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19982023
most citedThe Nuclear Spectroscopic Telescope Array (NuSTAR) Mission

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astro-ph1998★ 168 cited

The Population of Weak Mg II Absorbers I. A Survey of 26 QSO HIRES/Keck Spectra

Christopher W. Churchill, Jane R. Rigby, Jane C. Charlton +1

We present a search for "weak" MgII absorbers [those with W_r(2796) < 0.3 A in the HIRES/Keck spectra of 26 QSOs. We found 30, of which 23 are newly discovered. The spectra are 80%…