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ALMaQUEST -- IV. The ALMA-MaNGA QUEnching and STar formation (ALMaQUEST) Survey
Lihwai Lin, Sara L. Ellison, Hsi-An Pan +20
The ALMaQUEST (ALMA-MaNGA QUEnching and STar formation) survey is a program with spatially-resolved CO(1-0) measurements obtained with the Atacama Large Millimeter Array (AL…
CO observations toward HI-rich Ultra Diffuse Galaxies
Junzhi Wang, Kai Yang, Zhi-Yu Zhang +5
We present CO observations toward a sample of six HI-rich Ultra-diffuse galaxies (UDGs) as well as one UDG (VLSB-A) in the Virgo Cluster with the IRAM 30-m telescope. CO 1-0 is mar…
Host Galaxy Properties of Changing-look AGN Revealed in the MaNGA Survey
Xiaoling Yu, Yong Shi, Yanmei Chen +6
Changing-look Active Galactic Nuclei (CL-AGNs) are a subset of AGNs in which the broad Balmer emission lines appear or disappear within a few years. We use the Mapping Nearby Galax…
Towards an Understanding of the Massive Red Spiral Galaxy Formation
Rui Guo, Cai-Na Hao, Xiaoyang Xia +4
To understand the formation and quenching processes of local massive red spiral galaxies with , we perform a statistical analysis of their spectrosco…
Weak CS Emission in an Extremely Metal-poor Galaxy DDO 70
Kaiyi Du, Yong Shi, Zhi-Yu Zhang +2
In most galaxies like the Milky Way, stars form in clouds of molecular gas. Unlike the CO emission that traces the bulk of molecular gas, the rotational transitions of HCN and CS m…
The MALATANG Survey: Dense Gas and Star Formation from High Transition HCN and HCO+ maps of NGC253
Xue-Jian Jiang, Thomas R. Greve, Yu Gao +26
To study the high-transition dense-gas tracers and their relationships to the star formation of the inner 2 kpc circumnuclear region of NGC253, we present HCN and HC…