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Gas infall and poss...
Gas infall and possible circumstellar rotation in R Leonis
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- Fonfria, J. P. (författare)
- Agencia Estatal Consejo Superior de Investigaciones Científicas,Spanish National Research Council
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- Santander-Garcia, M. (författare)
- Observatorio de Yebes (IGN),Yebes Observatory
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- Cernicharo, J. (författare)
- Agencia Estatal Consejo Superior de Investigaciones Científicas,Spanish National Research Council
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- Velilla Prieto, Luis, 1981 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Agundez, M. (författare)
- Agencia Estatal Consejo Superior de Investigaciones Científicas,Spanish National Research Council
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- Marcelino, N. (författare)
- Agencia Estatal Consejo Superior de Investigaciones Científicas,Spanish National Research Council
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- Quintana-Lacaci, G. (författare)
- Agencia Estatal Consejo Superior de Investigaciones Científicas,Spanish National Research Council
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(creator_code:org_t)
- 2019-02-19
- 2019
- Engelska.
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Ingår i: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 622
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We present new interferometer molecular observations of R Leo taken at 1.2 mm with the Atacama Large Millimeter Array with an angular resolution up to similar or equal to 0.'' 026. These observations permitted us to resolve the innermost envelope of this star, which revealed a complex structure that involves extended continuum emission and molecular emission showing a non-radial gas velocity distribution. This molecular emission displays prominent red-shifted absorptions located immediately in front of the star, which are typical footprints of material infall. This emission also shows lateral gas motions compatible with a torus-like structure.
Ämnesord
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Nyckelord
- stars: AGB and post-AGB
- techniques: high angular resolution
- circumstellar matter
- stars: individual: R Leo
- techniques: interferometric
- stars: mass-loss
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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