The SDSS LLS Stacked Spectrum

Below is a view of the stacked, rest-frame spectrum of the LLS discovered in our survey of the SDSS-DR7. Salient features are noted in the figure. This file is a multi-extension FITS file of the stacked spectrum [0: Flux, 1: Dummy error array, 2: Wavelength array].

This research is supported by grants from the National Science Foundation (AST 03-07824 and AST 05-48180) and NASA (HST-GO-10878.05-A).
e-mail: xavier at
modified 11/22/09