Detection of interstellar boron in front of kappa Orionus

Details Detection of interstellar boron in front of kappa Orionus Detection of interstellar boron in front of kappa Orionus

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...235l.111m&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 235, Jan. 15, 1980, p. L111-L114.

Astronomy and Astrophysics

Astrophysics

13

Abundance, Astronomical Spectroscopy, Boron, Interstellar Matter, Absorption Spectra, Hydrogen, Oao 3, Stellar Atmospheres

Scientific paper

The detection of interstellar boron in the direction of kappa Ori, obtained with the Copernicus satellite telescope by observing the B II 1362.46-A resonance line is reported. A B/H concentration ratio of (1.5 + or - 0.7) x 10 to the -10th (2 standard deviation error bar) is obtained. The main uncertainty lies in the determination of the continuum of the star in that wavelength region, dominated by a broad stellar absorption feature. The value inferred for B/H in the interstellar medium is consistent with the solar and stellar values, believed to be the galactic value, and with the theory of the production of B by cosmic rays in the interstellar medium.

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