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Validating full-spectrum fitting with a synthetic integral-field spectroscopic observation of the Milky Way
Zixian Wang, Michael R. Hayden, Sanjib Sharma +5
Ongoing deep IFS observations of disk galaxies provide opportunities for comparison with the Milky Way (MW) to understand galaxy evolution. However, such comparisons are marred by…
The dawn is quiet here: Rise in [/Fe] is a signature of massive gas accretion that fueled proto-Milky Way
Boquan Chen, Yuan-Sen Ting, Michael Hayden
The proto-Milky Way epoch forms the earliest stars in our Galaxy and sets the initial conditions for subsequent disk formation. Recent observations from APOGEE and H3 surveys showe…
GECKOS: Turning galaxy evolution on its side with deep observations of edge-on galaxies
J. van de Sande, A. Fraser-McKelvie, D. B. Fisher +3
We present GECKOS (Generalising Edge-on galaxies and their Chemical bimodalities, Kinematics, and Outflows out to Solar environments), a new ESO VLT/MUSE large program. The main ai…
The GALAH survey: New diffuse interstellar bands found in residuals of 872,000 stellar spectra
Rok Vogrinčič, Janez Kos, Tomaž Zwitter +11
We use more than 872,000 mid-to-high resolution (R 20,000) spectra of stars from the GALAH survey to discern the spectra of diffuse interstellar bands (DIBs). We use four wi…