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Integrated data access, visualization and analysis for Galactic Plane surveys: the VIALACTEA case

Published online by Cambridge University Press:  30 May 2017

Sergio Molinari Open the ORCID record for Sergio Molinari [Opens in a new window] ,
Robert Butora ,
Stefano Cavuoti ,
Marco Molinaro ,
Giuseppe Riccio ,
Eva Sciacca ,
Fabio Vitello ,
Ugo Becciani ,
Massimo Brescia  and
Alessandro Costa
...Show all authors
Sergio Molinari
Affiliation:
INAF-Istituto di Astrofisica e Planetologia Spaziale, Via Fosso del Cavaliere 100, 00133 Roma, Italia email: molinari@iaps.inaf.it
Robert Butora
Affiliation:
INAF-Osservatorio di Trieste, Via G. Tiepolo 11, 34131 Trieste, Italia
Stefano Cavuoti
Affiliation:
INAF-Osservatorio di Capodimonte, Salita Moiarello 16, 80131 Napoli, Italia
Marco Molinaro
Affiliation:
INAF-Osservatorio di Trieste, Via G. Tiepolo 11, 34131 Trieste, Italia
Giuseppe Riccio
Affiliation:
INAF-Osservatorio di Capodimonte, Salita Moiarello 16, 80131 Napoli, Italia
Eva Sciacca
Affiliation:
INAF-Osservatorio Astrofisico di Catania, Via Santa Sofia 78, 90125 Catania, Italia
Fabio Vitello
Affiliation:
INAF-Osservatorio Astrofisico di Catania, Via Santa Sofia 78, 90125 Catania, Italia
Ugo Becciani
Affiliation:
INAF-Osservatorio di Trieste, Via G. Tiepolo 11, 34131 Trieste, Italia
Massimo Brescia
Affiliation:
INAF-Osservatorio Astrofisico di Catania, Via Santa Sofia 78, 90125 Catania, Italia
Alessandro Costa
Affiliation:
INAF-Osservatorio di Trieste, Via G. Tiepolo 11, 34131 Trieste, Italia
Riccardo Smareglia
Affiliation:
INAF-Osservatorio di Capodimonte, Salita Moiarello 16, 80131 Napoli, Italia
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Abstract

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The VIALACTEA project brings to a common forum the major new-generation surveys of the Milky Way Galactic Plane from 1μm to the radio, both in thermal continuum and in atomic and molecular lines, to attack in a systematic way the characterization of the Milky Way as a star formation engine. Images, catalogues, spectroscopic datacubes and radiative transfer models of the Spectral Energy Distributions (SEDs) of sites of star formation have been incorporated and indexed in the VIALACTEA Knowledge Base (VLKB). The VLKB consists of a combination of a relational database where the VIALACTEA data and metadata are homogenised and stored, and a filesystem-based stored information. This infrastructure allowed, among others, the generation of extensive catalogue for compact sources and extended structures in the Galactic Plane, the implementation of data-mining algorithms for the band-merging of multiwavelength data and expert systems for the automated analysis of molecular line surveys to extract critical kinematical information and derive distances using Galaxy rotation curves and new 3D extinction maps. A new VIALACTEA 3D Visual Analytics interface has been developed that provides integrated access and analysis of continuum and spectroscopic images together with catalogue data directly interfacing with the VLKB.

Keywords

stars: formationmethods: data analysisastronomical data bases: miscellaneous
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S325: Astroinformatics , October 2016 , pp. 291 - 298
Copyright
Copyright © International Astronomical Union 2017 

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