gravitation auf die Grössenverteilung der interstellaren Teilchen als Funktion der heliozentrischen Distanz gemessen werden."]},{"key":"dc:format.medium","label":"Dc Format Medium","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Monitoring of the Interstellar Dust Stream in the Inner Solar System Using Data of Different Spacecraft","Analyse des interstellaren Staubstromes im inneren Sonnensystem mittels in-situ Daten verschiedener Raumsonden"]}]}],"canonical_facts":{"dc:contributor":["Grün, Eberhard"],"dc:creator":["Altobelli, Nicolas"],"dc:description.abstract":["Interstellar dust plays a key role in many astrophysical processes. However, until recently, astronomers could infer some properties of interstellar dust only through observations of starlight extinction and infrared emission. Therefore, the in-situ detection of interstellar dust, based on detectors carried by spacecraft, was a major step for dust astronomy. This method showed that one can learn a lot about the interstellar medium, if one decodes the information carried by the dust grains. Goal of this work is to analyse data sets for interstellar dust, that have been collected by the interplanetary probes Helios, Galileo, Ulysses and Cassini. The analysis of the in-situ data allows us to identify interstellar dust between 0.3 AU and 5 AU. In addition, the data provide in-situ evidence for the interaction of the interstellar dust stream with the heliospheric environment. In particular, the influence of the radiation pressure and of the gravitation focusing on the interstellar dust size distribution could be measured as function of the heliocentric distance.","Interstellarer Staub spielt eine entscheidende Rolle in vielen astronomischen Prozessen. Dennoch waren die Astronomen bis vor Kurzem auf die Beobachtung des durch interstellare Staubteilchen gestreuten Lichts angewiesen, um die Staubkomponente unserer Galaxie zu erforschen. Die in-situ Detektion von interstellarem Staub mit Detektoren auf Raumsonden ermöglichte also einen grossen Schritt für die Staubastronomie. Diese Methode bewies, dass man viel über das interstellare Medium lernen kann, indem man die in den interstellaren Staubteilchen verborgene Information entschlüsselt. Ziel der vorliegenden Arbeit ist es, Datensätze nach interstellaren Staub zu analysieren, die in den vergangenen Jahren von den interplanetaren Raumsonden Helios, Galileo, Ulysses und Cassini gewonnen wurden. Durch die Analyse dieser in-situ Daten wurden interstellare Staubteilchen zwischen 0.3 AE und 5 AE identifiziert. Zusätzlich liefern die Daten einen direkten Nachweis der Wechselwirkung des interstellaren Staubes mit der heliosphärischen Umgebung. Insbesondere konnte der Einfluss sowohl des Strahlungsdrucks als auch des Fokusierungseffekts durch Gravitation auf die Grössenverteilung der interstellaren Teilchen als Funktion der heliozentrischen Distanz gemessen werden."],"dc:format.medium":["application/pdf"],"dc:publisher":["Universitätsbibliothek Heidelberg"],"dc:title":["Monitoring of the Interstellar Dust Stream in the Inner Solar System Using Data of Different Spacecraft","Analyse des interstellaren Staubstromes im inneren Sonnensystem mittels in-situ Daten verschiedener Raumsonden"],"dc:type":["doctoralThesis"],"thesis:degree_level":["thesis.doctoral"],"thesis:institution_name":["Universität Heidelberg"]},"updated_at":"2026-07-24T02:29:49Z"}