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Numbers, Tables, Pictures: A Prerequisite to DS9

Numbers, Tables, Pictures: A Prerequisite to DS9. Get your data in FITS! Measure numbers; See pictures Seeing through Tables Mess’n with the numbers. The FITS Support Office at NASA/GSFC What is FITS? The standard data format used in astronomy

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Numbers, Tables, Pictures: A Prerequisite to DS9

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  1. Numbers, Tables, Pictures:A Prerequisite to DS9 • Get your data in FITS! • Measure numbers; See pictures • Seeing through Tables • Mess’n with the numbers

  2. The FITS Support Office • at NASA/GSFC • What is FITS? • The standard data format used in astronomy • Stands for 'Flexible Image Transport System' • Endorsed by NASA and the International Astronomical Union • Much more than just another image format (such as JPG or GIF) • Used for the transport, analysis, and archival storage of scientific data sets consisting of: • Multi-dimensional arrays (1-D spectra, 2-D images, 3-D data cubes, etc.) • Tabular data containing rows and columns of information http://fits.gsfc.nasa.gov/fits_home.html

  3. How Do You Like Your Data? Cool Pic, huh?

  4. Resulting Image Data Color Tables

  5. Out=log10(In) Out=In Out=In2 Mess’n With Tables Out=In1/2 Out=In*2

  6. Boxcar Smoothing Mess’n With Numbers 11x11 7x7 3x3 /9 /49 /121

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