219 citations · 1.4k across the 23 of their papers we have counts for
Showing 2016 · astro-ph.GAShow all
3 papers · 2 filters
astro-ph.GA2016★ 47 cited
Cosmic phylogeny: reconstructing the chemical history of the solar neighbourhood with an evolutionary tree
Paula Jofre, Payel Das, Jaume Bertranpetit +1
Using 17 chemical elements as a proxy for stellar DNA, we present a full phylogenetic study of stars in the solar neighbourhood. This entails applying a clustering technique that i…
astro-ph.GA2016★ 45 cited
Characterizing stellar halo populations II: The age gradient in blue horizontal-branch stars
Payel Das, Angus Williams, James Binney
The distribution of Milky Way halo blue horizontal-branch (BHB) stars is examined using action-based extended distribution functions (EDFs) that describe the locations of stars in…
astro-ph.GA2016★ 64 cited
Characterising stellar halo populations I: An extended distribution function for halo K giants
Payel Das, James Binney
We fit an Extended Distribution Function (EDF) to K giants in the Sloan Extension for Galactic Understanding and Exploration (SEGUE) survey. These stars are detected to radii ~80 k…