Interstellar medium. Pseudo-three-dimensional maps of the diffuse interstellar band at 862 nm.
Identifieur interne : 003779 ( Main/Exploration ); précédent : 003778; suivant : 003780Interstellar medium. Pseudo-three-dimensional maps of the diffuse interstellar band at 862 nm.
Auteurs : Janez Kos [Slovénie] ; Tomaž Zwitter [Slovénie] ; Rosemary Wyse [États-Unis] ; Olivier Bienaymé [France] ; James Binney [Royaume-Uni] ; Joss Bland-Hawthorn [Australie] ; Kenneth Freeman [Australie] ; Brad K. Gibson [Royaume-Uni] ; Gerry Gilmore [Royaume-Uni] ; Eva K. Grebel [Allemagne] ; Amina Helmi [Pays-Bas] ; Georges Kordopatis [Royaume-Uni] ; Ulisse Munari [Italie] ; Julio Navarro [Canada] ; Quentin Parker [Australie] ; Warren A. Reid [Australie] ; George Seabroke [Royaume-Uni] ; Sanjib Sharma [Australie] ; Arnaud Siebert [France] ; Alessandro Siviero [Allemagne] ; Matthias Steinmetz [Allemagne] ; Fred G. Watson [Australie] ; Mary E K. Williams [Allemagne]Source :
- Science (New York, N.Y.) [ 1095-9203 ] ; 2014.
Abstract
The diffuse interstellar bands (DIBs) are absorption lines observed in visual and near-infrared spectra of stars. Understanding their origin in the interstellar medium is one of the oldest problems in astronomical spectroscopy, as DIBs have been known since 1922. In a completely new approach to understanding DIBs, we combined information from nearly 500,000 stellar spectra obtained by the massive spectroscopic survey RAVE (Radial Velocity Experiment) to produce the first pseudo-three-dimensional map of the strength of the DIB at 8620 angstroms covering the nearest 3 kiloparsecs from the Sun, and show that it follows our independently constructed spatial distribution of extinction by interstellar dust along the Galactic plane. Despite having a similar distribution in the Galactic plane, the DIB 8620 carrier has a significantly larger vertical scale height than the dust. Even if one DIB may not represent the general DIB population, our observations outline the future direction of DIB research.
DOI: 10.1126/science.1253171
PubMed: 25124434
Affiliations:
- Allemagne, Australie, Canada, France, Italie, Pays-Bas, Royaume-Uni, Slovénie, États-Unis
- Alsace (région administrative), Angleterre, Bade-Wurtemberg, District de Karlsruhe, Grand Est, Grand Londres, Maryland, Nouvelle-Galles du Sud
- Heidelberg, Londres, Strasbourg, Sydney
- University College de Londres, Université de Strasbourg, Université de Sydney
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Grebel</name><affiliation wicri:level="3"><nlm:affiliation>Astronomisches Rechen-Institut, Zentrum für Astronomie der Universität Heidelberg, Mönchhofstraßße 12-14, D-69120 Heidelberg, Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Astronomisches Rechen-Institut, Zentrum für Astronomie der Universität Heidelberg, Mönchhofstraßße 12-14, D-69120 Heidelberg</wicri:regionArea><placeName><region type="land" nuts="1">Bade-Wurtemberg</region><region type="district" nuts="2">District de Karlsruhe</region><settlement type="city">Heidelberg</settlement></placeName></affiliation></author><author><name sortKey="Helmi, Amina" sort="Helmi, Amina" uniqKey="Helmi A" first="Amina" last="Helmi">Amina Helmi</name><affiliation wicri:level="1"><nlm:affiliation>Kapteyn Astronomical Institute, Post Office Box 800, NL-9700 AV Groningen, Netherlands.</nlm:affiliation><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Kapteyn Astronomical Institute, Post Office Box 800, NL-9700 AV Groningen</wicri:regionArea><wicri:noRegion>NL-9700 AV Groningen</wicri:noRegion></affiliation></author><author><name sortKey="Kordopatis, Georges" sort="Kordopatis, Georges" uniqKey="Kordopatis G" first="Georges" last="Kordopatis">Georges Kordopatis</name><affiliation wicri:level="1"><nlm:affiliation>Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK.