
International Gemini Observatory/NOIRLab/NSF/AURA/GMOS team/
Unveiling Galaxy Bulge Formation with Gemini/GMOS
Left: Gemini/GMOS observational set up for one of the sample galaxies. Background image
Right: GMOS spectra as a function of radius for NGC 628. Many of the stellar absorption-line features, known as "Lick Indices," are marked as vertical shading.