Testing the analytical blind separation method in simulated CMB polarization maps

Autor: Pengjie Zhang, Le Zhang, Jiming Chen, Jacques Delabrouille, Wen Zhao, Larissa Santos, Jian Yao, Shamik Ghosh, T. Villela

Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2021, 650, pp.A65. ⟨10.1051/0004-6361/201936546⟩
Astronomy and Astrophysics-A&A, 2021, 650, pp.A65. ⟨10.1051/0004-6361/201936546⟩

Context. Multi-frequency observations are needed to separate the cosmic microwave background (CMB) from foreground emission and accurately extract cosmological information from the data. The analytical blind separation (ABS) method is dedicated to ex

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4b244a9c317b608e9abbf086aecfceb
https://hal.archives-ouvertes.fr/hal-03178756

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Silver/Silver Chloride and Mercury/Mercurous Sulfate Standards Electrodes Confiability

Autor: A. Souza, H. Abdel-Rehim, T. Villela

Publikováno v: CORROSION. 60:342-345

The present work proposes a procedure for the metrological evaluation of reference electrodes. The procedure determines the potential, relative to the standard hydrogen electrodes, and the isothermal temperature coefficient for these electrodes. High

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::61d9441746ebc4786417ac2d3fe84134
https://doi.org/10.5006/1.3287740

Preflight tests of the MASCO telescope

Autor: E. Rinke, E. R. Silva, Flavio D'Amico, Jorge Mejia, A. Alves, T. Villela, R. Corrêa, João Braga, J. O. Fernandes

Publikováno v: Advances in Space Research. 26:1411-1414

We present some of the preflight tests carried out with the MASCO balloon-borne imaging gamma ray experiment in order to test the detector system and associated electronics employed by the telescope. The detector system is composed by a 41 cm-diamete

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e51251e89f567a7de555033c16e64e9d
https://doi.org/10.1016/s0273-1177(00)00070-3

The CCD stellar sensor of the MASCO telescope pointing system

Autor: João Braga, Jorge Mejia, T. Villela

Publikováno v: Advances in Space Research. 26:1407-1410

We describe the development of a CCD stellar sensor capable of determining the pointing coordinates with an error smaller than 0.5’. This instrument is part of the attitude control system of the balloon-borne y-ray MAX0 (acronym in Portuguese for c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8748e331c16611b6a27aa8c0941872b
https://doi.org/10.1016/s0273-1177(00)00069-7