Intermittency and q-Gaussian Distributions in the Magnetic Field of the Very Local Interstellar Medium (VLISM) Observed by Voyager 1 and Voyager 2
Voyager 1 (V1) observed q -Gaussian distributions of 1 hr increments of the components the magnetic field throughout the very local interstellar medium (VLISM) on scales on the order of 1 year, from 2013 through 2019, excluding the disturbed regions near two shocks. The intermittency of the componen...
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| Veröffentlicht in: | Astrophysical journal. Letters 2020-09, Vol.901 (1), p.L2 |
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| creator | Burlaga, L. F. Ness, N. F. Berdichevsky, D. B. Jian, L. K. Park, J. Szabo, A. |
| description | Voyager 1 (V1) observed
q
-Gaussian distributions of 1 hr increments of the components the magnetic field
throughout the very local interstellar medium (VLISM) on scales on the order of 1 year, from 2013 through 2019, excluding the disturbed regions near two shocks. The intermittency of the components of
B
is described by
q
from the
q
-Gaussian distributions of 1 hr increments
B
as well as by the kurtosis
K
derived from the time series of the increments of
. Farther than ∼5 au from the heliopause, Voyager 1 observed larger intermittency in the fluctuations of the predominantly transverse component
B
N
and in the nearly longitudinal component
B
T
of
. The average values of
q
for the
B
N
component and transverse
B
T
component for these data in the VLISM are
q
= 1.32 ± 0.03 and
q
= 1.22 ± 0.03, respectively. The corresponding average values of the kurtosis are
K
= 7.2 and
K
= 4.9. Voyager 2 (V2) crossed the heliopause on 2018 November 5. Near the heliopause, in 2019, V2 observed large intermittency in 1 hr increments of the compressive component
B
T
and smaller intermittency in
B
N
. The Voyager 2 observations give
q
= 1.51 ± 0.06 and
q
= 1.17 ± 0.06 for the
B
N
and
B
T
components of
B
, respectively, as well as
K
= 7.2 and
K
= 12.3, respectively. The intermittency in
B
T
and
B
N
, observed by V2 near the heliopause was significantly larger than that observed by V1 when it was near the heliopause. |
| doi_str_mv | 10.3847/2041-8213/abb199 |
| format | Article |
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q
-Gaussian distributions of 1 hr increments of the components the magnetic field
throughout the very local interstellar medium (VLISM) on scales on the order of 1 year, from 2013 through 2019, excluding the disturbed regions near two shocks. The intermittency of the components of
B
is described by
q
from the
q
-Gaussian distributions of 1 hr increments
B
as well as by the kurtosis
K
derived from the time series of the increments of
. Farther than ∼5 au from the heliopause, Voyager 1 observed larger intermittency in the fluctuations of the predominantly transverse component
B
N
and in the nearly longitudinal component
B
T
of
. The average values of
q
for the
B
N
component and transverse
B
T
component for these data in the VLISM are
q
= 1.32 ± 0.03 and
q
= 1.22 ± 0.03, respectively. The corresponding average values of the kurtosis are
K
= 7.2 and
K
= 4.9. Voyager 2 (V2) crossed the heliopause on 2018 November 5. Near the heliopause, in 2019, V2 observed large intermittency in 1 hr increments of the compressive component
B
T
and smaller intermittency in
B
N
. The Voyager 2 observations give
q
= 1.51 ± 0.06 and
q
= 1.17 ± 0.06 for the
B
N
and
B
T
components of
B
, respectively, as well as
K
= 7.2 and
K
= 12.3, respectively. The intermittency in
B
T
and
B
N
