An extremely peculiar hot subdwarf with a ten-thousand-fold excess of zirconium, yttrium, and strontium

Naslim N., C. S. Jeffery, N. T. Behara +1

Helium-rich subdwarf B (He-sdB) stars represent a small group of low-mass hot stars with luminosities greater than those of conventional subdwarf B stars, and effective temperature…