357 citations · 789 across the 17 of their papers we have counts for
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astro-ph.GA2021★ 28 cited
Correlation between the gas-phase metallicity and ionization parameter in extragalactic HII regions
Xihan Ji, Renbin Yan
The variations of the metallicity and ionization parameter in HII regions are usually thought to be the dominant factors that produce the variations we see in the observed emission…
astro-ph.GA2021★ 5 cited
SDSS-IV MaNGA: the physical origin of off-galaxy H blobs in the local Universe
Xihan Ji, Cheng Li, Renbin Yan +9
H blobs are off-galaxy emission-line regions with weak or no optical counterparts. They are mostly visible in H line, appearing as concentrated blobs. Such unusual objects ha…