Phillips, J. P.; White, Glenn J.; Ade, P. A. R.; Cunningham, C. T.; Robson, E. I. and Watt, G. D.
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The sources L1551, IRC + 10216, and the Kleinmann-Low nebula possess microwave spectra indicative of mass-outflow at moderate to high velocities. In two of these cases the origin of outflow is probably to be located in newly formed or forming stars. For IRC + 10216 however it seems clear that the progenitor of the outflowing envelope is a late-type variable star. The current investigation is concerned with observations of these sources in the J = 3→2 transitions of CO and with photometry at wavelengths 377, 811, and 1136 micrometers. In L1551 the CO J = 1→0 and J = 2→1 lines show two components, a spike feature of width approximately 1.5 km/s, and a weaker but much broader 'wing' component. J = 3→2 CO spectra for three regions of this complex are shown.
|Item Type:||Conference Item|
|Copyright Holders:||1982 D. Reidel Publishing Company|
|Extra Information:||Regions of Recent Star Formation: proceedings of the Symposium on Neutral Clouds near HII Regions - Dynamics and Photochemistry
Edited by R. S. Roger, Peter E. Dewdney,
Dordrecht : D. Reidel, 1982
(Astrophysics and Space Science Library. Proceedings; v.93)
|Keywords:||carbon monoxide; infrared astronomy; molecular spectra; Orion constellation; stellar evolution; stellar spectra; astronomical photometry; carbon stars; continuous radiation; far infrared radiation; mass flow; nebulae; variable stars|
|Academic Unit/Department:||Science > Physical Sciences|
|Interdisciplinary Research Centre:||Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)|
|Depositing User:||G. J. White|
|Date Deposited:||06 Jun 2012 13:06|
|Last Modified:||23 Oct 2012 12:58|
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- CO J = 3→2 and far infrared continuum observations of L1551, Orion KL and IRC + 10216. (deposited 06 Jun 2012 13:06) [Currently Displayed]