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  The GIST pipeline: A multi-purpose tool for the analysis and visualisation of (integral-field) spectroscopic data

Bittner, A., Falcón-Barroso, J., Nedelchev, B., Dorta, A., Gadotti, D. A., Sarzi, M., et al. (2019). The GIST pipeline: A multi-purpose tool for the analysis and visualisation of (integral-field) spectroscopic data. Astronomy and Astrophysics, 628: A117. doi:10.1051/0004-6361/201935829.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0004-CA0A-E Version Permalink: http://hdl.handle.net/21.11116/0000-0004-CA0B-D
Genre: Journal Article

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Bittner, A., Author
Falcón-Barroso, J., Author
Nedelchev, B., Author
Dorta, A., Author
Gadotti, D. A., Author
Sarzi, M., Author
Molaeinezhad, A., Author
Iodice, E., Author
Rosado-Belza, D., Author
de Lorenzo-Cáceres, A., Author
Fragkoudi, F.1, Author              
Anta, P. M. Galán-de, Author
Husemann, B., Author
Méndez-Abreu, J., Author
Neumann, J., Author
Pinna, F., Author
Querejeta, M., Author
Sánchez-Blázquez, P., Author
Seidel, M. K., Author
Affiliations:
1Computational Structure Formation, MPI for Astrophysics, Max Planck Society, ou_2205642              

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 Abstract: We present a convenient, all-in-one framework for the scientific analysis of fully reduced, (integral-field) spectroscopic data. The Galaxy IFU Spectroscopy Tool (GIST) is entirely written in Python 3 and conducts all the steps from the preparation of input data to the scientific analysis and to the production of publication-quality plots. In its basic set-up, it extracts stellar kinematics, performs an emission-line analysis, and derives stellar population properties from full spectral fitting and via the measurement of absorption line-strength indices by exploiting the well-known pPXF and GandALF routines, where the latter has now been implemented in Python. The pipeline is not specific to any instrument or analysis technique and provides easy means of modification and further development, thanks to its modular code architecture. An elaborate, Python-native parallelisation is implemented and tested on various machines. The software further features a dedicated visualisation routine with a sophisticated graphical user interface. This allows an easy, fully interactive plotting of all measurements, spectra, fits, and residuals, as well as star formation histories and the weight distribution of the models. The pipeline has been successfully applied to both low- and high-redshift data from MUSE, PPAK (CALIFA), and SINFONI, and to simulated data for HARMONI and WEAVE and is currently being used by the TIMER, Fornax3D, and PHANGS collaborations. We demonstrate its capabilities by applying it to MUSE TIMER observations of NGC 1433.

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 Dates: 2019-08-14
 Publication Status: Published online
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 Identifiers: DOI: 10.1051/0004-6361/201935829
Other: LOCALID: 3167758
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Title: Astronomy and Astrophysics
  Other : Astron. Astrophys.
Source Genre: Journal
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Publ. Info: France : EDP Sciences S A
Pages: - Volume / Issue: 628 Sequence Number: A117 Start / End Page: - Identifier: ISSN: 1432-0746
CoNE: https://pure.mpg.de/cone/journals/resource/954922828219_1