Detection of new sources of 4765-MHz OH masing

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dc.creatorDodson, R.
dc.creatorEllingsen, S.
dc.date2001-05-16
dc.date.accessioned2026-07-07T01:58:35Z
dc.date.available2026-07-07T01:58:35Z
dc.descriptionWe have used the Australia Telescope Compact Array (ATCA) to make a sensitive search for maser emission from the 4765-MHz transition of OH towards a sample of 55 star formation regions. Maser emission with peak flux densities in excess of 100 mJy were detected in 14 sites, with 10 of these being new discoveries. Unlike the ground-state OH transitions the 4765-MHz transition is not predicted to be circularly polarised and none of the masers observed have detectable levels of linear, or circular polarisation. Combining our results with those of previous high resolution observations of other OH transitions we are able to investigate various theoretical models for the pumping of OH masers.
dc.description4 pages, 1 figure, in IAU 206 conference proceedings
dc.identifierhttps://arxiv.org/abs/astro-ph/0105264
dc.identifierhttp://arxiv.org/abs/astro-ph/0105264
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/2770
dc.subjectAstrophysics
dc.titleDetection of new sources of 4765-MHz OH masing
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