activity
20192026
most citedIn the Galactic disk, stellar [Fe/H] and age predict orbits and precise [X/Fe]

87 citations · 103 across the 11 of their papers we have counts for

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Showing astro-ph.SRShow all

5 papers · 1 filter

astro-ph.SR2025

Looking for Companionship: Radial Velocity Follow-Up of Lithium-Rich Giants with ESPRESSO

Maryum Sayeed, Andrew R. Casey, Benjamin T. Montet +4

Lithium-rich red giants have been a long-standing mystery in stellar astrophysics. A leading theory to explain these chemically peculiar and rare objects is interactions with a clo…

astro-ph.SR2025★ 1 cited

SDSS-V Milky Way Mapper (MWM): ASPCAP Stellar Parameters and Abundances in SDSS-V Data Release 19

Szabolcs Mészáros, Paula Jofré, Jennifer A. Johnson +25

The goal of this paper is to describe the science verification of Milky Way Mapper (MWM) APOGEE Stellar Parameter and Chemical Abundances Pipeline (ASPCAP) data products published…

astro-ph.SR2025★ 1 cited

Probing Binary Architectures of Lithium-Rich Giants in GALAH with COSMIC and Stellar Models

Maryum Sayeed, Selina Yang, Giulia Cinquegrana +5

Surface lithium is depleted when a star goes through the first dredge-up phase, yet of red giants are found to be Li-rich. The formation mechanism for these remains uncertain…

astro-ph.SR2025

A Data-Driven M Dwarf Model and Detailed Abundances for 17,000 M Dwarfs in SDSS-V

Aida Behmard, Melissa K. Ness, Andrew R. Casey +6

The cool temperatures of M dwarf atmospheres enable complex molecular chemistry, making robust characterization of M dwarf compositions a long-standing challenge. Recent modificati…

astro-ph.SR2019★ 87 cited

In the Galactic disk, stellar [Fe/H] and age predict orbits and precise [X/Fe]

Melissa K. Ness, Kathryn V. Johnston, Kirsten Blancato +4

We explore the structure of the element abundance--age--orbit distribution of the stars in the Milky Way's low- disk, by (re-)deriving precise [Fe/H], [X/Fe] and ages, along wit…