Resolving debris discs in the far-infrared: Early highlights from the DEBRIS survey
We present results from the earliest observations of DEBRIS, a Herschel key programme to conduct a volume- and flux-limited survey for debris discs in A-type through M-type stars. PACS images (from chop/nod or scan-mode observations) at 100 and 160 μm are presented toward two A-type stars and one F-...
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| Veröffentlicht in: | Astronomy and astrophysics (Berlin) 2010-07, Vol.518 (1), p.L135 |
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| creator | Matthews, B. C. Sibthorpe, B. Kennedy, G. Phillips, N. Churcher, L. Duchêne, G. Greaves, J. S. Lestrade, J.-F. Moro-Martin, A. Wyatt, M. C. Bastien, P. Biggs, A. Bouvier, J. Butner, H. M. Dent, W. R. F. Di Francesco, J. Eislöffel, J. Graham, J. Harvey, P. Hauschildt, P. Holland, W. S. Horner, J. Ibar, E. Ivison, R. J. Johnstone, D. Kalas, P. Kavelaars, J. Rodriguez, D. Udry, S. van der Werf, P. Wilner, D. Zuckerman, B. |
| description | We present results from the earliest observations of DEBRIS, a Herschel key programme to conduct a volume- and flux-limited survey for debris discs in A-type through M-type stars. PACS images (from chop/nod or scan-mode observations) at 100 and 160 μm are presented toward two A-type stars and one F-type star: β Leo, β UMa and η Corvi. All three stars are known disc hosts. Herschel spatially resolves the dust emission around all three stars (marginally, in the case of β UMa), providing new information about discs as close as 11 pc with sizes comparable to that of the Solar System. We have combined these data with existing flux density measurements of the discs to refine the SEDs and derive estimates of the fractional luminosities, temperatures and radii of the discs. |
| doi_str_mv | 10.1051/0004-6361/201014667 |
| format | Article |
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S.</au><au>Lestrade, J.-F.</au><au>Moro-Martin, A.</au><au>Wyatt, M. C.</au><au>Bastien, P.</au><au>Biggs, A.</au><au>Bouvier, J.</au><au>Butner, H. M.</au><au>Dent, W. R. F.</au><au>Di Francesco, J.</au><au>Eislöffel, J.</au><au>Graham, J.</au><au>Harvey, P.</au><au>Hauschildt, P.</au><au>Holland, W. S.</au><au>Horner, J.</au><au>Ibar, E.</au><au>Ivison, R. 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| ispartof | Astronomy and astrophysics (Berlin), 2010-07, Vol.518 (1), p.L135 |
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| language | eng |
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| source | Bacon EDP Sciences France Licence nationale-ISTEX-PS-Journals-PFISTEX; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; EDP Sciences |
| subjects | Astronomy Astrophysics circumstellar matter Earth, ocean, space Exact sciences and technology infrared: stars Sciences of the Universe stars: individual: β Leo stars: individual: β UMa stars: individual: η Corvi |
| title | Resolving debris discs in the far-infrared: Early highlights from the DEBRIS survey |
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