The Boron Abundance of the Orion G-Dwarf Member BD -05 deg1317

Details The Boron Abundance of the Orion G-Dwarf Member BD -05 deg1317 The Boron Abundance of the Orion G-Dwarf Member BD -05 deg1317

Jul 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999apj...519..844c&link_type=abstract

The Astrophysical Journal, Volume 519, Issue 2, pp. 844-849.

Astronomy and Astrophysics

Astronomy

5

Stars: Abundances, Stars: Individual: Alphanumeric: Bd -05 Deg1317, Ultraviolet: Stars

Scientific paper

The boron abundance is derived for the young Orion solar-type member BD -05 deg1317 from Hubble Space Telescope Goddard High Resolution Spectrograph spectra of the B I resonance lines near 2497 Å. The abundance of logɛ(B)=2.1+/-0.2 is ~0.6-0.7 dex below solar. As this young pre-main-sequence star has an undepleted lithium abundance, such a low boron abundance in a near-solar metallicity star is unexpected. No simple explanation apparently accounts for the low boron abundance observed for this star. A comparison of the boron and oxygen abundances in BD -05 deg1317 with those of other near-solar metallicity disk stars suggests that there might be a large scatter (~0.8 dex) in the boron abundance at a given oxygen abundance. Such a scatter also has been reported in the literature for beryllium at a given metallicity.

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