</nlm:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Institute of Astronomy, Madingley Road, Cambridge CB3 0HA</wicri:regionArea><wicri:noRegion>Cambridge CB3 0HA</wicri:noRegion></affiliation></author><author><name sortKey="Munari, Ulisse" sort="Munari, Ulisse" uniqKey="Munari U" first="Ulisse" last="Munari">Ulisse Munari</name><affiliation wicri:level="1"><nlm:affiliation>Instituto Nazionale di Astrofisica Astronomical Observatory of Padova, 36012 Asiago (VI), Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Instituto Nazionale di Astrofisica Astronomical Observatory of Padova, 36012 Asiago (VI)</wicri:regionArea><wicri:noRegion>36012 Asiago (VI)</wicri:noRegion></affiliation></author><author><name sortKey="Navarro, Julio" sort="Navarro, Julio" uniqKey="Navarro J" first="Julio" last="Navarro">Julio Navarro</name><affiliation wicri:level="1"><nlm:affiliation>University of Victoria, Victoria BC, Canada V8P 5C2.</nlm:affiliation><country>Canada</country><wicri:regionArea>University of Victoria, Victoria BC</wicri:regionArea><wicri:noRegion>Victoria BC</wicri:noRegion></affiliation></author><author><name sortKey="Parker, Quentin" sort="Parker, Quentin" uniqKey="Parker Q" first="Quentin" last="Parker">Quentin Parker</name><affiliation wicri:level="1"><nlm:affiliation>Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia. Centre for Astronomy, Astrophysics and Astrophotonics, Macquarie University, Sydney, NSW 2109, Australia. Australian Astronomical Observatory, Post Office Box 915, North Ryde, NSW 1670, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia. Centre for Astronomy, Astrophysics and Astrophotonics, Macquarie University, Sydney, NSW 2109, Australia. Australian Astronomical Observatory, Post Office Box 915, North Ryde, NSW 1670</wicri:regionArea><wicri:noRegion>NSW 1670</wicri:noRegion></affiliation></author><author><name sortKey="Reid, Warren A" sort="Reid, Warren A" uniqKey="Reid W" first="Warren A" last="Reid">Warren A. Reid</name><affiliation wicri:level="1"><nlm:affiliation>Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia. Centre for Astronomy, Astrophysics and Astrophotonics, Macquarie University, Sydney, NSW 2109, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia. Centre for Astronomy, Astrophysics and Astrophotonics, Macquarie University, Sydney, NSW 2109</wicri:regionArea><wicri:noRegion>NSW 2109</wicri:noRegion></affiliation></author><author><name sortKey="Seabroke, George" sort="Seabroke, George" uniqKey="Seabroke G" first="George" last="Seabroke">George Seabroke</name><affiliation wicri:level="4"><nlm:affiliation>Mullard Space Science Laboratory, University College London, Holmbury St Mary, Dorking RH5 6NT, UK.</nlm:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Mullard Space Science Laboratory, University College London, Holmbury St Mary, Dorking RH5 6NT</wicri:regionArea><orgName type="university">University College de Londres</orgName><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation></author><author><name sortKey="Sharma, Sanjib" sort="Sharma, Sanjib" uniqKey="Sharma S" first="Sanjib" last="Sharma">Sanjib Sharma</name><affiliation wicri:level="4"><nlm:affiliation>Sydney Institute for Astronomy, School of Physics A28, University of Sydney, NSW 2008, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Sydney Institute for Astronomy, School of Physics A28, University of Sydney, NSW 2008</wicri:regionArea><orgName type="university">Université de Sydney</orgName><placeName><settlement type="city">Sydney</settlement><region type="état">Nouvelle-Galles du