1.3 MM Plateau de Bure Observations of IRC+10216

Details 1.3 MM Plateau de Bure Observations of IRC+10216 1.3 MM Plateau de Bure Observations of IRC+10216

Jul 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997ap%26ss.251..247l&link_type=abstract

Astrophysics and Space Science, Volume 251, Issue 1-2, pp. 247-250

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

The Plateau de Bure millimeter-wave interferometer has been used at 1.3 mm wavelength to observe the prototype carbon-star IRC+10216 in the continuum and in the v = 1, J = 13 - 11 transition of SiS at 234.8 GHz. The 3 mm continuum and the v = (0, 20, 2), J = 1 - 0 HCN transition were simultaneously observed. The source of vibrationally excited SiS appears resolved, and a source size of ˜ 0.4″ or 7 1014cm (10 stellar radii) is derived, in agreement with a crude model of line formation.

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