Package util.sdss

Interface Summary
Star Properties shared by all stellar objects
 

Class Summary
EmissionLines Create a wavelength sorted list of quasar emission lines in observed reference frame from SDSS DR1.
ExtractQuasars Extract quasars spectra and images from the SDSS DR1 using the preliminary identification flags.
Line A data container to hold the emission line instances and hold a reference to the source star.
Quasar A data container to hold the quasar instances from Sloan Digital Sky Survey DR3 QSO Catalog that appear in the file dr1qso.txt along with emission lines locations.