The spectral indexes distribution of a quasar sample is derived from a far-UV survey. A red average spectrum is found which comes in support of significant evolution of the QSO spectral energy distribution (SED) since z≈2.5.
@article{arxiv.astro-ph/9709103,
title = {UV observation of a quasar sample},
author = {S. Faïsse and B. Milliard},
journal= {arXiv preprint arXiv:astro-ph/9709103},
year = {2016}
}
Comments
2 pages, 1 Postscript figure, conf_iap.sty. To appear in 13th IAP Workshop (1-5 July 1997) "Evolution of the Intergalactic Medium from QSO Absorption Line Systems"