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- Publisher Website: 10.1126/science.1253171
- Scopus: eid_2-s2.0-84906095512
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Article: Pseudo-three-dimensional maps of the diffuse interstellar band at 862 nm
Title | Pseudo-three-dimensional maps of the diffuse interstellar band at 862 nm |
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Authors | Kos, JanezZwitter, TomažWyse, Rosemary F GBienaymé, OlivierBinney, James J.Bland-Hawthorn, Joss BlandFreeman, Kenneth C.Gibson, Brad K.Gilmore, Gerard F.Grebel, Eva K.Helmi, AminaKordopatis, GeorgesMunari, UlisseNavarro, Julio F.Parker, Quentin A.Reid, Warren A.Seabroke, George M.Sharma, SanjibSiebert, ArnaudSiviero, AlessandroSteinmetz, MatthiasWatson, Fred G.Williams, Mary E K |
Issue Date | 2014 |
Citation | Science, 2014, v. 345, n. 6198, p. 791-795 How to Cite? |
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. |
Persistent Identifier | http://hdl.handle.net/10722/209035 |
ISSN | 2023 Impact Factor: 44.7 2023 SCImago Journal Rankings: 11.902 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Kos, Janez | - |
dc.contributor.author | Zwitter, Tomaž | - |
dc.contributor.author | Wyse, Rosemary F G | - |
dc.contributor.author | Bienaymé, Olivier | - |
dc.contributor.author | Binney, James J. | - |
dc.contributor.author | Bland-Hawthorn, Joss Bland | - |
dc.contributor.author | Freeman, Kenneth C. | - |
dc.contributor.author | Gibson, Brad K. | - |
dc.contributor.author | Gilmore, Gerard F. | - |
dc.contributor.author | Grebel, Eva K. | - |
dc.contributor.author | Helmi, Amina | - |
dc.contributor.author | Kordopatis, Georges | - |
dc.contributor.author | Munari, Ulisse | - |
dc.contributor.author | Navarro, Julio F. | - |
dc.contributor.author | Parker, Quentin A. | - |
dc.contributor.author | Reid, Warren A. | - |
dc.contributor.author | Seabroke, George M. | - |
dc.contributor.author | Sharma, Sanjib | - |
dc.contributor.author | Siebert, Arnaud | - |
dc.contributor.author | Siviero, Alessandro | - |
dc.contributor.author | Steinmetz, Matthias | - |
dc.contributor.author | Watson, Fred G. | - |
dc.contributor.author | Williams, Mary E K | - |
dc.date.accessioned | 2015-03-23T02:31:14Z | - |
dc.date.available | 2015-03-23T02:31:14Z | - |
dc.date.issued | 2014 | - |
dc.identifier.citation | Science, 2014, v. 345, n. 6198, p. 791-795 | - |
dc.identifier.issn | 0036-8075 | - |
dc.identifier.uri | http://hdl.handle.net/10722/209035 | - |
dc.description.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. | - |
dc.language | eng | - |
dc.relation.ispartof | Science | - |
dc.title | Pseudo-three-dimensional maps of the diffuse interstellar band at 862 nm | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1126/science.1253171 | - |
dc.identifier.scopus | eid_2-s2.0-84906095512 | - |
dc.identifier.volume | 345 | - |
dc.identifier.issue | 6198 | - |
dc.identifier.spage | 791 | - |
dc.identifier.epage | 795 | - |
dc.identifier.eissn | 1095-9203 | - |
dc.identifier.isi | WOS:000340593100039 | - |
dc.identifier.issnl | 0036-8075 | - |