How SkyView Works

SkyView essentially works in seven steps from request to image display.

[Note: While this description was written for a much older version of SkyView over a decade ago the basic steps are still essentially correct though the details have changed.]

1. SkyView reads in values from the Query Form.
2. Setting up the grid
3. Projection of grid onto Celestial sphere
4. Rotation, Precession, and Coordinate transformation
5. Re-project grid into "survey" space
6. Resample pixels for display
7. The image is then created and displayed

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SkyView Home   |   Help   |   Survey Information   |   Non-Astronomers Interface   |   Query Form

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Direct all questions regarding SkyView to our Feedback Page

SkyView has been developed with generous support from the NASA AISR and ADP programs (P.I. Thomas A. McGlynn) under the auspices of the High Energy Astrophysics Science Archive Research Center (HEASARC) at the NASA/ GSFC Astrophysics Science Division.

We gratefully acknowledge the support of NASA and contributors of SkyView surveys.

Science Mission Directorate Universe Division | Beyond Einstein | Origins A service of the Astrophysic Science Division at NASA/ GSFC and the High Energy Astrophysics Division of the Smithsonian Astrophysical Observatory (SAO) HEASARC Director: Dr. Nicholas E. White HEASARC Associate Director: Dr. Roger Brissenden Responsible NASA Official: Phil Newman Web Curator: Laura McDonald Privacy Policy and Important Notices.