Observations of the AGB Star IRC+10216 from Milliarcsec to Arcmin Spatial Scales

Details Observations of the AGB Star IRC+10216 from Milliarcsec to Arcmin Spatial Scales Observations of the AGB Star IRC+10216 from Milliarcsec to Arcmin Spatial Scales

Nov 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aspc..378..309l&link_type=abstract

Why Galaxies Care About AGB Stars: Their Importance as Actors and Probes. ASP Conference Series, Vol. 378, proceedings of the co

Astronomy and Astrophysics

Astronomy

Scientific paper

We present the dusty circumstellar envelope of the AGB star IRC+10216 as observed with the ESO/NACO and FORS1 instruments. On milli-arcsecond scales, the regions close to the central star appear very asymmetric and their morphology strongly varies from the J to the L bands. Temporal variations are also reported. On arcmin scales, the arclet structure found in the very extended envelope is resolved into very thin shells owing to the very good spatial resolution of our image. A global view obtained by combining both scales is also presented.

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