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2008MNRAS.385..809S - Mon. Not. R. Astron. Soc., 385, 809-822 (2008/April-1)
AMI limits on 15-GHz excess emission in northern HII regions AMI Consortium,.
SCAIFE A.M.M., HURLEY-WALKER N., DAVIES M.L., DUFFETT-SMITH P.J., FEROZ F., GRAINGE K.J.B., GREEN D.A., HOBSON M.P., KANEKO T., LASENBY A.N., POOLEY G.G., SAUNDERS R.D.E., SCOTT P.F., TITTERINGTON D.J., WALDRAM E.M. and ZWART J.
Abstract (from CDS):
We present observations between 14.2 and 17.9GHz of 16 Galactic Hii regions made with the Arcminute Microkelvin Imager. In conjunction with data from the literature at lower radio frequencies we investigate the possibility of a spinning dust component in the spectra of these objects. We conclude that there is no significant evidence for spinning dust towards these sources and measure an average spectral index of α = 0.15±0.07 (where S ∼ ν–α) between 1.4 and 17.9GHz for the sample.
Abstract Copyright: 2008 The Authors. Journal compilation © 2008 RAS
Journal keyword(s): radiation mechanisms: thermal - ISM: clouds - HII regions - radio continuum: ISM
Simbad objects: 49
