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pro vyhledávání: '"Ferreira, M. L."'
Akademický článek
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Akademický článek
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Autor:
Walsh, J. R., Monreal-Ibero, A., Barlow, M. J., Ueta, T., Wesson, R., Zijlstra, A. A., Kimeswenger, S., Leal-Ferreira, M. L., Otsuka, M.
Publikováno v:
A&A 620, A169 (2018)
The spatial structure of the emission lines and continuum over the 50 arcsecond extent of the nearby, O-rich, planetary nebula NGC 7009 (Saturn Nebula) have been observed with the MUSE integral field spectrograph on the ESO Very Large Telescope. Scie
Externí odkaz:
http://arxiv.org/abs/1810.03984
Autor:
Ferreira, M. L. C.
Publikováno v:
Biblioteca Digital de Teses e Dissertações da FEICentro Universitário da Fundação Educacional InacianaFEI.
Dissertação (Mestrado em Engenharia Elétrica) - Centro Universitário da FEI, São Bernardo do Campo, 2015
Autor:
Otsuka, Masaaki, Kemper, F., Leal-Ferreira, M. L., Aleman, I., Bernard-Salas, J., Cami, J., Ochsendorf, B., Peeters, E., Scicluna, P.
We performed a detailed spectroscopic analysis of the fullerene C60-containing planetary nebula (PN) Lin49 in the Small Magellanic Cloud using XSHOOTER at the ESO VLT and the Spitzer/IRS instruments. We derived nebular abundances for nine elements. W
Externí odkaz:
http://arxiv.org/abs/1607.00936
Autor:
Ramstedt, S., Mohamed, S., Vlemmings, W. H. T., Maercker, M., Montez, R., Baudry, A., De Beck, E., Lindqvist, M., Olofsson, H., Humphreys, E. M. L., Jorissen, A., Kerschbaum, F., Mayer, A., Wittkowski, M., Cox, N. L. J., Lagadec, E., Leal-Ferreira, M. L., Paladini, C., Pérez-Sánchez, A., Sacuto, S.
Publikováno v:
A&A 570, L14 (2014)
We have mapped the CO(3-2) line emission around the Mira AB system at 0.5 resolution using the Atacama Large Millimeter/submillimeter Array (ALMA). The CO map shows amazing complexity. The circumstellar gas has been shaped by different dynamical acto
Externí odkaz:
http://arxiv.org/abs/1410.1529
Optical integral-field spectroscopy was used to investigate the planetary nebula NGC 3242. We analysed the main morphological components of this source, including its knots, but not the halo. In addition to revealing the properties ofthe physical and
Externí odkaz:
http://arxiv.org/abs/1311.3201
We aim to detect the magnetic field and infer its properties around four AGB stars using H$_2$O maser observations. The sample we observed consists of the following sources: the semi-regular variable RT Vir and the Mira variables AP Lyn, IK Tau, and
Externí odkaz:
http://arxiv.org/abs/1304.6015
Autor:
Leal-Ferreira, M. L., Vlemmings, W. H. T., Diamond, P. J., Kemball, A., Amiri, N., Desmurs, J. -F.
Most of PNe are not spherical. The loss of spherical symmetry occurs somewhere between the AGB and PN phase. The cause of this change of morphology is not yet well known, but magnetic fields are one of the possible agents. Its origin remains to be de
Externí odkaz:
http://arxiv.org/abs/1201.3839
In this paper we present an analysis of the physical and chemical conditions of the planetary nebula NGC 40 through spatially-resolved spectroscopic maps. We also introduce a new algorithm --2D_NEB-- based on the well-established IRAF nebular package
Externí odkaz:
http://arxiv.org/abs/1009.5876