5 papers · 1 filter
What is the True HI Gas Content in Massive Quiescent Galaxies in the Local Universe?
Xiao Li, Cheng Li, Cheng Cheng +3
While massive quiescent galaxies are known to be poor in atomic hydrogen (HI), their true HI content remains poorly constrained due to the limited sensitivity and morphological bia…
Radial Profiles of Binary Fraction in Elliptical Galaxies
Xiejin Li, Fenghui Zhang, Yinghe Zhao +4
The radial profile of binary fraction may vary with environment and is of significant importance for studying the formation mechanisms of binary stars and their dynamical evolution…
What drives the HI content of central galaxies -- A comparison between hydrodynamic simulations and observations using Random Forest
Xiao Li, Cheng Li, Houjun Mo
We investigate the driving mechanisms for the HI gas content in star-forming central galaxies at low redshift, by examining the HI-to-stelalr mass ratio () in bo…
On the Origin of Quenched but Gas-rich Regions at Kiloparsec Scales in Nearby Galaxies
Tao Jing, Cheng Li
We use resolved spectroscopy from MaNGA to investigate the significance of both local and global properties of galaxies to the cessation of star formation at kpc scales. Quenched r…
On the existence, rareness and uniqueness of quenched HI-rich galaxies in the local Universe
Xiao Li, Cheng Li, H. J. Mo +3
Using data from ALFALFA, xGASS, HI-MaNGA and the Sloan Digital Sky Survey (SDSS), we identify a sample of 47 "red but HI-rich"(RR) galaxies with and unusually high HI-t…