Sud</region></placeName></affiliation></author><author><name sortKey="Siebert, Arnaud" sort="Siebert, Arnaud" uniqKey="Siebert A" first="Arnaud" last="Siebert">Arnaud Siebert</name><affiliation wicri:level="4"><nlm:affiliation>Observatoire astronomique de Strasbourg, Université de Strasbourg, CNRS, 11 rue de l'Université, F-67000 Strasbourg, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Observatoire astronomique de Strasbourg, Université de Strasbourg, CNRS, 11 rue de l'Université, F-67000 Strasbourg</wicri:regionArea><wicri:noRegion>67000 Strasbourg</wicri:noRegion><orgName type="university">Université de Strasbourg</orgName><placeName><settlement type="city">Strasbourg</settlement><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Alsace (région administrative)</region></placeName></affiliation></author><author><name sortKey="Siviero, Alessandro" sort="Siviero, Alessandro" uniqKey="Siviero A" first="Alessandro" last="Siviero">Alessandro Siviero</name><affiliation wicri:level="1"><nlm:affiliation>Department of Physics and Astronomy, Padova University, Vicolo dell'Osservatorio 2, I-35122 Padova, Italy. Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Department of Physics and Astronomy, Padova University, Vicolo dell'Osservatorio 2, I-35122 Padova, Italy. Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam</wicri:regionArea><wicri:noRegion>14482 Potsdam</wicri:noRegion><wicri:noRegion>14482 Potsdam</wicri:noRegion><wicri:noRegion>14482 Potsdam</wicri:noRegion></affiliation></author><author><name sortKey="Steinmetz, Matthias" sort="Steinmetz, Matthias" uniqKey="Steinmetz M" first="Matthias" last="Steinmetz">Matthias Steinmetz</name><affiliation wicri:level="1"><nlm:affiliation>Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam</wicri:regionArea><wicri:noRegion>14482 Potsdam</wicri:noRegion><wicri:noRegion>14482 Potsdam</wicri:noRegion><wicri:noRegion>14482 Potsdam</wicri:noRegion></affiliation></author><author><name sortKey="Watson, Fred G" sort="Watson, Fred G" uniqKey="Watson F" first="Fred G" last="Watson">Fred G. Watson</name><affiliation wicri:level="1"><nlm:affiliation>Australian Astronomical Observatory, Post Office Box 915, North Ryde, NSW 1670, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Australian Astronomical Observatory, Post Office Box 915, North Ryde, NSW 1670</wicri:regionArea><wicri:noRegion>NSW 1670</wicri:noRegion></affiliation></author><author><name sortKey="Williams, Mary E K" sort="Williams, Mary E K" uniqKey="Williams M" first="Mary E K" last="Williams">Mary E K. Williams</name><affiliation wicri:level="1"><nlm:affiliation>Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam</wicri:regionArea><wicri:noRegion>14482 Potsdam</wicri:noRegion><wicri:noRegion>14482 Potsdam</wicri:noRegion><wicri:noRegion>14482 Potsdam</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2014">2014</date><idno type="RBID">pubmed:25124434</idno><idno type="pmid">25124434</idno><idno type="doi">10.1126/science.1253171</idno><idno type="wicri:Area/PubMed/Corpus">003565</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">003565</idno><idno type="wicri:Area/PubMed/Curation">003452</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">003452</idno><idno type="wicri:Area/PubMed/Checkpoint">003452</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">003452</idno><idno type="wicri:Area/Ncbi/Merge">001D14</idno><idno type="wicri:Area/Ncbi/Curation">001D14</idno><idno type="wicri:Area/Ncbi/Checkpoint">001D14</idno><idno type="wicri:Area/Main/Merge">003809</idno><idno type="wicri:Area/Main/Curation">003779</idno><idno type="wicri:Area/Main/Exploration">003779</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Interstellar medium. Pseudo-three-dimensional maps of the diffuse interstellar band at 862 nm.