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O Square Kilometre Array (SKA) é um projeto de ciência e engenharia que pretende construir o maio... more O Square Kilometre Array (SKA) é um projeto de ciência e engenharia que pretende construir o maior radiotelescópio do mundo e que só é possível graças ao esforço de muitos para a sua construção. Trata-se de um radiotelescópio com um quilómetro quadrado, ou seja, um milhão de metros quadrados (1.000.000 m2) sendo que este projecto representa um grande avanço ao nível da tecnologia e da investigação, e, sem dúvida promove o desenvolvimento. Implica a construção de um instrumento único, que necessitou de uma concetualização detalhada e um período de preparação, que está neste momento a decorrer.

Papers by Domingos Barbosa

research@ ua, Sep 22, 2011

domingos barbosa1, miguel bergano2, claudia camacho1, paulo andré3, rogério nogueira1, 4, paulo m... more domingos barbosa1, miguel bergano2, claudia camacho1, paulo andré3, rogério nogueira1, 4, paulo monteiro2, 4, rui aguiar2 1 instituto de telecommunicações (IT) 2 department of electronics, telecommunications and informatics & instituto de telecommunicações (IT), university of aveiro 3 department of physics & instituto de telecommunicações (IT), university of aveiro 4 nokia siemens networks portugal, SA with applications in space sciences. The sensors will be distributed along an ultra-fast fiber optics network with a debit of several ...

Technological improvements in observational techniques promises a bright future for Sunyaev-Zel&#... more Technological improvements in observational techniques promises a bright future for Sunyaev-Zel'dovich cluster of galaxies blind surveys. This kind of surveys (by opposition to pointed surveys of selected objects) has the potential to build SZ luminosity functions and their evolution and to trace the redshift distribution of SZ sources. The late one can be used as a good ``Omega_0''-tester.

We discuss the status of the MAXIMA and MAXIPOL cosmic microwave background balloon-borne experim... more We discuss the status of the MAXIMA and MAXIPOL cosmic microwave background balloon-borne experiments. The MAXIMA and MAXIPOL instruments consist of a 1.3 m off-axis Gregorian telescope and a receiver housing a 16 element array of 100 mK bolometers. Observations are made in 3 frequency bands centered on 150, 240, and 410 GHz. We recently released temperature anisotropy power spectrum

We discuss the status of the data obtained from the first two flights of the MAXIMA balloon-borne... more We discuss the status of the data obtained from the first two flights of the MAXIMA balloon-borne experiment. MAXIMA is sensitive to CMB fluctuations on angular scales from 10 arcmin to 5 degrees. The instrument uses a 16 element bolometric array with 3 frequency bands centered at 150, 240, and 410 GHz. An angular power spectrum of the CMB anisotropy

We show in this paper the goals of the Galactic Emission Mapping (GEM) project at Portugal. This ... more We show in this paper the goals of the Galactic Emission Mapping (GEM) project at Portugal. This project aims to map the North Hemisphere low frequency polarized foreground contaminants of the Cosmic Microwave Background in the frequency range 5-10GHz. The resulting ...

O Square Kilometre Array (SKA) é um projeto de ciência e engenharia que pretende construir o maio... more O Square Kilometre Array (SKA) é um projeto de ciência e engenharia que pretende construir o maior radiotelescópio do mundo e que só é possível graças ao esforço de muitos para a sua construção. Trata-se de um radiotelescópio com um quilómetro quadrado, ou seja, um milhão de metros quadrados (1.000.000 m2) sendo que este projecto representa um grande avanço ao nível da tecnologia e da investigação, e, sem dúvida promove o desenvolvimento. Implica a construção de um instrumento único, que necessitou de uma concetualização detalhada e um período de preparação, que está neste momento a decorrer.

research@ ua, Sep 22, 2011

domingos barbosa1, miguel bergano2, claudia camacho1, paulo andré3, rogério nogueira1, 4, paulo m... more domingos barbosa1, miguel bergano2, claudia camacho1, paulo andré3, rogério nogueira1, 4, paulo monteiro2, 4, rui aguiar2 1 instituto de telecommunicações (IT) 2 department of electronics, telecommunications and informatics & instituto de telecommunicações (IT), university of aveiro 3 department of physics & instituto de telecommunicações (IT), university of aveiro 4 nokia siemens networks portugal, SA with applications in space sciences. The sensors will be distributed along an ultra-fast fiber optics network with a debit of several ...

Technological improvements in observational techniques promises a bright future for Sunyaev-Zel&#... more Technological improvements in observational techniques promises a bright future for Sunyaev-Zel'dovich cluster of galaxies blind surveys. This kind of surveys (by opposition to pointed surveys of selected objects) has the potential to build SZ luminosity functions and their evolution and to trace the redshift distribution of SZ sources. The late one can be used as a good ``Omega_0''-tester.

We discuss the status of the MAXIMA and MAXIPOL cosmic microwave background balloon-borne experim... more We discuss the status of the MAXIMA and MAXIPOL cosmic microwave background balloon-borne experiments. The MAXIMA and MAXIPOL instruments consist of a 1.3 m off-axis Gregorian telescope and a receiver housing a 16 element array of 100 mK bolometers. Observations are made in 3 frequency bands centered on 150, 240, and 410 GHz. We recently released temperature anisotropy power spectrum

We discuss the status of the data obtained from the first two flights of the MAXIMA balloon-borne... more We discuss the status of the data obtained from the first two flights of the MAXIMA balloon-borne experiment. MAXIMA is sensitive to CMB fluctuations on angular scales from 10 arcmin to 5 degrees. The instrument uses a 16 element bolometric array with 3 frequency bands centered at 150, 240, and 410 GHz. An angular power spectrum of the CMB anisotropy

We show in this paper the goals of the Galactic Emission Mapping (GEM) project at Portugal. This ... more We show in this paper the goals of the Galactic Emission Mapping (GEM) project at Portugal. This project aims to map the North Hemisphere low frequency polarized foreground contaminants of the Cosmic Microwave Background in the frequency range 5-10GHz. The resulting ...