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Your search keyword '"Noël, Noelia E. D."' showing total 2 results
Start Over Author "Noël, Noelia E. D." Publisher oxford university press
2 results on '"Noël, Noelia E. D."'

1. The intrinsic reddening of the Magellanic Clouds as traced by background galaxies - II. The Small Magellanic Cloud

Author

European Research Council, National Science Foundation (US), Ministerio de Ciencia, Innovación y Universidades (España), European Commission, Comisión Nacional de Investigación Científica y Tecnológica (Chile), Science and Technology Facilities Council (UK), Bell, Cameron P. M., Cioni, Maria-Rosa L., Wright, Angus H., Rubele, Stefano, Nidever, David L., Tatton, Ben L., van Loon, Jacco Th, Zaritsky, Dennis, Choi, Yumi, Choudhury, Samyaday, Clementini, Gisella, de Grijs, Richard, Ivanov, Valentin D., Majewski, Steven R., Marconi, Marcella, Martínez-Delgado, David, Massana, Pol, Muñoz, Ricardo R., Niederhofer, Florian, Noël, Noelia E. D., Oliveira, Joana M., Olsen, Knut, Pennock, Clara M., Ripepi, V., Subramanian, Smitha, Vivas, A. Katherina, European Research Council, National Science Foundation (US), Ministerio de Ciencia, Innovación y Universidades (España), European Commission, Comisión Nacional de Investigación Científica y Tecnológica (Chile), Science and Technology Facilities Council (UK), Bell, Cameron P. M., Cioni, Maria-Rosa L., Wright, Angus H., Rubele, Stefano, Nidever, David L., Tatton, Ben L., van Loon, Jacco Th, Zaritsky, Dennis, Choi, Yumi, Choudhury, Samyaday, Clementini, Gisella, de Grijs, Richard, Ivanov, Valentin D., Majewski, Steven R., Marconi, Marcella, Martínez-Delgado, David, Massana, Pol, Muñoz, Ricardo R., Niederhofer, Florian, Noël, Noelia E. D., Oliveira, Joana M., Olsen, Knut, Pennock, Clara M., Ripepi, V., Subramanian, Smitha, and Vivas, A. Katherina

Abstract

We present a map of the total intrinsic reddening across similar or equal to 34 deg(2) of the Small Magellanic Cloud (SMC) derived using optical (ugriz) and near-infrared (IR; YJK(s)) spectral energy distributions (SEDs) of background galaxies. The reddening map is created using a subsample of 29 274 galaxies with low levels of intrinsic reddening based on the LEPHARE chi(2) minimization SED-fitting routine. We find statistically significant enhanced levels of reddening associated with the main body of the SMC compared with regions in the outskirts [Delta E(B - V) similar or equal to 0.3 mag]. A comparison with literature reddening maps of the SMC shows that, after correcting for differences in the volume of the SMC sampled, there is good agreement between our results and maps created using young stars. In contrast, we find significant discrepancies between our results and maps created using old stars or based on longer wavelength far-IR dust emission that could stem from biased samples in the former and uncertainties in the far-IR emissivity and the optical properties of the dust grains in the latter. This study represents one of the first large-scale categorizations of extragalactic sources behind the SMC and as such we provide the LEPHARE outputs for our full sample of similar to 500 000 sources. © 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Published
2020

2. SMASHing the low surface brightness SMC

Author

National Science Foundation (US), Fondo Nacional de Desarrollo Científico y Tecnológico (Chile), Max Planck Society, Agence Nationale de la Recherche (France), European Research Council, Ministerio de Ciencia, Innovación y Universidades (España), European Commission, Science and Technology Facilities Council (UK), Massana, Pol, Noël, Noelia E. D., Nidever, David L., Erkal, Denis, de Boer, Thomas J. L., Choi, Yumi, Majewski, Steven R., Olsen, Knut, Monachesi, Antonela, Gallart, Carme, van der Marel, Roeland P., Ruiz-Lara, Tomás, Zaritsky, Dennis, Martin, Nicolas F., Muñoz, Ricardo R., Cioni, Maria-Rosa L., Bell, Cameron P. M., Bell, Eric F., Stringfellow, Guy S., Belokurov, Vasily, Monelli, Matteo, Walker, Alistair R., Martínez-Delgado, David, Vivas, A. Katherina, Conn, Blair C., National Science Foundation (US), Fondo Nacional de Desarrollo Científico y Tecnológico (Chile), Max Planck Society, Agence Nationale de la Recherche (France), European Research Council, Ministerio de Ciencia, Innovación y Universidades (España), European Commission, Science and Technology Facilities Council (UK), Massana, Pol, Noël, Noelia E. D., Nidever, David L., Erkal, Denis, de Boer, Thomas J. L., Choi, Yumi, Majewski, Steven R., Olsen, Knut, Monachesi, Antonela, Gallart, Carme, van der Marel, Roeland P., Ruiz-Lara, Tomás, Zaritsky, Dennis, Martin, Nicolas F., Muñoz, Ricardo R., Cioni, Maria-Rosa L., Bell, Cameron P. M., Bell, Eric F., Stringfellow, Guy S., Belokurov, Vasily, Monelli, Matteo, Walker, Alistair R., Martínez-Delgado, David, Vivas, A. Katherina, and Conn, Blair C.

Abstract

The periphery of the Small Magellanic Cloud (SMC) can unlock important information regarding galaxy formation and evolution in interacting systems. Here, we present a detailed study of the extended stellar structure of the SMC using deep colour-magnitude diagrams, obtained as part of the Survey of the MAgellanic Stellar History (SMASH). Special care was taken in the decontamination of our data from Milky Way (MW) foreground stars, including from foreground globular clusters NGC 362 and 47 Tuc. We derived the SMC surface brightness using a `conservative' approach from which we calculated the general parameters of the SMC, finding a staggered surface brightness profile. We also traced the fainter outskirts by constructing a stellar density profile. This approach, based on stellar counts of the oldest main-sequence turn-off stars, uncovered a tidally disrupted stellar feature that reaches as far out as 12 deg from the SMC centre. We also serendipitously found a faint feature of unknown origin located at similar to 14 deg from the centre of the SMC and that we tentatively associated with a more distant structure. We compared our results to in-house simulations of a 1 x 10(9) M-circle dot SMC, finding that its elliptical shape can be explained by its tidal disruption under the combined presence of the MW and the Large Magellanic Cloud. Finally, we found that the older stellar populations show a smooth profile while the younger component presents a jump in the density followed by a flat profile, confirming the heavily disturbed nature of the SMC. © 2020 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Published
2020

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