Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aspc..376..331k&link_type=abstract
Astronomical Data Analysis Software and Systems XVI ASP Conference Series, Vol. 376, proceedings of the conference held 15-18 Oc
Astronomy and Astrophysics
Astronomy
Scientific paper
The Multimission Archive at the Space Telescope Science Institute (MAST) in collaboration with the Space Telescope European Coordination Facility (ST-ECF) and the Canadian Astronomy Data Centre (CADC) is working on making its spectral data (UV and optical) available to the VO through the Simple Spectral Access Protocol (SSAP). The bottleneck so far has been the collection of metadata, especially for heritage instruments. We closely follow the VO Data Characteristics Model for determining the different levels of data characterization. We also address the need for additional metadata such as a 98 percentile flux to display spectra and characterize continuum levels. Creating the proper keywords for FITS serialization has also required much effort. FITS conventions such as TDMINn, TDMAXn, etc. will be used where possible. There is a need to standardize algorithms for derived metadata such as signal-to-noise ratio in order to assure meaningful comparison between VO retrieved spectral data.
Durand Daniel
Kamp Inga
Levay Karen
Micol Alberto
Smith Marcie
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