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The Bright and Cool stars in M33: Using AGB stars to probe the age and metallicity of galaxies

The Bright and Cool stars in M33: Using AGB stars to probe the age and metallicity of galaxies

by Abby Lee | May 17, 2023 | Daily Paper Summaries

Today’s paper explores a novel method to use intermediate-age AGB stars to probe the metallicity and age othe Triangulum galaxy M33.

HEAVY, BUT NOT METAL: Could Metal-Free Stars be the Source of Massive Black Hole Mergers?

HEAVY, BUT NOT METAL: Could Metal-Free Stars be the Source of Massive Black Hole Mergers?

by Aldo Panfichi | Mar 12, 2022 | Daily Paper Summaries

In today’s paper, the authors test the theory that the earliest, metal-poorest stars are the primary source of binary black hole mergers.

FOCASing on the Metallicity Gradient of an Extremely Metal-poor Galaxy

FOCASing on the Metallicity Gradient of an Extremely Metal-poor Galaxy

by Jason Hinkle | Nov 17, 2021 | Daily Paper Summaries

Today’s authors explore a nearby analog of some of the earliest galaxies to form in the universe and measure a metallicity gradient.

UR: Phase Difference and Metallicity of RR Lyrae Variable Stars

UR: Phase Difference and Metallicity of RR Lyrae Variable Stars

by Guest | Nov 11, 2021 | Undergraduate Research

In the latest of our #UndergradResearch series, explore how Anna McElhannon is investigating the relationship between pulsation and metallicity in RR Lyrae stars!

A story of light and darkness

A story of light and darkness

by Roan Haggar | Sep 18, 2021 | Daily Paper Summaries

There’s a problem with dark matter, and two possible solutions: bright, luminous supernovae, or dark matter itself.

UR: Are black hole progenitors missing in metal-poor environments?

UR: Are black hole progenitors missing in metal-poor environments?

by Guest | Aug 8, 2021 | Undergraduate Research

In the latest of our #UndergradResearch series, read about the work by Beryl Hovis-Afflerbach on the environments in which binary black holes originate!

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