SIMBAD references

The first far-ultraviolet (1350-1750 Å) spectral imaging observations of the Eridanus superbubble, obtained with the SPEAR/FIMS mission, have revealed distinct fluorescent emission from molecular hydrogen. Here we compare the observed emission features with those from a photodissociation region model with assumed illuminating stellar fields. The result shows rather high line ratios I₁₅₈₀/I₁₆₁₀, which may imply the existence of high-temperature molecular clouds in the region. The H₂fluorescence intensity shows a proportional correlation with Hα emission, indicating that the fluorescence and the recombination emission have similar physical origins.