@article{10902/28128,
year = {2010},
url = {https://hdl.handle.net/10902/28128},
abstract = {In this work, we deal with the problem of simultaneous multifrequency detection of extragalactic point sources in maps of the cosmic microwave background. We developed a linear filtering technique that takes into account the spatial and the cross-power spectrum information at the same time. By using realistic simulations, we compared this technique with the monofrequency matched filter in terms of completeness, reliability, flux and spectral index accuracy. The multifrequency method outperforms the matched filter in all the studied cases in this work.},
organization = {The authors acknowledge partial financial support from the Spanish Ministry of Education (MEC) under project ESP2004-07067-C03-01 and the joint CNR-CSIC research projects 2006-IT-0037 and 2008IT0059. LFL acknowledges the Spanish CSIC for a JAE-Predoc fellowship and the hospitality of the Osservatorio Astronomico di Padova (INAF) during a research stay. Partial financial support for this research has been provided to JLS by the Spanish MEC and to JG-N by the Italian ASI (contracts Planck LFI Activity of Phase E2 and I/016/07/0 COFIS) and MUR. JG-N also acknowledges a researcher position grant at the SISSA (Trieste). ML-C acknowledges a post-doctoral fellowship from EGEE-III (FP7 INFSO-RI 222667). The authors are grateful to Raquel Fraga Encinas for reading carefully this paper and her style and grammatical suggestions and acknowledge the use of the PSM, developed by the Component Separation Working Group (WG2) of the Planck Collaboration.},
publisher = {Oxford University Press},
publisher = {Monthly Notices of the Royal Astronomical Society, 2010, 403(4), 2120-2130},
title = {A multifrequency method based on the matched multifilter for the detection of point sources in CMB maps},
author = {Lanz Oca, Luis Fernando and Herranz Muñoz, Diego and Sanz Estévez, José Luis and González-Nuevo, J. and López-Caniego Alcarria, Marcos},
}