Scientific results from HOPS, The H2O southern Galactic Plane Survey


Andrew Walsh (James Cook University)



I will summarise early results of HOPS which has recently completed observations on the Mopra radiotelescope in Australia. HOPS has covered 100 square degrees of the Galactic plane in the 12mm band, including observations of water masers, NH3 inversion transitions, HCCCN, radio recombination and methanol spectral lines. We have found 540 water masers, of which nearly two-thirds are new detections. We also find around 700 NH3 clumps, as well as widespread detections of HCCCN and occasional detections of Class I methanol masers and other spectral lines. It is our intention that the HOPS data base can be used as a map of high density gas in the southern Galaxy.