The EGIDE project releases a tenfold larger catalogue of edge-on galaxies with griz photometry, stellar masses, redshifts and star formation rates, finding that red-sequence galaxies are thicker than blue-cloud ones and show a mass-dependent increase in flattening ratio.
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Optically selected superthin galaxies remain superthin in NIR with unchanged axis ratios, showing no prominent thick disk from old stars, and prefer lower-density environments consistent with high-halo-spin formation.
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The Edge-on Galaxies in the DESI survey (EGIDE): sample building and photometry
The EGIDE project releases a tenfold larger catalogue of edge-on galaxies with griz photometry, stellar masses, redshifts and star formation rates, finding that red-sequence galaxies are thicker than blue-cloud ones and show a mass-dependent increase in flattening ratio.
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Optically Selected Superthin Galaxies Remain Thin in the Near-infrared
Optically selected superthin galaxies remain superthin in NIR with unchanged axis ratios, showing no prominent thick disk from old stars, and prefer lower-density environments consistent with high-halo-spin formation.