Other
Scientific paper
Mar 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008head...10.1302h&link_type=abstract
American Astronomical Society, HEAD meeting #10, #13.02
Other
Scientific paper
We are developing a Chandra Grating-Data Archive and Catalog to make all grating spectra more visible and accessible to users. We intend to to provide a simple browser interface to analysis-quality standard spectral products (binned spectra and corresponding response files), with the addition of summary graphical products and model-independent flux properties tables. Such products and a browser interface will make it easy for a user to find observations of a particular object, type of object, or type of observation, to quickly assess the quality and potential usefulness of the spectra, and to download the data and responses as a package if desired. We will include LETG data as well as ACIS CC-mode observations.
In addition to the data, portable reprocessing scripts, using CXC and other publicly available software which were used to create the archive will also be available to users, facilitating standard or customized reprocessing from download of Level 1 archive data to production of spectra and responses with minimal interaction (analogous to the "psextract" script commonly used for automated imaging spectral extraction). We will add some customized products which may take time, effort, or special expertise to produce. Candidates for such include extended source extractions, crowded field extractions, and aggregate products such as summed Capella or summed Orion-field-objects spectra. Additional content will grow according to user feedback. This catalog builds upon experience with other relevant work, such as the X-Atlas of HETGS spectra (http://cxc.harvard.edu/XATLAS) or the XMM-RGS spectral browser (http://xmm.esac.esa.int/BiRD). It is intended to be a long-term legacy product for Chandra gratings observations.
This work was supported by NASA through the Smithsonian Astrophysical Observatory (SAO) contract SV3-73016 for the Chandra X-Ray Center and Science Instruments.
Canizares Claude
Davis Jesse E.
Dewey Dan
Houck John C.
Huenemoerder David
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