Interstellar dust in the Local Cloud surrounding the Sun

On the basis of the most recent view on the local interstellar medium consisting of a single continuous cloud, termed the Local Cloud, we study the destruction of interstellar dust by the propagation of a shock wave in the Local Cloud. We survey gas-phase column densities of dust-forming elements in...

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Veröffentlicht in:Monthly notices of the Royal Astronomical Society 2015-05, Vol.449 (3), p.2250-2258
1. Verfasser: Kimura, Hiroshi
Format: Artikel
Sprache:eng
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Zusammenfassung:On the basis of the most recent view on the local interstellar medium consisting of a single continuous cloud, termed the Local Cloud, we study the destruction of interstellar dust by the propagation of a shock wave in the Local Cloud. We survey gas-phase column densities of dust-forming elements in the literature to determine how the dust destruction fraction varies with the angle from the minor axis of the cloud. Our results indicate that the propagation of a shock wave destroyed approximately 20 per cent of interstellar dust towards the minor axis of the cloud pointing near the anti-apex of motion with a shock of 
ISSN:0035-8711
1365-2966
DOI:10.1093/mnras/stv427