Research

I am interested in the surface abundance and the evolution of post-mass-transfer systems such as blue stragglers, blue lurkers, CEMP-s stars, and Ba dwarfs. I am studying the abundances of such systems through high-resolution spectroscopic observations and 1D modeling of binary stellar evolution.

WIYN Open Cluster Study. LXXXII. Radial-velocity Measurements and Spectroscopic Binary Orbits in the Open Cluster NGC 7789

Andrew C. NineKatelyn E. MillimanRobert D. MathieuAaron M. GellerEmily M. LeinerImants PlataisBenjamin M. Tofflemire
The Astronomical Journal
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Vol 160, No. 4

WIYN Open Cluster Study. LXXXVII. Hubble Space Telescope Ultraviolet Detection of Hot White Dwarf Companions to Blue Lurkers in M67

Andrew C. NineRobert D. MathieuNatalie M. GosnellEmily M. Leiner
The Astrophysical Journal
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Volume 944, Issue 2, ID 145

WIYN Open Cluster Study. XC. Barium Surface Abundances of Blue Straggler Stars in the Open Clusters NGC 7789 and M67

Andrew C. NineRobert D. MathieuSimon C. SchulerKatelyn E. Milliman
The Astrophysical Journal
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Volume 970, Issue 2, ID 187