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astro-ph.GA2024
Connection between Non-Axisymmetric Structures and Neutral Gas Distribution in Disk Galaxies
Ze-Zhong Liang, Jing Wang, Hua Gao +2
Non-axisymmetric structures, such as bars and spiral arms, are known to concentrate molecular gas and star formation in galaxy centers, actively building up the pseudo-bulges. Howe…
astro-ph.GA2024
FEASTS Combined with Interferometry (II): Significantly Changed HI Surface Densities and Even More Inefficient Star Formation in Galaxy Outer Disks
Jing Wang, Xuchen Lin, Lister Staveley-Smith +12
We update the HI surface density measurements for a subset of 17 THINGS galaxies by dealing with the short-spacing problem of the original VLA HI images. It is the same sample that…
astro-ph.GA2024
FEASTS Combined with Interferometry (I): Overall Properties of Diffuse HI and Implications for Gas Accretion in Nearby Galaxies
Jing Wang, Xuchen Lin, Dong Yang +19
We present a statistical study of the properties of diffuse HI in ten nearby galaxies, comparing the HI detected by the single-dish telescope FAST (FEASTS program) and the interfer…