High resolution observations of interstellar NA I absorption towards Large Magellanic Cloud stars. I - R 116, R 127 and R 128 with the ESO coude echelle spectrometer

Details High resolution observations of interstellar NA I absorption towards Large Magellanic Cloud stars. I - R 116, R 127 and R 128 with the ESO coude echelle spectrometer High resolution observations of interstellar NA I absorption towards Large Magellanic Cloud stars. I - R 116, R 127 and R 128 with the ESO coude echelle spectrometer

Nov 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...152..151f&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 152, no. 1, Nov. 1985, p. 151-156.

Physics

Optics

17

Absorption Spectra, Astronomical Spectroscopy, Interstellar Matter, Magellanic Clouds, Sodium, Stellar Envelopes, Fiber Optics, High Resolution, Visible Spectrum

Scientific paper

The authors present the interstellar neutral sodium spectra obtained towards three Large Magellanic Cloud stars: HDE 269700 at a resolution of 8 km s-1; HDE 269858f and HDE 269859 at 5 km s-1 resolution. These are the first results of remotely linked spectroscopy through an optical fiber at ESO - La Silla. Discovered as an S Dor-type variable, the authors detect in HDE 269858f (R 127) broad Na I absorptions probably due to an ejected and cooled circumstellar envelope.

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