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We present a new updated catalogue of Galactic and extragalactic symbioticstars (SySts). Since the last catalogue of SySts (Belczynski et al. 2000), thenumber of known SySts has significantly increased. Our new catalogue contains316 known and 82 candidates SySts. Of the confirmed Systs 252 are located inour Galaxy and 64 in nearby galaxies. This reflects an increase of $\sim$50% inthe population of Galactic SySts and $\sim$400% in the population ofextragalactic SySts. The spectral energy distribution (SED) of 334 (known andcandidates) SySts have been constructed using the 2MASS and WISE data. TheseSEDs are used to provide a robust reclassification in scheme of S- (74%), D-(15%) and D'-types (2.5%). The SEDs of S- and D-type peak between 0.8 and1.6$\mu$m and between 1.6 and 4$\mu$m, respectively, whereas those of D'-typeexhibit a plateau profile. Moreover, we provide the first compilation of SyStsthat exhibit the OVI Raman-scattered line at 6830\AA. Our analysis shows that55% of the Galactic SySts exhibit that line in their spectrum, whereas thispercentage is different from galaxy to galaxy.

Reclassifying symbiotic stars with 2MASS and WISE: An atlas of spectral energy distribution