Emergences of C IV narrow absorption troughs in the quasar SDSS J095254.10+021932.8

Zhi-Fu Chen, Mu-Sheng Li, Wei-Rong Huang +2

In this paper, we report on two C IV narrow absorption systems emerging from the spectrum of the quasar SDSS J095254.10 +021932.8, which are located at $z_{\mathrm{abs}}=2.0053$ and $z_…