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A Circumstellar Disk Around β Pictoris
Abstract
A circumstellar disk has been observed optically around the fourth-magnitude star β Pictoris. First detected in the infrared by the Infrared Astronomy Satellite last year, the disk is seen to extend to more than 400 astronomical units from the star, or more than twice the distance measured in the infrared by the Infrared Astronomy Satellite. The β Pictoris disk is presented to Earth almost edge-on and is composed of solid particles in nearly coplanar orbits. The observed change in surface brightness with distance from the star implies that the mass density of the disk falls off with approximately the third power of the radius. Because the circumstellar material is in the form of a highly flattened disk rather than a spherical shell, it is presumed to be associated with planet formation. It seems likely that the system is relatively young and that planet formation either is occurring now around β Pictoris or has recently been completed.
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Cited by
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Kalas, P., Graham, J. R., & Clampin, M. (2005) · Nature · doi:10.1038/nature03601 · Cited by 411
Mannings, V., & Sargent, A. I. (1997) · The Astrophysical Journal · doi:10.1086/304897 · Cited by 332
Planet Hunters IX. KIC 8462852 - Where's the Flux?
Boyajian, T. S., LaCourse, D. M., Rappaport, S. A., Fabrycky, D., Fischer, D. A., Gandolfi, D., Kennedy, G. M., Korhonen, H., Liu, M. C., Moor, A., et al. (2016) · Monthly Notices of the Royal Astronomical Society · doi:10.1093/mnras/stw218 · Cited by 291
Models of the dust structures around Vega-excess stars
Dent, W. R. F., Walker, H. J., Holland, W. S., & Greaves, J. S. (2000) · Monthly Notices of the Royal Astronomical Society · doi:10.1046/j.1365-8711.2000.03331.x · Cited by 128
Metadata
- Authors
- Smith, B. A., & Terrile, R. J.
- Venue
- Science
- Published
- 1984-12-21
- Volume
- 226
- Issue
- 4681
- Pages
- 1421-1424
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2000146957
- Cited by
- 734
- References
- 0
- FWCI
- 15.64
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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