Problems with the interpretation of the 220 nm interstellar feature
Abstract The bump in the ultraviolet part of the interstellar extinction curve provides a great challenge in the modelling of interstellar dust. Its shape can be well approximated by a classical dispersion profile with a total halfwidth of 48 nm centred at 217 nm. Apart from few slightly deviating c...
Ausführliche Beschreibung
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Englisch |
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1986 |
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11 |
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Springer Online Journal Archives 1860-2002 |
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Übergeordnetes Werk: |
in: Astrophysics and space science - 1968, 128(1986) vom: Jan., Seite 71-81 |
Übergeordnetes Werk: |
volume:128 ; year:1986 ; month:01 ; pages:71-81 ; extent:11 |
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520 | |a Abstract The bump in the ultraviolet part of the interstellar extinction curve provides a great challenge in the modelling of interstellar dust. Its shape can be well approximated by a classical dispersion profile with a total halfwidth of 48 nm centred at 217 nm. Apart from few slightly deviating cases the parameters of the band seem to be surprisingly constant in the solar neighbourhood. The equivalent widthW of the 217 nm band shows a very tight correlation with the colour excessE(B-V). Studies of correlations with the strength of diffuse interstellar bands gave no conclusive results as to the nature of the band. The most common interpretation of the 217 nm feature as originating from small graphite grians meets several difficulties. No final decision on the carrier can be made at present. | ||
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700 | 1 | |a Gürtler, J. |4 oth | |
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(DE-627)NLEJ193016036 DE-627 ger DE-627 rakwb eng Problems with the interpretation of the 220 nm interstellar feature 1986 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract The bump in the ultraviolet part of the interstellar extinction curve provides a great challenge in the modelling of interstellar dust. Its shape can be well approximated by a classical dispersion profile with a total halfwidth of 48 nm centred at 217 nm. Apart from few slightly deviating cases the parameters of the band seem to be surprisingly constant in the solar neighbourhood. The equivalent widthW of the 217 nm band shows a very tight correlation with the colour excessE(B-V). Studies of correlations with the strength of diffuse interstellar bands gave no conclusive results as to the nature of the band. The most common interpretation of the 217 nm feature as originating from small graphite grians meets several difficulties. No final decision on the carrier can be made at present. Springer Online Journal Archives 1860-2002 Friedemann, C. oth Gürtler, J. oth in Astrophysics and space science 1968 128(1986) vom: Jan., Seite 71-81 (DE-627)NLEJ188985301 (DE-600)1472548-4 1572-946X nnns volume:128 year:1986 month:01 pages:71-81 extent:11 http://dx.doi.org/10.1007/BF00656019 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 128 1986 1 71-81 11 |
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(DE-627)NLEJ193016036 DE-627 ger DE-627 rakwb eng Problems with the interpretation of the 220 nm interstellar feature 1986 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract The bump in the ultraviolet part of the interstellar extinction curve provides a great challenge in the modelling of interstellar dust. Its shape can be well approximated by a classical dispersion profile with a total halfwidth of 48 nm centred at 217 nm. Apart from few slightly deviating cases the parameters of the band seem to be surprisingly constant in the solar neighbourhood. The equivalent widthW of the 217 nm band shows a very tight correlation with the colour excessE(B-V). Studies of correlations with the strength of diffuse interstellar bands gave no conclusive results as to the nature of the band. The most common interpretation of the 217 nm feature as originating from small graphite grians meets several difficulties. No final decision on the carrier can be made at present. Springer Online Journal Archives 1860-2002 Friedemann, C. oth Gürtler, J. oth in Astrophysics and space science 1968 128(1986) vom: Jan., Seite 71-81 (DE-627)NLEJ188985301 (DE-600)1472548-4 1572-946X nnns volume:128 year:1986 month:01 pages:71-81 extent:11 http://dx.doi.org/10.1007/BF00656019 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 128 1986 1 71-81 11 |
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(DE-627)NLEJ193016036 DE-627 ger DE-627 rakwb eng Problems with the interpretation of the 220 nm interstellar feature 1986 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract The bump in the ultraviolet part of the interstellar extinction curve provides a great challenge in the modelling of interstellar dust. Its shape can be well approximated by a classical dispersion profile with a total halfwidth of 48 nm centred at 217 nm. Apart from few slightly deviating cases the parameters of the band seem to be surprisingly constant in the solar neighbourhood. The equivalent widthW of the 217 nm band shows a very tight correlation with the colour excessE(B-V). Studies of correlations with the strength of diffuse interstellar bands gave no conclusive results as to the nature of the band. The most common interpretation of the 217 nm feature as originating from small graphite grians meets several difficulties. No final decision on the carrier can be made at present. Springer Online Journal Archives 1860-2002 Friedemann, C. oth Gürtler, J. oth in Astrophysics and space science 1968 128(1986) vom: Jan., Seite 71-81 (DE-627)NLEJ188985301 (DE-600)1472548-4 1572-946X nnns volume:128 year:1986 month:01 pages:71-81 extent:11 http://dx.doi.org/10.1007/BF00656019 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 128 1986 1 71-81 11 |
