A number of different types
of interesting objects may be distinguished in the DFBS. It is possible
to select objects by comparison of their blue and red parts of the
spectrum, follow the spectral energy distribution (SED), and notice a
number of broad spectral lines, such as the Balmer (and sometimes, HeI)
absorption lines at white dwarfs and some subdwarfs, broad emission lines
of QSOs and Seyferts, strong emission lines of cataclysmic variables (CV)
and planetary nebulae (PN), as well as absorption bands at late-type
stars (M, C).
Sample spectra for stars of different
spectral types (A-F-G-K).
The following main types of
objects have been selected by means of the FBS spectra so far (click on
the type to see the 2D and 1D spectra):