, observed by V2 near the heliopause was significantly larger than that observed by V1 when it was near the heliopause.</description><identifier>ISSN: 2041-8205</identifier><identifier>EISSN: 2041-8213</identifier><identifier>DOI: 10.3847/2041-8213/abb199</identifier><language>eng</language><publisher>Austin: The American Astronomical Society</publisher><subject>Heliopause ; Intermittency ; Interstellar magnetic fields ; Interstellar medium ; Kurtosis ; Local interstellar medium ; Magnetic fields</subject><ispartof>Astrophysical journal. Letters, 2020-09, Vol.901 (1), p.L2</ispartof><rights>2020. The American Astronomical Society. All rights reserved.</rights><rights>Copyright IOP Publishing Sep 01, 2020</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c380t-d9d46b8338bfa489bbbed6d25df688a0084020bab059d04bfffcf0fb0ce8b67f3</citedby><cites>FETCH-LOGICAL-c380t-d9d46b8338bfa489bbbed6d25df688a0084020bab059d04bfffcf0fb0ce8b67f3</cites><orcidid>0000-0003-3255-9071 ; 0000-0002-6849-5527 ; 0000-0002-5569-1553 ; 0000-0001-9357-7973 ; 0000-0002-8989-4631</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.3847/2041-8213/abb199/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>314,780,784,27924,27925,38868,38890,53840,53867</link.rule.ids><linktorsrc>$$Uhttps://iopscience.iop.org/article/10.3847/2041-8213/abb199$$EView_record_in_IOP_Publishing$$FView_record_in_$$GIOP_Publishing</linktorsrc></links><search><creatorcontrib>Burlaga, L. F.</creatorcontrib><creatorcontrib>Ness, N. F.</creatorcontrib><creatorcontrib>Berdichevsky, D. B.</creatorcontrib><creatorcontrib>Jian, L. K.</creatorcontrib><creatorcontrib>Park, J.</creatorcontrib><creatorcontrib>Szabo, A.</creatorcontrib><title>Intermittency and q-Gaussian Distributions in the Magnetic Field of the Very Local Interstellar Medium (VLISM) Observed by Voyager 1 and Voyager 2</title><title>Astrophysical journal. Letters</title><addtitle>APJL</addtitle><addtitle>Astrophys. J. Lett</addtitle><description>Voyager 1 (V1) observed
q
-Gaussian distributions of 1 hr increments of the components the magnetic field
throughout the very local interstellar medium (VLISM) on scales on the order of 1 year, from 2013 through 2019, excluding the disturbed regions near two shocks. The intermittency of the components of
B
is described by
q
from the
q
-Gaussian distributions of 1 hr increments
B
as well as by the kurtosis
K
derived from the time series of the increments of
. Farther than ∼5 au from the heliopause, Voyager 1 observed larger intermittency in the fluctuations of the predominantly transverse component
B
N
and in the nearly longitudinal component
B
T
of
. The average values of
q
for the
B
N
component and transverse
B
T
component for these data in the VLISM are
q
= 1.32 ± 0.03 and
q
= 1.22 ± 0.03, respectively. The corresponding average values of the kurtosis are
K
= 7.2 and
K
= 4.9. Voyager 2 (V2) crossed the heliopause on 2018 November 5. Near the heliopause, in 2019, V2 observed large intermittency in 1 hr increments of the compressive component
B
T
and smaller intermittency in
B
N
. The Voyager 2 observations give
q
= 1.51 ± 0.06 and
q
= 1.17 ± 0.06 for the
B
N
and
B
T
components of
B
, respectively, as well as
K
= 7.2 and
K
= 12.3, respectively. The intermittency in
B
T
and
B
N
, observed by V2 near the heliopause was significantly larger than that observed by V1 when it was near the heliopause.</description><subject>Heliopause</subject><subject>Intermittency</subject><subject>Interstellar magnetic fields</subject><subject>Interstellar medium</subject><subject>Kurtosis</subject><subject>Local interstellar medium</subject><subject>Magnetic fields</subject><issn>2041-8205</issn><issn>2041-8213</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9UM9LwzAUDqLgnN49BkRQsC5p0y49ynRz0LGDumtImmRmdG2XpEL_Df9iu03nRTy99z6-H7wPgEuM7iNKhoMQERzQEEcDLgRO0yPQO0DHhx3Fp-DMuRVCIUow7YHPaemVXRvvVZm3kJcSboIJb5wzvISPxnlrRONNVTpoSujfFZzxZam8yeHYqELCSu_QhbItzKqcF3Bn6bwqCm7hTEnTrOHNIpu-zG7hXDhlP5SEooWLquVLZSHexf5c4Tk40bxw6uJ79sHb-Ol19Bxk88l09JAFeUSRD2QqSSJoFFGhOaGpEELJRIax1AmlHCFKuicFFyhOJSJCa51rpAXKFRXJUEd9cLX3rW21aZTzbFU1tuwiWUgISWKMY9yx0J6V28o5qzSrrVlz2zKM2LZ5tq2WbWtm--Y7yd1eYqr61_Mf-vUfdF6vCpYizDDLQlZLHX0BXHuS0w</recordid><startdate>20200901</startdate><enddate>20200901</enddate><creator>Burlaga, L. F.</creator><creator>Ness, N. F.</creator><creator>Berdichevsky, D. B.</creator><creator>Jian, L. K.</creator><creator>Park, J.</creator><creator>Szabo, A.</creator><general>The American Astronomical Society</general><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>8FD</scope><scope>H8D</scope><scope>KL.