Discovery of debris around Vega PowerPoint PPT Presentation

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Title: Discovery of debris around Vega


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Discovery of debris around Vega
Observed IR spectrum with 10,000 K black body
subtracted
IRAS observation Temperature 85 K Extent
20 arcsec 85 AU
Aumann et al. 1984, ApJL 278, 23
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Imaging of the debris disc around beta Pictoris
Smith Terrile 1984, Science 266, 1421
HST
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Molecular clouds
VLT/ESO
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Molecular cloud - Eagle Nebula
HST
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Molecular cloud - Eagle Nebula
HST
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McCaughrean ODell 1996 AJ 111, 1977
Protoplanetary discs in Orion with HST
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