Interstellar CA II in supernova Wischnjewsky in NGC 1361 /Fornax A/

Details Interstellar CA II in supernova Wischnjewsky in NGC 1361 /Fornax A/ Interstellar CA II in supernova Wischnjewsky in NGC 1361 /Fornax A/

Aug 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981mnras.196p..65b&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 196, Aug. 1981, p. 65P-71P.

Other

11

Astronomical Spectroscopy, Calcium, Interstellar Matter, Radio Galaxies, Supernovae, Absorption Spectra, High Resolution, Metal Ions, Milky Way Galaxy

Scientific paper

Results are presented of a high-resolution spectrum of interstellar Ca II in the 1980 supernova in the cD galaxy NGC 1316 (Fornax A). Three interstellar clouds are detected, with heliocentric velocities of +18, +1364 and +1886 km/s. The lowest velocity cloud, which is also the strongest (Ca II K = 0.21 A), originates in the Galaxy, probably in local (less than 3 kpc) gas. The other two clouds are much weaker and are attributed to gas in NGC 1316, although the +1364 km/s component could be unbound from it. No high-velocity halo clouds in our Galaxy or in the intergalactic medium to NGC 1316 are detected to a limit of N(Ca II) not greater than 1-2 x 10 to the 11th/sq cm.

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