</title><author><name sortKey="Kos, Janez" sort="Kos, Janez" uniqKey="Kos J" first="Janez" last="Kos">Janez Kos</name><affiliation wicri:level="1"><nlm:affiliation>Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, 1000 Ljubljana, Slovenia. janez.kos@fmf.uni-lj.si.</nlm:affiliation><country xml:lang="fr">Slovénie</country><wicri:regionArea>Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, 1000 Ljubljana</wicri:regionArea><wicri:noRegion>1000 Ljubljana</wicri:noRegion></affiliation></author><author><name sortKey="Zwitter, Tomaz" sort="Zwitter, Tomaz" uniqKey="Zwitter T" first="Tomaž" last="Zwitter">Tomaž Zwitter</name><affiliation wicri:level="1"><nlm:affiliation>Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, 1000 Ljubljana, Slovenia.</nlm:affiliation><country xml:lang="fr">Slovénie</country><wicri:regionArea>Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, 1000 Ljubljana</wicri:regionArea><wicri:noRegion>1000 Ljubljana</wicri:noRegion></affiliation></author><author><name sortKey="Wyse, Rosemary" sort="Wyse, Rosemary" uniqKey="Wyse R" first="Rosemary" last="Wyse">Rosemary Wyse</name><affiliation wicri:level="2"><nlm:affiliation>Johns Hopkins University, Homewood Campus, 3400 North Charles Street, Baltimore, MD 21218, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Johns Hopkins University, Homewood Campus, 3400 North Charles Street, Baltimore, MD 21218</wicri:regionArea><placeName><region type="state">Maryland</region></placeName></affiliation></author><author><name sortKey="Bienayme, Olivier" sort="Bienayme, Olivier" uniqKey="Bienayme O" first="Olivier" last="Bienaymé">Olivier Bienaymé</name><affiliation wicri:level="4"><nlm:affiliation>Observatoire astronomique de Strasbourg, Université de Strasbourg, CNRS, 11 rue de l'Université, F-67000 Strasbourg, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Observatoire astronomique de Strasbourg, Université de Strasbourg, CNRS, 11 rue de l'Université, F-67000 Strasbourg</wicri:regionArea><placeName><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Alsace (région administrative)</region><settlement type="city">Strasbourg</settlement><settlement type="city">Strasbourg</settlement></placeName><orgName type="university">Université de Strasbourg</orgName></affiliation></author><author><name sortKey="Binney, James" sort="Binney, James" uniqKey="Binney J" first="James" last="Binney">James Binney</name><affiliation wicri:level="1"><nlm:affiliation>Rudolf Peierls Centre for Theoretical Physics, Keble Road, Oxford OX1 3NP, UK.</nlm:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Rudolf Peierls Centre for Theoretical Physics, Keble Road, Oxford OX1 3NP</wicri:regionArea><wicri:noRegion>Oxford OX1 3NP</wicri:noRegion></affiliation></author><author><name sortKey="Bland Hawthorn, Joss" sort="Bland Hawthorn, Joss" uniqKey="Bland Hawthorn J" first="Joss" last="Bland-Hawthorn">Joss Bland-Hawthorn</name><affiliation wicri:level="4"><nlm:affiliation>Sydney Institute for Astronomy, School of Physics A28, University of Sydney, NSW 2008, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Sydney Institute for Astronomy, School of Physics A28, University of Sydney, NSW 2008</wicri:regionArea><orgName type="university">Université de Sydney</orgName><placeName><settlement type="city">Sydney</settlement><region type="état">Nouvelle-Galles du Sud</region></placeName></affiliation></author><author><name sortKey="Freeman, Kenneth" sort="Freeman, Kenneth" uniqKey="Freeman K" first="Kenneth" last="Freeman">Kenneth Freeman</name><affiliation wicri:level="1"><nlm:affiliation>Research School of Astronomy and