The following document lists the file abstract/SDRAPATZ_ISOXYGEN.abs
from catalogue VI/111.
A plain copy of the file
(without headers/trailers) may be downloaded.
Molecular oxygen 16^O_2 is a key element in interstellar
chemistry networks. Because of interference of telluric oxygen
it can only be observed by space telescopes. However,
due to its homonuclear nature, infrared transitions (magnetic
dipole, electric quadrupole) are weak.
A search is proposed for most promising sources:
1) deep integration on the cool dense Sgr B2 cloud in two
lines (138 and 165 micron) in case of a autumn launch,
2) deep integration on Orion Pk1 (6.4, 119 and 138 micron)
in case of a spring launch.
Both observations should yield possible results for O_2 abundances
being in a range as given in different chemical models and should
allow to improve our knowledge of interstellar oxygen abundance
and chemistry.