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Dust-correlated cm-wavelength continuum emission on translucent clouds ζ Oph and LDN 1780

Abstract:

The diffuse cm-wave IR-correlated signal, the "anomalous" CMB foreground, is thought to arise in the dust in cirrus clouds. We present Cosmic Background Imager (CBI) cm-wave data of two translucent clouds, {\zeta} Oph and LDN 1780 with the aim of characterising the anomalous emission in the translucent cloud environment. In {\zeta} Oph, the measured brightness at 31 GHz is 2.4{\sigma} higher than an extrapolation from 5 GHz measurements assuming a free-free spectrum on 8 arcmin scales. The SE...

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Publication status:
Published

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Journal:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume:
414
Issue:
3
Pages:
2424-2435
Publication date:
2011-02-21
DOI:
ISSN:
0035-8711
URN:
uuid:0c0f5443-8315-46ac-bfa2-6a354765f843
Source identifiers:
161996
Local pid:
pubs:161996
Keywords:

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