The DOI matches its Crossref record; 29 of the 29 references it cites were found in a registry or an index.
Debris Disk Evolution around A Stars
Open accessAbstract
We report 24 and/or 70 μm measurements of ~160 A-type main-sequence stars using the Multiband Imaging Photometer for Spitzer (MIPS). Their ages range from 5 to 850 Myr, based on estimates from the literature (cluster or moving group associations) or from the H-R diagram and isochrones. The thermal infrared excess is identified by comparing the deviation (~3% and ~15% at the 1 σ level at 24 and 70 μm, respectively) between the measurements and the synthetic Kurucz photospheric predictions. Stars showing excess infrared emission due to strong emission lines or extended nebulosity seen at 24 μm are excluded from our sample; therefore, the remaining infrared excesses are likely to arise from circumstellar debris disks. At the 3 σ confidence level, the excess rate at 24 and 70 μm is 32% and ≥33% (with an uncertainty of 5%), considerably higher than what has been found for old solar analogs and M dwarfs. Our measurements place constraints on the fractional dust luminosities and temperatures in the disks. We find that older stars tend to have lower fractional dust luminosity than younger ones. While the fractional luminosity from the excess infrared emission follows a general 1/ t relationship, the values at a given stellar age vary by at least 2 orders of magnitude. We also find that (1) older stars possess a narrow range of temperature distribution peaking at colder temperatures, and (2) the disk emission at 70 μm persists longer than that at 24 μm. Both results suggest that the debris disk clearing process is more effective in the inner regions.
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Cites
The relationship between infrared, optical, and ultraviolet extinction
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A [ITAL]Hipparcos[/ITAL] Census of the Nearby OB Associations
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Castelli, F. (2003) · Symposium - International Astronomical Union · doi:10.1017/s0074180900133248 · Cited by 558
The Origin of Planetary Impactors in the Inner Solar System
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Analysis of isoplanatic high resolution stellar fields by the StarFinder code
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Reduction Algorithms for the Multiband Imaging Photometer for Spitzer
Gordon, K. D., Rieke, G. H., Engelbracht, C. W., Muzerolle, J., Stansberry, J. A., Misselt, K. A., Morrison, J. E., Cadien, J., Young, E. T., Dole, H., et al. (2005) · Publications of the Astronomical Society of the Pacific · doi:10.1086/429309 · Cited by 349
Self-citationDecay of Planetary Debris Disks
Rieke, G. H., Su, K. Y. L., Stansberry, J. A., Trilling, D., Bryden, G., Muzerolle, J., White, B., Gorlova, N., Young, E. T., Beichman, C. A., et al. (2005) · The Astrophysical Journal · doi:10.1086/426937 · Cited by 348
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Cited by
Wyatt, M. C. (2008) · Annual Review of Astronomy and Astrophysics · doi:10.1146/annurev.astro.45.051806.110525 · Cited by 936
Debris Disks in Main‐Sequence Binary Systems
Trilling, D. E., Stansberry, J. A., Stapelfeldt, K. R., Rieke, G. H., Su, K. Y. L., Gray, R. O., Corbally, C. J., Bryden, G., Chen, C. H., Boden, A., et al. (2007) · The Astrophysical Journal · doi:10.1086/511668 · Cited by 368
Self-citationPerryman, M. (2018) · Cambridge University Press eBooks · doi:10.1017/9781108304160 · Cited by 340
Engelbracht, C. W., Blaylock, M., Su, K. Y. L., Rho, J., Rieke, G. H., Muzerolle, J., Padgett, D. L., Hines, D. C., Gordon, K. D., Fadda, D., et al. (2007) · Publications of the Astronomical Society of the Pacific · doi:10.1086/521881 · Cited by 310
Self-citationDebris Disks around Sun‐like Stars
Trilling, D. E., Bryden, G., Beichman, C. A., Rieke, G. H., Su, K. Y. L., Stansberry, J. A., Blaylock, M., Stapelfeldt, K. R., Beeman, J. W., & Haller, E. E. (2008) · The Astrophysical Journal · doi:10.1086/525514 · Cited by 295
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Metadata
- Authors
- Su, K. Y. L., Rieke, G. H., Stansberry, J. A., Bryden, G., Stapelfeldt, K. R., Trilling, D. E., Muzerolle, J., Beichman, C. A., Moro‐Martin, A., Hines, D. C., & Werner, M. W.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 2006-12-10
- Volume
- 653
- Issue
- 1
- Pages
- 675-689
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W1976630132
- Cited by
- 383
- References
- 29
- FWCI
- 13.50
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Su, K. Y. L., Rieke, G. H., Stansberry, J. A., Bryden, G., Stapelfeldt, K. R., Trilling, D. E., Muzerolle, J., Beichman, C. A., Moro‐Martin, A., Hines, D. C., & Werner, M. W. (2006). Debris Disk Evolution around A Stars. The Astrophysical Journal. https://doi.org/10.1086/508649
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