Circumstellar Disk around HD 143275 and Interstellar Absorption

Details Circumstellar Disk around HD 143275 and Interstellar Absorption Circumstellar Disk around HD 143275 and Interstellar Absorption

Jan 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006apj...637..342g&link_type=abstract

The Astrophysical Journal, Volume 637, Issue 1, pp. 342-345.

Astronomy and Astrophysics

Astronomy

5

Ism: Atoms, Ism: Clouds, Ism: Lines And Bands, Ism: Molecules

Scientific paper

This paper presents a collection of spectra of the star HD 143275 (δ Sco), acquired during the last 11 years. During this period, stellar absorption lines turned into emission features possibly originating in the circumstellar disk. We demonstrate that the circumstellar shell does not produce any components of interstellar absorption features (atomic lines, molecular features, and diffuse interstellar bands), which remain of the same equivalent widths during the whole period covered by our observations.

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