Astrophysics, Australian National University, Canberra, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Research School of Astronomy and Astrophysics, Australian National University, Canberra</wicri:regionArea><wicri:noRegion>Canberra</wicri:noRegion></affiliation></author><author><name sortKey="Gibson, Brad K" sort="Gibson, Brad K" uniqKey="Gibson B" first="Brad K" last="Gibson">Brad K. Gibson</name><affiliation wicri:level="1"><nlm:affiliation>Chair, Computational Astrophysics, Jeremiah Horrocks Institute, University of Central Lancashire, Preston PR1 2HE, UK.</nlm:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Chair, Computational Astrophysics, Jeremiah Horrocks Institute, University of Central Lancashire, Preston PR1 2HE</wicri:regionArea><wicri:noRegion>Preston PR1 2HE</wicri:noRegion></affiliation></author><author><name sortKey="Gilmore, Gerry" sort="Gilmore, Gerry" uniqKey="Gilmore G" first="Gerry" last="Gilmore">Gerry Gilmore</name><affiliation wicri:level="1"><nlm:affiliation>Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK.</nlm:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Institute of Astronomy, Madingley Road, Cambridge CB3 0HA</wicri:regionArea><wicri:noRegion>Cambridge CB3 0HA</wicri:noRegion></affiliation></author><author><name sortKey="Grebel, Eva K" sort="Grebel, Eva K" uniqKey="Grebel E" first="Eva K" last="Grebel">Eva K. Grebel</name><affiliation wicri:level="3"><nlm:affiliation>Astronomisches Rechen-Institut, Zentrum für Astronomie der Universität Heidelberg, Mönchhofstraßße 12-14, D-69120 Heidelberg, Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Astronomisches Rechen-Institut, Zentrum für Astronomie der Universität Heidelberg, Mönchhofstraßße 12-14, D-69120 Heidelberg</wicri:regionArea><placeName><region type="land" nuts="1">Bade-Wurtemberg</region><region type="district" nuts="2">District de Karlsruhe</region><settlement type="city">Heidelberg</settlement></placeName></affiliation></author><author><name sortKey="Helmi, Amina" sort="Helmi, Amina" uniqKey="Helmi A" first="Amina" last="Helmi">Amina Helmi</name><affiliation wicri:level="1"><nlm:affiliation>Kapteyn Astronomical Institute, Post Office Box 800, NL-9700 AV Groningen, Netherlands.</nlm:affiliation><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Kapteyn Astronomical Institute, Post Office Box 800, NL-9700 AV Groningen</wicri:regionArea><wicri:noRegion>NL-9700 AV Groningen</wicri:noRegion></affiliation></author><author><name sortKey="Kordopatis, Georges" sort="Kordopatis, Georges" uniqKey="Kordopatis G" first="Georges" last="Kordopatis">Georges Kordopatis</name><affiliation wicri:level="1"><nlm:affiliation>Institute of Astronomy, Madingley Road, Cambridge CB3 0HA, UK.</nlm:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Institute of Astronomy, Madingley Road, Cambridge CB3 0HA</wicri:regionArea><wicri:noRegion>Cambridge CB3 0HA</wicri:noRegion></affiliation></author><author><name sortKey="Munari, Ulisse" sort="Munari, Ulisse" uniqKey="Munari U" first="Ulisse" last="Munari">Ulisse Munari</name><affiliation wicri:level="1"><nlm:affiliation>Instituto Nazionale di Astrofisica Astronomical Observatory of Padova, 36012 Asiago (VI), Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Instituto Nazionale di Astrofisica Astronomical Observatory of Padova, 36012 Asiago (VI)</wicri:regionArea><wicri:noRegion>36012 Asiago (VI)</wicri:noRegion></affiliation></author><author><name sortKey="Navarro, Julio" sort="Navarro, Julio" uniqKey="Navarro J" first="Julio" last="Navarro">Julio Navarro</name><affiliation wicri:level="1"><nlm:affiliation>University of Victoria, Victoria BC, Canada V8P 5C2.