Column densities of interstellar matter in the direction of the star Kappa CAS (B1 Ia)

Details Column densities of interstellar matter in the direction of the star Kappa CAS (B1 Ia) Column densities of interstellar matter in the direction of the star Kappa CAS (B1 Ia)

Jul 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.146...27m&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 146, no. 1, July 1988, p. 27-32.

Astronomy and Astrophysics

Astrophysics

2

Astronomical Spectroscopy, B Stars, Interstellar Matter, Space Density, Stellar Composition, Interstellar Extinction, Interstellar Gas, Oao 3, Ultraviolet Spectra

Scientific paper

The IUE high-resolution SWP spectrum of Kappa Cas, B1 Ia was used to measure the column densities of Si II, C II, Al II, S II, Fe II, Ni II, and Zn II. The relations of element depletions to condensation temperature are examined, and the results are compared with interstellar column densities in the directions of other B-type stars obtained with the Copernicus satellite. The results show significant depletion in Ni and Fe, with Fe depletion for the reddened K Cas being greater than that for high-reddened and low-reddened stars. There is a crude relation between the depletion and condensation temperature.

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