Comparison of interstellar boundary explorer observations with 3D global heliospheric models

N. A. Schwadron; M. Bzowski; G. B. Crew; M. Gruntman; H. Fahr; H. Fichtner; P. C. Frisch; H. O. Funsten; S. Fuselier; J. Heerikhuisen; V. Izmodenov; H. Kucharek; M. Lee; G. Livadiotis; D. J. McComas; E. Moebius; T. Moore; J. Mukherjee; N. V. Pogorelov; C. Prested; D. Reisenfeld; E. Roelof; G. P. Zank

doi:10.1126/science.1180986

Comparison of interstellar boundary explorer observations with 3D global heliospheric models

N. A. Schwadron, M. Bzowski, G. B. Crew, M. Gruntman, H. Fahr, H. Fichtner, P. C. Frisch, H. O. Funsten, S. Fuselier, J. Heerikhuisen, V. Izmodenov, H. Kucharek, M. Lee, G. Livadiotis, D. J. McComas, E. Moebius, T. Moore, J. Mukherjee, N. V. Pogorelov, C. PrestedD. Reisenfeld, E. Roelof, G. P. Zank

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Abstract

Simulations of energetic neutral atom (ENA) maps predict flux magnitudes that are, in some cases, similar to those observed by the Interstellar Boundary Explorer (IBEX) spacecraft, but they miss the ribbon. Our model of the heliosphere indicates that the local interstellar medium (LISM) magnetic field (B_LISM) is transverse to the line of sight (LOS) along the ribbon, suggesting that the ribbon may carry its imprint. The force-per-unit area on the heliopause from field line draping and the LISM ram pressure is comparable with the ribbon pressure if the LOS ∼ 30 to 60 astronomical units and B _LISM ∼ 2.5 microgauss. Although various models have advantages in accounting for some of the observations, no model can explain all the dominant features, which probably requires a substantial change in our understanding of the processes that shape our heliosphere.

Original language	English (US)
Pages (from-to)	966-968
Number of pages	3
Journal	Science
Volume	326
Issue number	5955
DOIs	https://doi.org/10.1126/science.1180986
State	Published - Nov 13 2009
Externally published	Yes

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Schwadron, N. A., Bzowski, M., Crew, G. B., Gruntman, M., Fahr, H., Fichtner, H., Frisch, P. C., Funsten, H. O., Fuselier, S., Heerikhuisen, J., Izmodenov, V., Kucharek, H., Lee, M., Livadiotis, G., McComas, D. J., Moebius, E., Moore, T., Mukherjee, J., Pogorelov, N. V., ... Zank, G. P. (2009). Comparison of interstellar boundary explorer observations with 3D global heliospheric models. Science, 326(5955), 966-968. https://doi.org/10.1126/science.1180986

@article{1eb5fe02b9db4ff0822b2d8cf5c0eb10,

title = "Comparison of interstellar boundary explorer observations with 3D global heliospheric models",

abstract = "Simulations of energetic neutral atom (ENA) maps predict flux magnitudes that are, in some cases, similar to those observed by the Interstellar Boundary Explorer (IBEX) spacecraft, but they miss the ribbon. Our model of the heliosphere indicates that the local interstellar medium (LISM) magnetic field (BLISM) is transverse to the line of sight (LOS) along the ribbon, suggesting that the ribbon may carry its imprint. The force-per-unit area on the heliopause from field line draping and the LISM ram pressure is comparable with the ribbon pressure if the LOS ∼ 30 to 60 astronomical units and B LISM ∼ 2.5 microgauss. Although various models have advantages in accounting for some of the observations, no model can explain all the dominant features, which probably requires a substantial change in our understanding of the processes that shape our heliosphere.",

author = "Schwadron, {N. A.} and M. Bzowski and Crew, {G. B.} and M. Gruntman and H. Fahr and H. Fichtner and Frisch, {P. C.} and Funsten, {H. O.} and S. Fuselier and J. Heerikhuisen and V. Izmodenov and H. Kucharek and M. Lee and G. Livadiotis and McComas, {D. J.} and E. Moebius and T. Moore and J. Mukherjee and Pogorelov, {N. V.} and C. Prested and D. Reisenfeld and E. Roelof and Zank, {G. P.}",

year = "2009",

month = nov,

day = "13",

doi = "10.1126/science.1180986",

language = "English (US)",

volume = "326",

pages = "966--968",

journal = "Science",

issn = "0036-8075",

publisher = "American Association for the Advancement of Science",

number = "5955",

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Schwadron, NA, Bzowski, M, Crew, GB, Gruntman, M, Fahr, H, Fichtner, H, Frisch, PC, Funsten, HO, Fuselier, S, Heerikhuisen, J, Izmodenov, V, Kucharek, H, Lee, M, Livadiotis, G, McComas, DJ, Moebius, E, Moore, T, Mukherjee, J, Pogorelov, NV, Prested, C, Reisenfeld, D, Roelof, E & Zank, GP 2009, 'Comparison of interstellar boundary explorer observations with 3D global heliospheric models', Science, vol. 326, no. 5955, pp. 966-968. https://doi.org/10.1126/science.1180986

TY - JOUR

T1 - Comparison of interstellar boundary explorer observations with 3D global heliospheric models

AU - Schwadron, N. A.

AU - Bzowski, M.

AU - Crew, G. B.

AU - Gruntman, M.

AU - Fahr, H.

AU - Fichtner, H.

AU - Frisch, P. C.

AU - Funsten, H. O.

AU - Fuselier, S.

AU - Heerikhuisen, J.

AU - Izmodenov, V.

AU - Kucharek, H.

AU - Lee, M.

AU - Livadiotis, G.

AU - McComas, D. J.

AU - Moebius, E.

AU - Moore, T.

AU - Mukherjee, J.

AU - Pogorelov, N. V.

AU - Prested, C.

AU - Reisenfeld, D.

AU - Roelof, E.

AU - Zank, G. P.

PY - 2009/11/13

Y1 - 2009/11/13

N2 - Simulations of energetic neutral atom (ENA) maps predict flux magnitudes that are, in some cases, similar to those observed by the Interstellar Boundary Explorer (IBEX) spacecraft, but they miss the ribbon. Our model of the heliosphere indicates that the local interstellar medium (LISM) magnetic field (BLISM) is transverse to the line of sight (LOS) along the ribbon, suggesting that the ribbon may carry its imprint. The force-per-unit area on the heliopause from field line draping and the LISM ram pressure is comparable with the ribbon pressure if the LOS ∼ 30 to 60 astronomical units and B LISM ∼ 2.5 microgauss. Although various models have advantages in accounting for some of the observations, no model can explain all the dominant features, which probably requires a substantial change in our understanding of the processes that shape our heliosphere.

AB - Simulations of energetic neutral atom (ENA) maps predict flux magnitudes that are, in some cases, similar to those observed by the Interstellar Boundary Explorer (IBEX) spacecraft, but they miss the ribbon. Our model of the heliosphere indicates that the local interstellar medium (LISM) magnetic field (BLISM) is transverse to the line of sight (LOS) along the ribbon, suggesting that the ribbon may carry its imprint. The force-per-unit area on the heliopause from field line draping and the LISM ram pressure is comparable with the ribbon pressure if the LOS ∼ 30 to 60 astronomical units and B LISM ∼ 2.5 microgauss. Although various models have advantages in accounting for some of the observations, no model can explain all the dominant features, which probably requires a substantial change in our understanding of the processes that shape our heliosphere.

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SP - 966

EP - 968

JO - Science

JF - Science

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ER -

Comparison of interstellar boundary explorer observations with 3D global heliospheric models

Abstract

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