First detection of bromine and antimony in hot stars

K. Werner; T. Rauch; M. Knörzer; J. W. Kruk

doi:10.1051/0004-6361/201832723

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Volume 614 (June 2018)

A&A, 614 (2018) A96

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Table 2

Bromine and antimony abundances measured in He-rich white dwarfs.

Star	T_eff /K	log g	Br	Sb
RE 0503−289	70 000	7.50	− 4.5	− 4.3
PG 0109+111	70 000	8.00		− 5.3
HD 149499 B	49 500	7.97	− 4.3

Notes. Abundances given as logarithm of mass fraction. Solar mass fractions are log Br = −7.7 and log Sb = −9.0. Surface gravity g in cm/s².

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