SIMBAD references

2010ApJ...724.1389M - Astrophys. J., 724, 1389-1395 (2010/December-1)

Mapping the diffuse ultraviolet sky with the Galaxy Evolution Explorer.

MURTHY J., HENRY R.C. and SUJATHA N.V.

Abstract (from CDS):

We present a map of the diffuse ultraviolet cosmic background in two wavelength bands (FUV: 1530 Å and NUV: 2310 Å) over almost 75% of the sky using archival data from the Galaxy Evolution Explorer (GALEX) mission. Most of the diffuse flux is due to dust-scattered starlight and follows a cosecant law with slopes of 545 photons/cm2/s/sr/Å and 433 photons/cm2/s/sr/Å in the FUV and NUV bands, respectively. There is a strong correlation with the 100 µm Infrared Astronomy Satellite (IRAS) flux with an average UV/IR ratio of 300 photons/cm2/s/sr/Å (MJy/sr)–1 in the FUV band and that of 220 photons/cm2/s/sr/Å (MJy/sr)–1 in the NUV band but with significant variations over the sky. In addition to the large-scale distribution of the diffuse light, we note a number of individual features including bright spots around the hot stars Spica and Achernar.

Abstract Copyright:

Journal keyword(s): diffuse radiation - dust, extinction - surveys - ultraviolet: ISM

VizieR on-line data: <Available at CDS (J/ApJ/724/1389): table1.dat>

Simbad objects: 7

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