Astronomy and Astrophysics – Astrophysics
Scientific paper
2000-05-25
Astronomy and Astrophysics
Astrophysics
Accepted for publication in The Astrophysical Journal. 13 pages, including 2 tables and 4 figures. Also available at http://
Scientific paper
10.1086/317106
We use new Space Telescope Imaging Spectrograph (STIS) and archival Goddard High Resolution Spectrograph (GHRS) observations to study interstellar B II 1362 and O I 1355 absorption along seven sightlines. Our new column density measurements, combined with measurements of four sightlines from the literature, allow us to study the relative B/O abundances over a wide range of interstellar environments. We measure sightline-integrated relative gas-phase abundances in the range [B/O] = -1.00 to -0.17, and our data show the B/O abundances are anticorrelated with average sightline densities over the range log
Howk Jay Christopher
Savage Blair. D.
Sembach Kenneth Russell
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