Metrewave Radio Telescope Survey Using Mg II Systems


We present the results of a systematic Giant Metrewave Radio Telescope (GMRT) survey of 21-cm absorption in a representative and unbiased sample of 35 strong Mg ii systems in the redshift range: zabs∼1.10−1.45, 33 of which have Wr ≥1 Å. The survey using ∼400hrs of telescope time has resulted in 9 new 21-cm detections and stringent 21-cm optical depth upper… (More)


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