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Direct Observations of Interstellar H, He, and O by the Interstellar Boundary Explorer.

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Title: Direct Observations of Interstellar H, He, and O by the Interstellar Boundary Explorer.
Authors: Möbius, E., Bochsler, P., Bzowski, M., Crew, G. B., Funsten, H. O., Fuselier, S. A., Ghielmetti, A., Heirtzler, D., Izmodenov, V. V., Kubiak, M., Kucharek, H., Lee, M. A., Leonard, T., McComas, D. J., Petersen, L., Saul, L., Scheer, J. A., Schwadron, N., Witte, M., Wurz, P.
Source: Science (pre-March 2025). 11/13/2009, Vol. 326 Issue 5955, p969-971. 3p.
Subjects: Gases, Interstellar medium, Ionization of gases, Solar energetic particles, Astronomical observations, Hydrogen, Helium, Oxygen, Solar gravity, Sun
Abstract: Neutral gas of the local interstellar medium flows through the inner solar system while being deflected by solar gravity and depleted by ionization. The dominating feature in the energetic neutral atom Interstellar Boundary Explorer (IBEX) all-sky maps at low energies is the hydrogen, helium, and oxygen interstellar gas flow. The He and 0 flow peaked around 8 February 2009 in accordance with gravitational deflection, whereas H dominated after 26 March 2009, consistent with approximate balance of gravitational attraction by solar radiation pressure. The flow distributions arrive from a few degrees above the ecliptic plane and show the same temperature for He and O. An asymmetric 0 distribution in ecliptic latitude points to a secondary component from the outer heliosheath. [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Direct Observations of Interstellar H, He, and O by the Interstellar Boundary Explorer.
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  Data: <searchLink fieldCode="AR" term="%22Möbius%2C+E%2E%22">Möbius, E.</searchLink><br /><searchLink fieldCode="AR" term="%22Bochsler%2C+P%2E%22">Bochsler, P.</searchLink><br /><searchLink fieldCode="AR" term="%22Bzowski%2C+M%2E%22">Bzowski, M.</searchLink><br /><searchLink fieldCode="AR" term="%22Crew%2C+G%2E+B%2E%22">Crew, G. B.</searchLink><br /><searchLink fieldCode="AR" term="%22Funsten%2C+H%2E+O%2E%22">Funsten, H. O.</searchLink><br /><searchLink fieldCode="AR" term="%22Fuselier%2C+S%2E+A%2E%22">Fuselier, S. A.</searchLink><br /><searchLink fieldCode="AR" term="%22Ghielmetti%2C+A%2E%22">Ghielmetti, A.</searchLink><br /><searchLink fieldCode="AR" term="%22Heirtzler%2C+D%2E%22">Heirtzler, D.</searchLink><br /><searchLink fieldCode="AR" term="%22Izmodenov%2C+V%2E+V%2E%22">Izmodenov, V. V.</searchLink><br /><searchLink fieldCode="AR" term="%22Kubiak%2C+M%2E%22">Kubiak, M.</searchLink><br /><searchLink fieldCode="AR" term="%22Kucharek%2C+H%2E%22">Kucharek, H.</searchLink><br /><searchLink fieldCode="AR" term="%22Lee%2C+M%2E+A%2E%22">Lee, M. A.</searchLink><br /><searchLink fieldCode="AR" term="%22Leonard%2C+T%2E%22">Leonard, T.</searchLink><br /><searchLink fieldCode="AR" term="%22McComas%2C+D%2E+J%2E%22">McComas, D. J.</searchLink><br /><searchLink fieldCode="AR" term="%22Petersen%2C+L%2E%22">Petersen, L.</searchLink><br /><searchLink fieldCode="AR" term="%22Saul%2C+L%2E%22">Saul, L.</searchLink><br /><searchLink fieldCode="AR" term="%22Scheer%2C+J%2E+A%2E%22">Scheer, J. A.</searchLink><br /><searchLink fieldCode="AR" term="%22Schwadron%2C+N%2E%22">Schwadron, N.</searchLink><br /><searchLink fieldCode="AR" term="%22Witte%2C+M%2E%22">Witte, M.</searchLink><br /><searchLink fieldCode="AR" term="%22Wurz%2C+P%2E%22">Wurz, P.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 11/13/2009, Vol. 326 Issue 5955, p969-971. 3p.
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  Data: <searchLink fieldCode="DE" term="%22Gases%22">Gases</searchLink><br /><searchLink fieldCode="DE" term="%22Interstellar+medium%22">Interstellar medium</searchLink><br /><searchLink fieldCode="DE" term="%22Ionization+of+gases%22">Ionization of gases</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+energetic+particles%22">Solar energetic particles</searchLink><br /><searchLink fieldCode="DE" term="%22Astronomical+observations%22">Astronomical observations</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrogen%22">Hydrogen</searchLink><br /><searchLink fieldCode="DE" term="%22Helium%22">Helium</searchLink><br /><searchLink fieldCode="DE" term="%22Oxygen%22">Oxygen</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+gravity%22">Solar gravity</searchLink><br /><searchLink fieldCode="DE" term="%22Sun%22">Sun</searchLink>
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  Label: Abstract
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  Data: Neutral gas of the local interstellar medium flows through the inner solar system while being deflected by solar gravity and depleted by ionization. The dominating feature in the energetic neutral atom Interstellar Boundary Explorer (IBEX) all-sky maps at low energies is the hydrogen, helium, and oxygen interstellar gas flow. The He and 0 flow peaked around 8 February 2009 in accordance with gravitational deflection, whereas H dominated after 26 March 2009, consistent with approximate balance of gravitational attraction by solar radiation pressure. The flow distributions arrive from a few degrees above the ecliptic plane and show the same temperature for He and O. An asymmetric 0 distribution in ecliptic latitude points to a secondary component from the outer heliosheath. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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