TWiki> IVOA Web>IvoaDataModel>Spectrum (2022-07-20, MarkCresitelloDittmar) EditAttach

Spectrum Data Model: version 1.2

Goals

This update is to satisfy requested enhancements to the v1.1 model document.

Presentations by Vandana Desai

Participants

data modeler: MarkCresitelloDittmar

editor(s): MarkCresitelloDittmar

implementer(s):

  • Firefly: ???
    • Spectral plotter
  • CASSIS: ???
    • Spectral analyser
  • GAVO: ???
    • data provider

Use Cases

The requests stem from visualization use cases:

  • 1-D spectra from Spitzer’s Infrared Spectrograph have multiple spectral orders
    • Spectral orders can overlap in wavelength
    • Plotting a Spitzer spectrum without accounting for orders gives you a mess
  • SEDs often include limits on measurements
    • these can be upper or lower limits
    • Plotters need to indicate limits clearly to avoid scientific misunderstanding
    • SDM1.1 has an ad-hoc representation for upper limits (only) which may be usable, but is conceptually incorrect.

Discussion Threads

Preliminary meetings:

Planning meetings:

  • DM Meeting 20220622: Notes

Data Model Updates

The document is being updated in the IVOA Git repository

Implementations

TBD

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Topic revision: r3 - 2022-07-20 - MarkCresitelloDittmar
 
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