Abstract:
In this work we present a set of synthetic observations that mimic the properties of the integral field spectroscopy (IFS) survey Calar Alto Legacy Integral-Field Area (CALIFA), generated using radiative transfer techniques applied to hydrodynamical simulations of galaxies in a cosmological context. The simulated spatially-resolved spectra include stellar and nebular emission, kinematic broadening of the lines, and dust extinction and scattering. The results of the radiative transfer simulations have been post-processed to reproduce the main properties of the CALIFA V500 and V1200 observational setups. The data has been further formatted to mimic the CALIFA survey in terms of field-of-view size, spectral range and sampling. We have included the effect of the spatial and spectral point spread functions affecting CALIFA observations, and added detector noise after characterizing it on a sample of 367 galaxies. The simulated data cubes are suited to be analysed by the same algorithms used on real IFS data. In order to provide a benchmark to compare the results obtained applying IFS observational techniques to our synthetic data cubes and test the calibration and accuracy of the analysis tools, we have computed the spatially-resolved properties of the simulations. Hence, we provide maps derived directly from the hydrodynamical snapshots or the noiseless spectra, in a way that is consistent with the values recovered by the observational analysis algorithms. Both the synthetic observations and the product data cubes are public and can be found in the collaboration website http://astro.ft.uam.es/selgifs/data challenge/. © 2018 The Author(s). Published by Oxford University Press on behalf of The Royal Astronomical Society.
Registro:
Documento: |
Artículo
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Título: | The SELGIFS data challenge: Generating synthetic observations of CALIFA galaxies from hydrodynamical simulations |
Autor: | Guidi, G.; Casado, J.; Ascasibar, Y.; García-Benito, R.; Galbany, L.; Sánchez-Blázquez, P.; Sánchez, S.F.; Rosales-Ortega, F.F.; Scannapieco, C. |
Filiación: | Leibniz-Institut für Astrophysik Potsdam (AIP), Potsdam, D-14482, Germany Universidad Autónoma de Madrid, Madrid, E-28049, Spain Astro-UAM, Universidad Autonoma de Madrid, Department of theoretical physics, Unidad Asociada CSIC, Spain Instituto de Astrofísica de Andalucía (IAA/CSIC), Granada, E-18080, Spain PITT PACC, Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, PA 15260, United States Instituto de Astrofísica, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna 4860, Macul, Santiago, 7820436, Chile Instituto de Astronomía, Universidad Nacional Autónoma de México, A.P. 70-26404519, Mexico Instituto Nacional de Astrofísica, Óptica y Electrónica (INAOE), Tonantzintla, Puebla, 72840, Mexico Departamento de Física, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón I, Buenos Aires, 1428, Argentina
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Palabras clave: | Galaxies: evolution; Galaxies: formation; Hydrodynamics; Methods: numerical; Radiative transfer; Techniques: imaging spectroscopy |
Año: | 2018
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Volumen: | 479
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Número: | 1
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Página de inicio: | 917
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Página de fin: | 931
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DOI: |
http://dx.doi.org/10.1093/mnras/sty1480 |
Título revista: | Monthly Notices of the Royal Astronomical Society
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Título revista abreviado: | Mon. Not. R. Astron. Soc.
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ISSN: | 00358711
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CODEN: | MNRAA
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00358711_v479_n1_p917_Guidi |
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Citas:
---------- APA ----------
Guidi, G., Casado, J., Ascasibar, Y., García-Benito, R., Galbany, L., Sánchez-Blázquez, P., Sánchez, S.F.,..., Scannapieco, C.
(2018)
. The SELGIFS data challenge: Generating synthetic observations of CALIFA galaxies from hydrodynamical simulations. Monthly Notices of the Royal Astronomical Society, 479(1), 917-931.
http://dx.doi.org/10.1093/mnras/sty1480---------- CHICAGO ----------
Guidi, G., Casado, J., Ascasibar, Y., García-Benito, R., Galbany, L., Sánchez-Blázquez, P., et al.
"The SELGIFS data challenge: Generating synthetic observations of CALIFA galaxies from hydrodynamical simulations"
. Monthly Notices of the Royal Astronomical Society 479, no. 1
(2018) : 917-931.
http://dx.doi.org/10.1093/mnras/sty1480---------- MLA ----------
Guidi, G., Casado, J., Ascasibar, Y., García-Benito, R., Galbany, L., Sánchez-Blázquez, P., et al.
"The SELGIFS data challenge: Generating synthetic observations of CALIFA galaxies from hydrodynamical simulations"
. Monthly Notices of the Royal Astronomical Society, vol. 479, no. 1, 2018, pp. 917-931.
http://dx.doi.org/10.1093/mnras/sty1480---------- VANCOUVER ----------
Guidi, G., Casado, J., Ascasibar, Y., García-Benito, R., Galbany, L., Sánchez-Blázquez, P., et al. The SELGIFS data challenge: Generating synthetic observations of CALIFA galaxies from hydrodynamical simulations. Mon. Not. R. Astron. Soc. 2018;479(1):917-931.
http://dx.doi.org/10.1093/mnras/sty1480