Interstellar C IV and SI IV in the local instellar medium(?)

Details Interstellar C IV and SI IV in the local instellar medium(?) Interstellar C IV and SI IV in the local instellar medium(?)

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.263..678m&link_type=abstract

In European Space Agency, Paris, France. Proceedings of an International Symposium on New Insights in Astrophysics. Eight Years

Astronomy and Astrophysics

Astrophysics

2

Carbon, Interstellar Chemistry, Interstellar Extinction, Interstellar Space, Silicon, Iue, Stellar Envelopes, Stellar Spectra

Scientific paper

Study of a sample of late-B fast rotators revealed narrow absorptions of C IV and Si IV in the direction of 6 stars within 200 pc of the Sun. The features are faint and narrow and in a few cases superimposed on broader and more complex profiles. It is not clear if they originate in the surroundings of the star or in the diffuse interstellar medium. The FWHMs of the absorptions, in some cases at the IUE limit, point to an interstellar origin, but nearly all the stars in which C IV and Si IV are detected are Be and the absorptions could in fact be associated with the extended envelope around the stars.

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