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astro-ph.CO2011★ 10 cited
High-ion absorption in the proximate damped Lyman-alpha system toward Q0841+129
Andrew J. Fox, Cédric Ledoux, Patrick Petitjean +2
We present VLT/UVES spectroscopy of the quasar Q0841+129, whose spectrum shows a proximate damped Lyman-alpha (PDLA) absorber at z=2.47621 and a proximate sub-DLA at z=2.50620, bot…
astro-ph.CO2011★ 31 cited
A Lyα blob and zabs {\approx} zem damped Lyα absorber in the dark matter halo of the binary quasar Q 0151+048
Tayyaba Zafar, Palle Møller, Cédric Ledoux +7
Q0151+048 is a physical QSO pair at z ~ 1.929 with a separation of 3.3 arcsec on the sky. In the spectrum of Q0151+048A (qA), a DLA is observed at a higher redshift. We have previo…