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Multiple gas acquisition events in galaxies with dual misaligned gas disks
Xiao Cao, Yan-Mei Chen, Yong Shi +8
Frequent accretion of external cold gas is thought to play an important role in galaxy assembly. However, almost all known kinematically misaligned galaxies identify only one gas d…
Sub-percentage measure of distances to redshift of 0.1 by a new cosmic ruler
Yong Shi, Yanmei Chen, Shude Mao +4
Distance-redshift diagrams probe expansion history of the Universe. We show that the stellar mass-binding energy (massE) relation of galaxies proposed in our previous study offers…
SDSS IV MaNGA -- Star-Formation Driven Biconical Outflows in Face-On Galaxies
Dmitry Bizyaev, Yan-Mei Chen, Yong Shi +4
We find 132 face-on and low inclination galaxies with central star formation driven biconical gas outflows (FSFB) in the SDSS MaNGA (Mapping Nearby Galaxies at APO) survey. The FSF…
HI content of massive red spiral galaxies observed by FAST
Lan Wang, Zheng Zheng, Cai-Na Hao +9
A sample of 279 massive red spirals was selected optically by Guo et al. (2020), among which 166 galaxies have been observed by the ALFALFA survey. In this work, we observe HI cont…
SDSS IV MaNGA -- Gas Rotation Velocity lags in the Final Sample of MaNGA Galaxies
Dmitry Bizyaev, Rene A. M. Walterbos, Yan-Mei Chen +4
We consider the largest sample of 561 edge-on galaxies observed with integral field units by the MaNGA survey and find 300 galaxies where the ionised gas shows a negative vertical…
SDSS-IV MaNGA: Global Properties of Kinematically Misaligned Galaxies
Yuren Zhou, Yanmei Chen, Yong Shi +6
We select 456 gas-star kinematically misaligned galaxies from the internal Product Launch-10 of MaNGA survey, including 74 star-forming (SF), 136 green-valley (GV) and 206 quiescen…