activity
19972009
most citedUnveiling the nature of INTEGRAL objects through optical spectroscopy. V. Identification and properties of 21 southern hard X-ray sources

140 citations · 479 across the 9 of their papers we have counts for

collaborators
Showing astro-ph.GAShow all

1 paper · 1 filter

astro-ph.GA2009

Spectral Classification of Galaxies using the Principal Component Analysis: a Web Based Tool

Mauricio Ortiz, Gaspar Galaz

We have developed a web tool to perform Principal Component Analysis (PCA, Murtagh & Heck 1987; Kendall 1980) onto spectral data. The method is especially designed to perform spect…