Keith Hawkins

activity

20162026

most citedGaia FGK Benchmark stars: Opening the black box of stellar element abundance determination

80 citations · 86 across the 10 of their papers we have counts for

collaborators

Showing 2025Show all

3 papers · 1 filter

astro-ph.GA2025

A Detailed Chemical Analysis of the Red Giant Orbiting the Black Hole $G aia$ BH3: From Lithium to Thorium

Zoe Hackshaw, Keith Hawkins, Catherine Manea

Preliminary astrometric data from the fourth data release of the $G aia$ mission revealed a 33 M $_{⊙}$ dark companion to a metal-poor red giant star, deemed $G aia$ BH3. This sys…

astro-ph.SR2025★ 1 cited

Exploring the History of Stellar Mergers with Chemistry: Examining the Origins of Massive $α$ -Enriched Stars using Carbon Isotope Ratios

Zachary G. Maas, Keith Hawkins, Jeffrey M. Gerber +2

Recently discovered massive $α$ -enriched (MAE) stars have surface chemistry consistent with members of the older thick disk Milky Way population but high masses ( $\sim$ 1.5 - 3 M$_…

astro-ph.SR2025★ 1 cited

Optical Spectroscopy Reveals Hidden Neutron-capture Elemental Abundance Differences among APOGEE-identified Chemical Doppelgängers

Catherine Manea, Melissa Ness, Keith Hawkins +9

Grouping stars by chemical similarity has the potential to reveal the Milky Way's evolutionary history. The APOGEE stellar spectroscopic survey has the resolution and sensitivity f…

A Detailed Chemical Analysis of the Red Giant Orbiting the Black Hole Gaia BH3: From Lithium to Thorium

Exploring the History of Stellar Mergers with Chemistry: Examining the Origins of Massive α-Enriched Stars using Carbon Isotope Ratios

Optical Spectroscopy Reveals Hidden Neutron-capture Elemental Abundance Differences among APOGEE-identified Chemical Doppelgängers

A Detailed Chemical Analysis of the Red Giant Orbiting the Black Hole $G aia$ BH3: From Lithium to Thorium

Exploring the History of Stellar Mergers with Chemistry: Examining the Origins of Massive $α$ -Enriched Stars using Carbon Isotope Ratios