3 papers
astro-ph.GA2026
Why Are Some Optically Red Spirals NUV-r Blue?
Rui Guo, Cai-Na Hao, Xiaoyang Xia +2
To understand the complicated formation processes of disk galaxies, we carry out a comparative study for NUV-r blue and red spiral galaxies drawn from a parent sample of u-r red sp…
astro-ph.GA2025
The impact of external gas accretion on the distribution of HI gas in galaxies
Qianhan Zhang, Min Bao, Yanmei Chen +3
Using the data from Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) and HI-MaNGA surveys, we build a sample of 37 gas-star misaligned galaxies with robust HI detections…
astro-ph.GA2025
Misaligned external gas acquisition boosts central black hole activities
Yuren Zhou, Yanmei Chen, Yong Shi +6
One important question in active galactic nucleus (AGN) is how gas is brought down to the galaxy center. Both internal secular evolution (torque induced by non-axisymmetric galacti…