</nlm:affiliation><country>Canada</country><wicri:regionArea>University of Victoria, Victoria BC</wicri:regionArea><wicri:noRegion>Victoria BC</wicri:noRegion></affiliation></author><author><name sortKey="Parker, Quentin" sort="Parker, Quentin" uniqKey="Parker Q" first="Quentin" last="Parker">Quentin Parker</name><affiliation wicri:level="1"><nlm:affiliation>Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia. Centre for Astronomy, Astrophysics and Astrophotonics, Macquarie University, Sydney, NSW 2109, Australia. Australian Astronomical Observatory, Post Office Box 915, North Ryde, NSW 1670, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia. Centre for Astronomy, Astrophysics and Astrophotonics, Macquarie University, Sydney, NSW 2109, Australia. Australian Astronomical Observatory, Post Office Box 915, North Ryde, NSW 1670</wicri:regionArea><wicri:noRegion>NSW 1670</wicri:noRegion></affiliation></author><author><name sortKey="Reid, Warren A" sort="Reid, Warren A" uniqKey="Reid W" first="Warren A" last="Reid">Warren A. Reid</name><affiliation wicri:level="1"><nlm:affiliation>Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia. Centre for Astronomy, Astrophysics and Astrophotonics, Macquarie University, Sydney, NSW 2109, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Department of Physics and Astronomy, Macquarie University, Sydney, NSW 2109, Australia. Centre for Astronomy, Astrophysics and Astrophotonics, Macquarie University, Sydney, NSW 2109</wicri:regionArea><wicri:noRegion>NSW 2109</wicri:noRegion></affiliation></author><author><name sortKey="Seabroke, George" sort="Seabroke, George" uniqKey="Seabroke G" first="George" last="Seabroke">George Seabroke</name><affiliation wicri:level="4"><nlm:affiliation>Mullard Space Science Laboratory, University College London, Holmbury St Mary, Dorking RH5 6NT, UK.</nlm:affiliation><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Mullard Space Science Laboratory, University College London, Holmbury St Mary, Dorking RH5 6NT</wicri:regionArea><orgName type="university">University College de Londres</orgName><placeName><settlement type="city">Londres</settlement><region type="country">Angleterre</region><region type="région" nuts="1">Grand Londres</region></placeName></affiliation></author><author><name sortKey="Sharma, Sanjib" sort="Sharma, Sanjib" uniqKey="Sharma S" first="Sanjib" last="Sharma">Sanjib Sharma</name><affiliation wicri:level="4"><nlm:affiliation>Sydney Institute for Astronomy, School of Physics A28, University of Sydney, NSW 2008, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Sydney Institute for Astronomy, School of Physics A28, University of Sydney, NSW 2008</wicri:regionArea><orgName type="university">Université de Sydney</orgName><placeName><settlement type="city">Sydney</settlement><region type="état">Nouvelle-Galles du Sud</region></placeName></affiliation></author><author><name sortKey="Siebert, Arnaud" sort="Siebert, Arnaud" uniqKey="Siebert A" first="Arnaud" last="Siebert">Arnaud Siebert</name><affiliation wicri:level="4"><nlm:affiliation>Observatoire astronomique de Strasbourg, Université de Strasbourg, CNRS, 11 rue de l'Université, F-67000 Strasbourg, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Observatoire astronomique de Strasbourg, Université de Strasbourg, CNRS, 11 rue de l'Université, F-67000 Strasbourg</wicri:regionArea><wicri:noRegion>67000 Strasbourg</wicri:noRegion><orgName type="university">Université de Strasbourg</orgName><placeName><settlement type="city">Strasbourg</settlement><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Alsace (région administrative)</region></placeName></affiliation></author><author><name sortKey="Siviero, Alessandro" sort="Siviero, Alessandro" uniqKey="Siviero A" first="Alessandro" last="Siviero">Alessandro Siviero</name><affiliation wicri:level="1"><nlm:affiliation>Department of Physics and Astronomy, Padova University, Vicolo dell'Osservatorio 2, I-35122 Padova, Italy. Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Department of Physics and Astronomy, Padova University, Vicolo dell'Osservatorio 2, I-35122 Padova, Italy. Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam</wicri:regionArea><wicri:noRegion>14482 Potsdam</wicri:noRegion><wicri:noRegion>14482 Potsdam</wicri:noRegion><wicri:noRegion>14482 Potsdam</wicri:noRegion></affiliation></author><author><name sortKey="Steinmetz, Matthias" sort="Steinmetz, Matthias" uniqKey="Steinmetz M" first="Matthias" last="Steinmetz">Matthias Steinmetz</name><affiliation wicri:level="1"><nlm:affiliation>Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam</wicri:regionArea><wicri:noRegion>14482 Potsdam</wicri:noRegion><wicri:noRegion>14482 Potsdam</wicri:noRegion><wicri:noRegion>14482 Potsdam</wicri:noRegion></affiliation></author><author><name sortKey="Watson, Fred G" sort="Watson, Fred G" uniqKey="Watson F" first="Fred G" last="Watson">Fred G. Watson</name><affiliation wicri:level="1"><nlm:affiliation>Australian Astronomical Observatory, Post Office Box 915, North Ryde, NSW 1670, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>Australian Astronomical Observatory, Post Office Box 915, North Ryde, NSW 1670</wicri:regionArea><wicri:noRegion>NSW 1670</wicri:noRegion></affiliation></author><author><name sortKey="Williams, Mary E K" sort="Williams, Mary E K" uniqKey="Williams M" first="Mary E K" last="Williams">Mary E K. Williams</name><affiliation wicri:level="1"><nlm:affiliation>Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Leibniz-Institut für Astrophysik Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam</wicri:regionArea><wicri:noRegion>14482 Potsdam</wicri:noRegion><wicri:noRegion>14482 Potsdam</wicri:noRegion><wicri:noRegion>14482 Potsdam</wicri:noRegion></affiliation></author></analytic><series><title level="j">Science (New York, N.Y.)</title><idno type="eISSN">1095-9203</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The diffuse interstellar bands (DIBs) are absorption lines observed in visual and near-infrared spectra of stars. Understanding their origin in the interstellar medium is one of the oldest problems in astronomical spectroscopy, as DIBs have been known since 1922. In a completely new approach to understanding DIBs, we combined information from nearly 500,000 stellar spectra obtained by the massive spectroscopic survey RAVE (Radial Velocity Experiment) to produce the first pseudo-three-dimensional map of the strength of the DIB at 8620 angstroms covering the nearest 3 kiloparsecs from the Sun, and show that it follows our independently constructed spatial distribution of extinction by interstellar dust along the Galactic plane. Despite having a similar distribution in the Galactic plane, the DIB 8620 carrier has a significantly larger vertical scale height than the dust. Even if one DIB may not represent the general DIB population, our observations outline the future direction of DIB research.