allfieldsGer |
(DE-627)NLEJ193016036 DE-627 ger DE-627 rakwb eng Problems with the interpretation of the 220 nm interstellar feature 1986 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract The bump in the ultraviolet part of the interstellar extinction curve provides a great challenge in the modelling of interstellar dust. Its shape can be well approximated by a classical dispersion profile with a total halfwidth of 48 nm centred at 217 nm. Apart from few slightly deviating cases the parameters of the band seem to be surprisingly constant in the solar neighbourhood. The equivalent widthW of the 217 nm band shows a very tight correlation with the colour excessE(B-V). Studies of correlations with the strength of diffuse interstellar bands gave no conclusive results as to the nature of the band. The most common interpretation of the 217 nm feature as originating from small graphite grians meets several difficulties. No final decision on the carrier can be made at present. Springer Online Journal Archives 1860-2002 Friedemann, C. oth Gürtler, J. oth in Astrophysics and space science 1968 128(1986) vom: Jan., Seite 71-81 (DE-627)NLEJ188985301 (DE-600)1472548-4 1572-946X nnns volume:128 year:1986 month:01 pages:71-81 extent:11 http://dx.doi.org/10.1007/BF00656019 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 128 1986 1 71-81 11 |
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(DE-627)NLEJ193016036 DE-627 ger DE-627 rakwb eng Problems with the interpretation of the 220 nm interstellar feature 1986 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract The bump in the ultraviolet part of the interstellar extinction curve provides a great challenge in the modelling of interstellar dust. Its shape can be well approximated by a classical dispersion profile with a total halfwidth of 48 nm centred at 217 nm. Apart from few slightly deviating cases the parameters of the band seem to be surprisingly constant in the solar neighbourhood. The equivalent widthW of the 217 nm band shows a very tight correlation with the colour excessE(B-V). Studies of correlations with the strength of diffuse interstellar bands gave no conclusive results as to the nature of the band. The most common interpretation of the 217 nm feature as originating from small graphite grians meets several difficulties. No final decision on the carrier can be made at present. Springer Online Journal Archives 1860-2002 Friedemann, C. oth Gürtler, J. oth in Astrophysics and space science 1968 128(1986) vom: Jan., Seite 71-81 (DE-627)NLEJ188985301 (DE-600)1472548-4 1572-946X nnns volume:128 year:1986 month:01 pages:71-81 extent:11 http://dx.doi.org/10.1007/BF00656019 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 128 1986 1 71-81 11 |
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Problems with the interpretation of the 220 nm interstellar feature |
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Abstract The bump in the ultraviolet part of the interstellar extinction curve provides a great challenge in the modelling of interstellar dust. Its shape can be well approximated by a classical dispersion profile with a total halfwidth of 48 nm centred at 217 nm. Apart from few slightly deviating cases the parameters of the band seem to be surprisingly constant in the solar neighbourhood. The equivalent widthW of the 217 nm band shows a very tight correlation with the colour excessE(B-V). Studies of correlations with the strength of diffuse interstellar bands gave no conclusive results as to the nature of the band. The most common interpretation of the 217 nm feature as originating from small graphite grians meets several difficulties. No final decision on the carrier can be made at present. |
abstractGer |
Abstract The bump in the ultraviolet part of the interstellar extinction curve provides a great challenge in the modelling of interstellar dust. Its shape can be well approximated by a classical dispersion profile with a total halfwidth of 48 nm centred at 217 nm. Apart from few slightly deviating cases the parameters of the band seem to be surprisingly constant in the solar neighbourhood. The equivalent widthW of the 217 nm band shows a very tight correlation with the colour excessE(B-V). Studies of correlations with the strength of diffuse interstellar bands gave no conclusive results as to the nature of the band. The most common interpretation of the 217 nm feature as originating from small graphite grians meets several difficulties. No final decision on the carrier can be made at present. |
abstract_unstemmed |
Abstract The bump in the ultraviolet part of the interstellar extinction curve provides a great challenge in the modelling of interstellar dust. Its shape can be well approximated by a classical dispersion profile with a total halfwidth of 48 nm centred at 217 nm. Apart from few slightly deviating cases the parameters of the band seem to be surprisingly constant in the solar neighbourhood. The equivalent widthW of the 217 nm band shows a very tight correlation with the colour excessE(B-V). Studies of correlations with the strength of diffuse interstellar bands gave no conclusive results as to the nature of the band. The most common interpretation of the 217 nm feature as originating from small graphite grians meets several difficulties. No final decision on the carrier can be made at present. |
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