The interstellar spectrum towards the supernova 1987A in the Large Magellanic Cloud

Details The interstellar spectrum towards the supernova 1987A in the Large Magellanic Cloud The interstellar spectrum towards the supernova 1987A in the Large Magellanic Cloud

Apr 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987natur.326..770a&link_type=abstract

Nature (ISSN 0028-0836), vol. 326, April 23, 1987, p. 770-772.

Computer Science

23

Absorption Spectra, Interstellar Matter, Line Spectra, Magellanic Clouds, Supernova 1987A, Calcium, Halos, Interstellar Gas, Potassium, Sodium

Scientific paper

The supernova 1987A offers a unique opportunity to probe the visible interstellar absorption spectrum towards the Large Magellanic Cloud at high resolution and high signal-to-noise ratio. The authors report the first results of these observations. A Ca II "forest" is detected through all the velocity range between the Galaxy and the Large Magellanic Cloud and in particular, a component is seen at a velocity of ≡215 km s-1 which may correspond to cooler gas in a halo. A preliminary abundance study is also presented.

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