</div></front></TEI><affiliations><list><country><li>Allemagne</li><li>Australie</li><li>Canada</li><li>France</li><li>Italie</li><li>Pays-Bas</li><li>Royaume-Uni</li><li>Slovénie</li><li>États-Unis</li></country><region><li>Alsace (région administrative)</li><li>Angleterre</li><li>Bade-Wurtemberg</li><li>District de Karlsruhe</li><li>Grand Est</li><li>Grand Londres</li><li>Maryland</li><li>Nouvelle-Galles du Sud</li></region><settlement><li>Heidelberg</li><li>Londres</li><li>Strasbourg</li><li>Sydney</li></settlement><orgName><li>University College de Londres</li><li>Université de Strasbourg</li><li>Université de Sydney</li></orgName></list><tree><country name="Slovénie"><noRegion><name sortKey="Kos, Janez" sort="Kos, Janez" uniqKey="Kos J" first="Janez" last="Kos">Janez Kos</name></noRegion><name sortKey="Zwitter, Tomaz" sort="Zwitter, Tomaz" uniqKey="Zwitter T" first="Tomaž" last="Zwitter">Tomaž Zwitter</name></country><country name="États-Unis"><region name="Maryland"><name sortKey="Wyse, Rosemary" sort="Wyse, Rosemary" uniqKey="Wyse R" first="Rosemary" last="Wyse">Rosemary Wyse</name></region></country><country name="France"><region name="Grand Est"><name sortKey="Bienayme, Olivier" sort="Bienayme, Olivier" uniqKey="Bienayme O" first="Olivier" last="Bienaymé">Olivier Bienaymé</name></region><name sortKey="Siebert, Arnaud" sort="Siebert, Arnaud" uniqKey="Siebert A" first="Arnaud" last="Siebert">Arnaud Siebert</name></country><country name="Royaume-Uni"><noRegion><name sortKey="Binney, James" sort="Binney, James" uniqKey="Binney J" first="James" last="Binney">James Binney</name></noRegion><name sortKey="Gibson, Brad K" sort="Gibson, Brad K" uniqKey="Gibson B" first="Brad K" last="Gibson">Brad K. Gibson</name><name sortKey="Gilmore, Gerry" sort="Gilmore, Gerry" uniqKey="Gilmore G" first="Gerry" last="Gilmore">Gerry Gilmore</name><name sortKey="Kordopatis, Georges" sort="Kordopatis, Georges" uniqKey="Kordopatis G" first="Georges" last="Kordopatis">Georges Kordopatis</name><name sortKey="Seabroke, George" sort="Seabroke, George" uniqKey="Seabroke G" first="George" last="Seabroke">George Seabroke</name></country><country name="Australie"><region name="Nouvelle-Galles du Sud"><name sortKey="Bland Hawthorn, Joss" sort="Bland Hawthorn, Joss" uniqKey="Bland Hawthorn J" first="Joss" last="Bland-Hawthorn">Joss Bland-Hawthorn</name></region><name sortKey="Freeman, Kenneth" sort="Freeman, Kenneth" uniqKey="Freeman K" first="Kenneth" last="Freeman">Kenneth Freeman</name><name sortKey="Parker, Quentin" sort="Parker, Quentin" uniqKey="Parker Q" first="Quentin" last="Parker">Quentin Parker</name><name sortKey="Reid, Warren A" sort="Reid, Warren A" uniqKey="Reid W" first="Warren A" last="Reid">Warren A. Reid</name><name sortKey="Sharma, Sanjib" sort="Sharma, Sanjib" uniqKey="Sharma S" first="Sanjib" last="Sharma">Sanjib Sharma</name><name sortKey="Watson, Fred G" sort="Watson, Fred G" uniqKey="Watson F" first="Fred G" last="Watson">Fred G. Watson</name></country><country name="Allemagne"><region name="Bade-Wurtemberg"><name sortKey="Grebel, Eva K" sort="Grebel, Eva K" uniqKey="Grebel E" first="Eva K" last="Grebel">Eva K. Grebel</name></region><name sortKey="Siviero, Alessandro" sort="Siviero, Alessandro" uniqKey="Siviero A" first="Alessandro" last="Siviero">Alessandro Siviero</name><name sortKey="Steinmetz, Matthias" sort="Steinmetz, Matthias" uniqKey="Steinmetz M" first="Matthias" last="Steinmetz">Matthias Steinmetz</name><name sortKey="Williams, Mary E K" sort="Williams, Mary E K" uniqKey="Williams M" first="Mary E K" last="Williams">Mary E K. Williams</name></country><country name="Pays-Bas"><noRegion><name sortKey="Helmi, Amina" sort="Helmi, Amina" uniqKey="Helmi A" first="Amina" last="Helmi">Amina Helmi</name></noRegion></country><country name="Italie"><noRegion><name sortKey="Munari, Ulisse" sort="Munari, Ulisse" uniqKey="Munari U" first="Ulisse" last="Munari">Ulisse Munari</name></noRegion></country><country name="Canada"><noRegion><name sortKey="Navarro, Julio" sort="Navarro, Julio" uniqKey="Navarro J" first="Julio" last="Navarro">Julio Navarro</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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