Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.14/136739
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- Title
- Born-again protoplanetary disk around Mira B
- Related
- Astrophysical journal, Vol. 662, No. 1, (2007), p.651-657
- DOI
- 10.1086/517993
- Publisher
- Institute of Physics Publishing
- Date
- 2007
- Author/Creator
- Ireland, M. J
- Author/Creator
- Monnier, J.D
- Author/Creator
- Tuthill, P.G
- Author/Creator
- Cohen, R. W
- Author/Creator
- De Buizer, J. M
- Author/Creator
- Packham, C
- Author/Creator
- Ciardi, D
- Author/Creator
- Hayward, T
- Author/Creator
- Lloyd, J.P
- Description
- The Mira AB system is a nearby (∼ 107 pc) example of a wind accreting binary star system. In this class of system, the wind from a mass-losing red giant star (Mira A) is accreted onto a companion (Mira B), as indicated by an accretion shock signature in spectra at ultraviolet and X-ray wavelengths. Using novel imaging techniques, we report the detection of emission at mid-infrared wavelengths between 9.7 and 18.3 μm from the vicinity of Mira B but with a peak at a radial position about 10 AU closer to the primary Mira A. We interpret the mid-infrared emission as the edge of an optically-thick accretion disk heated by Mira A. The discovery of this new class of accretion disk fed by M-giant mass loss implies a potential population of young planetary systems in white dwarf binaries, which has been little explored despite being relatively common in the solar neighborhood.
- Description
- 7 page(s)
- Subject Keyword
- Binaries: symbiotic
- Subject Keyword
- Stars: AGB and post-AGB
- Subject Keyword
- Stars: individual (Mira AB) stars
- Subject Keyword
- Winds, outflows -techniques: interferometric
- Resource Type
- journal article
- Organisation
- Macquarie University. Dept. of Physics and Astronomy
- Identifier
- http://hdl.handle.net/1959.14/136739
- Identifier
- ISSN:0004-637X
- Identifier
- mq_res-ext-2-s2.0-34347236157
- Language
- eng
- Reviewed
