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The quenched mass portion of star-forming galaxies and the origin of the star formation sequence slope
Zhizheng Pan, Xian Zhong Zheng, Xu Kong
Observationally, a massive disk galaxy can harbor a bulge component that is comparably inactive as a quiescent galaxy (QG). It has been speculated that the quenched component conta…
How accurate are infrared luminosities from monochromatic photometric extrapolation?
Zesen Lin, Guanwen Fang, Xu Kong
Template-based extrapolations from only one photometric band can be a cost-effective method to estimate the total infrared (IR) luminosities () of galaxies. By uti…
The quenching time scale and quenching rate of galaxies
Jianhui Lian, Renbin Yan, Kai Zhang +1
The average star formation rate (SFR) in galaxies has been declining since redshift of 2. A fraction of galaxies quench and become quiescent. We constrain two key properties of the…
Compact star forming galaxies as the progenitors of compact quiescent galaxies: clustering result
Xiaozhi Lin, Lulu Fan, Xu Kong +1
We present a measurement of the spatial clustering of massive compact galaxies at in CANDELS/3D-HST fields. We obtain the correlation length for compact quiescent…
Spatially-resolved NUV-r color of local star-forming galaxies and clues for quenching
Zhizheng Pan, Xianzhong Zheng, Weipeng Lin +4
Using a sample of ~6,000 local face-on star-forming galaxies (SFGs), we examine the correlations between the NUV-r colors both inside and outside the half-light radius, stellar mas…
The metallicity evolution of blue compact dwarf galaxies from the intermediate redshift to the local Universe
Jianhui Lian, Ning Hu, Guanwen Fang +2
We present oxygen abundance measurements for 74 blue compact dwarf (BCD) galaxies in the redshift range in [0.2, 0.5] using the strong-line method. The spectra of these objects are…