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Title: Diffuse radiation from the Aquila Rift
Authors: Jyothy, S. N
Murthy, J
Karuppath, N
Sujatha, N. V
Keywords: Diffuse radiation;Ultraviolet: ISM
Issue Date: 1-Dec-2015
Publisher: Oxford University Press on behalf of the Royal Astronomical Society
Citation: Monthly Notices of the Royal Astronomical Society, Vol. 454, No. 2, pp. 1778-1784
Abstract: We present an analysis of the diffuse ultraviolet (UV) background in a low latitude region near the Aquila Rift based on observations made by the Galaxy Evolution Explorer (GALEX). The UV background is at a level of about 2000 ph cm−2 s−1 sr−1 Å−1 with no correlation with either the Galactic latitude or the 100 μm infrared (IR) emission. Rather, the UV emission falls off with distance from the bright B2 star HIP 88149, which is in the centre of the field. We have used a Monte Carlo model to derive an albedo of 0.6–0.7 in the UV with a phase function asymmetry factor (g) of 0.2–0.4. The value for the albedo is dependent on the dust distribution while g is determined by the extent of the halo.
Description: Restricted Access
ISSN: 1365-2966
???metadata.dc.rights???: © Royal Astronomical Society
Appears in Collections:IIAP Publications

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