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Use of CharDM in an
archive of velocity cubes!
                  !
       Data Modelling Session!
                    !

              Jose Enrique Ruiz!
                   IAA-CSIC!
                          !
                October 20th 2011!
       2011 IVOA Fall Interop Meeting - Pune!


                                                1
Who am I ?!

Instituto Astrofísica de Andalucia - CSIC!




                                                       2
AMIGA Group!

Analysis of the interstellar Medium of Isolated Galaxies!
!
           Statistical baseline of isolated galaxies to compare!
    !
        with the behaviour of galaxies in denser environments!

                    Multi   study of ~1000 galaxies!
                                +!
         Need of intensive and complex analysis of 3D data!
                      2D spatial + 1 Velocity!

                                                           IAA-CSIC!
                    Uuiv . Granada, Obs. Marseille, Obs. Paris, NAOJ, !
                     FCRAO, UNAM, Univ. Edinburgh, IRAM, ESO,!
                                    Kapteyn Astronomical Institute.!
                                                                       !
                                     P.I. Lourdes Verdes-Montenegro!
                                                  http://amiga.iaa.es!
                                                                           3
B0DEGA Project!

B0DEGA Below 0 DEgrees GAlaxies!
!

    Molecular gas properties of a survey of nearby galaxies.!

    30 processed and reduced datacubes of galaxies!
                           !
                                                                            !
                                                        P.I. : D. Espada!
           Legacy project of Submillimiter Array interferometer (SMA)!
                                                   http://b0dega.iaa.es!
                                                                            !
                                                         IAA-CSIC!
                  CfA (Harvard-Smithsonian Center for Astrophysics)!
    ASIAA (Institute of Academia Sinica Astronomy and Astrophysics) !
                                                                     !

                                                                                4
Velocity Cubes!




M. Krips – ESO 3D2008 Workshop – Garching!
                                                     5
B0DEGA VO Web Interface!


Mapping SIA & SSA Input parameters with DataModels




                    Need search in “velocity range”

                                                      6

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Use of CharDM in an archive of velocity cubes

  • 1. Use of CharDM in an archive of velocity cubes! ! Data Modelling Session! ! Jose Enrique Ruiz! IAA-CSIC! ! October 20th 2011! 2011 IVOA Fall Interop Meeting - Pune! 1
  • 2. Who am I ?! Instituto Astrofísica de Andalucia - CSIC! 2
  • 3. AMIGA Group! Analysis of the interstellar Medium of Isolated Galaxies! ! Statistical baseline of isolated galaxies to compare! ! with the behaviour of galaxies in denser environments! Multi study of ~1000 galaxies! +! Need of intensive and complex analysis of 3D data! 2D spatial + 1 Velocity! IAA-CSIC! Uuiv . Granada, Obs. Marseille, Obs. Paris, NAOJ, ! FCRAO, UNAM, Univ. Edinburgh, IRAM, ESO,! Kapteyn Astronomical Institute.! ! P.I. Lourdes Verdes-Montenegro! http://amiga.iaa.es! 3
  • 4. B0DEGA Project! B0DEGA Below 0 DEgrees GAlaxies! ! Molecular gas properties of a survey of nearby galaxies.! 30 processed and reduced datacubes of galaxies! ! ! P.I. : D. Espada! Legacy project of Submillimiter Array interferometer (SMA)! http://b0dega.iaa.es! ! IAA-CSIC! CfA (Harvard-Smithsonian Center for Astrophysics)! ASIAA (Institute of Academia Sinica Astronomy and Astrophysics) ! ! 4
  • 5. Velocity Cubes! M. Krips – ESO 3D2008 Workshop – Garching! 5
  • 6. B0DEGA VO Web Interface! Mapping SIA & SSA Input parameters with DataModels Need search in “velocity range” 6
  • 7. B0DEGA VO Web Interface! Characterization! List of properties describing the datasets! ! •  Observable axis not needed in a first time! •  Redshift as derived property! •  Dataset Type as a target property! 7
  • 8. Information from FITS Headers! ! Char! .SpatialAxis! .VelocityAxis! .Coverage! .Location! " .Bounds! Char! .FluxAxis! .Resolution! ! .Coverage! " .Support! ! DATAMIN<0 8
  • 9. B0DEGA VO Web Interface! 9
  • 10. B0DEGA VO Web Interface! Data needed by the Astronomer! ! •  Decoupled coordinates! •  Distances! •  Morphological Type! •  Bar ! •  Ring! •  Multiple! •  Linear diameter! •  Masses! •  Luminosities! •  Inclination! •  Position Angle! 10
  • 11. Fitting to CharDM! Array of velocities needed for generation of virtual channel maps Not regular sampling ? 11
  • 12. Derived datasets from velocity cubes! Channel Map Char.VelocityAxis.Coverage.Support ! Array of values 12
  • 13. Derived datasets from velocity cubes! Integrated Flux! Map Char.VelocityAxis.Coverage.Bounds.Extent! 13
  • 14. Derived datasets from velocity cubes! Velocity Map Char.VelocityAxis.Coverage.Bounds.Extent! 14
  • 15. Derived datasets from velocity cubes! Spectral Profile Char.VelocityAxis.Coverage.Bounds.Extent! Char.SpatialAxis.Coverage.Support.Extent! 15
  • 16. Derived datasets from velocity cubes! Radial Profile Char.VelocityAxis.Coverage.Bounds.Extent! Position angle, Length and Width of the radius of the galaxy ! 16
  • 17. Other considerations! •  Characterization of content is needed for the generation of on-the-fly virtual data subproducts! Splinter Session! SIA v2 Access Methods! •  Accuracy and errors should be linked to a Provenance DM! •  Polarization Axis! ! ! ! ! ! 17