A possible signature of non-uniform Be-αrelationships for the Galaxy

Details A possible signature of non-uniform Be-αrelationships for the Galaxy A possible signature of non-uniform Be-αrelationships for the Galaxy

2011-08-10

arxiv.org/abs/1108.2074v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

12 pages, 3 figures; accepted for publication in ApJ Letter

Scientific paper

10.1088/2041-8205/738/2/L33

Most of the previous studies on beryllium abundances in metal-poor stars have taken different Galactic populations as a whole when investigating the production and evolution of Be. In this Letter, we report on the detection of systematic differences in [\alpha/H]-A(Be) relationships between the low- and high-\alpha\ stars which were identified by previous works. We remind that one should be more careful in investigating the Galactic evolution of Be with a sample comprising different Galactic populations, because such a mixed sample may lead to inaccurate Be-Fe/Be-O relationships.

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