</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0003-3255-9071</orcidid><orcidid>https://orcid.org/0000-0002-6849-5527</orcidid><orcidid>https://orcid.org/0000-0002-5569-1553</orcidid><orcidid>https://orcid.org/0000-0001-9357-7973</orcidid><orcidid>https://orcid.org/0000-0002-8989-4631</orcidid></search><sort><creationdate>20200901</creationdate><title>Intermittency and q-Gaussian Distributions in the Magnetic Field of the Very Local Interstellar Medium (VLISM) Observed by Voyager 1 and Voyager 2</title><author>Burlaga, L. F. ; Ness, N. F. ; Berdichevsky, D. B. ; Jian, L. K. ; Park, J. ; Szabo, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c380t-d9d46b8338bfa489bbbed6d25df688a0084020bab059d04bfffcf0fb0ce8b67f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Heliopause</topic><topic>Intermittency</topic><topic>Interstellar magnetic fields</topic><topic>Interstellar medium</topic><topic>Kurtosis</topic><topic>Local interstellar medium</topic><topic>Magnetic fields</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Burlaga, L. F.</creatorcontrib><creatorcontrib>Ness, N. F.</creatorcontrib><creatorcontrib>Berdichevsky, D. B.</creatorcontrib><creatorcontrib>Jian, L. K.</creatorcontrib><creatorcontrib>Park, J.</creatorcontrib><creatorcontrib>Szabo, A.</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Astrophysical journal. Letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Burlaga, L. F.</au><au>Ness, N. F.</au><au>Berdichevsky, D. B.</au><au>Jian, L. K.</au><au>Park, J.</au><au>Szabo, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Intermittency and q-Gaussian Distributions in the Magnetic Field of the Very Local Interstellar Medium (VLISM) Observed by Voyager 1 and Voyager 2</atitle><jtitle>Astrophysical journal. Letters</jtitle><stitle>APJL</stitle><addtitle>Astrophys. J. Lett</addtitle><date>2020-09-01</date><risdate>2020</risdate><volume>901</volume><issue>1</issue><spage>L2</spage><pages>L2-</pages><issn>2041-8205</issn><eissn>2041-8213</eissn><abstract>Voyager 1 (V1) observed
q
-Gaussian distributions of 1 hr increments of the components the magnetic field
throughout the very local interstellar medium (VLISM) on scales on the order of 1 year, from 2013 through 2019, excluding the disturbed regions near two shocks. The intermittency of the components of
B
is described by
q
from the
q
-Gaussian distributions of 1 hr increments
B
as well as by the kurtosis
K
derived from the time series of the increments of
. Farther than ∼5 au from the heliopause, Voyager 1 observed larger intermittency in the fluctuations of the predominantly transverse component
B
N
and in the nearly longitudinal component
B
T
of
. The average values of
q
for the
B
N
component and transverse
B
T
component for these data in the VLISM are
q
= 1.32 ± 0.03 and
q
= 1.22 ± 0.03, respectively. The corresponding average values of the kurtosis are
K
= 7.2 and
K
= 4.9. Voyager 2 (V2) crossed the heliopause on 2018 November 5. Near the heliopause, in 2019, V2 observed large intermittency in 1 hr increments of the compressive component
B
T
and smaller intermittency in
B
N
. The Voyager 2 observations give
q
= 1.51 ± 0.06 and
q
= 1.17 ± 0.06 for the
B
N
and
B
T
components of
B
, respectively, as well as
K
= 7.2 and
K
= 12.3, respectively. The intermittency in
B
T
and
B
N
, observed by V2 near the heliopause was significantly larger than that observed by V1 when it was near the heliopause.</abstract><cop>Austin</cop><pub>The American Astronomical Society</pub><doi>10.3847/2041-8213/abb199</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0003-3255-9071</orcidid><orcidid>https://orcid.org/0000-0002-6849-5527</orcidid><orcidid>https://orcid.org/0000-0002-5569-1553</orcidid><orcidid>https://orcid.org/0000-0001-9357-7973</orcidid><orcidid>https://orcid.org/0000-0002-8989-4631</orcidid><oa>free_for_read</oa></addata></record> |
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| source | Institute of Physics Open Access Journal Titles |
| subjects | Heliopause Intermittency Interstellar magnetic fields Interstellar medium Kurtosis Local interstellar medium Magnetic fields |
| title | Intermittency and q-Gaussian Distributions in the Magnetic Field of the Very Local Interstellar Medium (VLISM) Observed by Voyager 1 and Voyager 2 |
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