Spitzer Observations of the Dusty Warped Disk of Centaurus A
Spitzer mid-infrared images of the dusty warped disk in the galaxy Centaurus A show a parallelogram-shaped structure. We successfully model the observed mid-infrared morphology by integrating the light from an emitting, thin, and warped disk, similar to that inferred from previous kinematic studies....
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| Veröffentlicht in: | The Astrophysical journal 2006-07, Vol.645 (2), p.1092-1101 |
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| container_end_page | 1101 |
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| container_issue | 2 |
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| container_title | The Astrophysical journal |
| container_volume | 645 |
| creator | Quillen, Alice C Brookes, Mairi H Keene, Jocelyn Stern, Daniel Lawrence, Charles R Werner, Michael W |
| description | Spitzer mid-infrared images of the dusty warped disk in the galaxy Centaurus A show a parallelogram-shaped structure. We successfully model the observed mid-infrared morphology by integrating the light from an emitting, thin, and warped disk, similar to that inferred from previous kinematic studies. The models with the best match to the morphology lack dust emission within the inner 0.1-0.8 kpc, suggesting that energetic processes near the nucleus have disturbed the inner molecular disk, creating a gap in the molecular gas distribution. |
| doi_str_mv | 10.1086/504418 |
| format | Article |
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| subjects | Astronomy Earth, ocean, space Exact sciences and technology |
| title | Spitzer Observations of the Dusty Warped Disk of Centaurus A |
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