Spectral shape of the UV ionizing background and He II absorption at redshifts 1.8 < z < 2.9

2006/10/14 by I. I. Agafonova, S. A. Levshakov, D. Reimers +6 · 2 citations
Earth and Planetary Sciences · Physics and Astronomy · #Absorption (acoustics) #Absorption spectroscopy #Astronomy #Astrophysics #Astrophysics and Star Formation Studies #Atmospheric Ozone and Climate #Background radiation #Ionizing radiation #Irradiation #Line (geometry) #Nuclear physics #Optics #Physics #Radiation #Redshift #Spectral line #Stellar, planetary, and galactic studies #astro-ph

paper · pdf · doi:10.1051/0004-6361:20065721

20 pages, 20 figures. Accepted for publication in A&A

arxiv created 2006/10/14 · openalex publication_date 2006/10/24 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

Aims.The shape of the UV ionizing background is reconstructed from optically thin metal absorption-line systems identified in spectra of HE 2347–4342, Q 1157+3143, and HS 1700+6416 in the redshift interval .

Citations

• Characterizing the Warm‐Hot Intergalactic Medium at High Redshift: A High‐Resolution Survey for Oviatz= 2.5
• A Study of the Reionization History of Intergalactic Helium withFUSEand the Very Large Telescope
• A Near‐Solar Metallicity, Nitrogen‐deficient Lyman Limit Absorber Associated with Two S0 Galaxies
• Fluctuations of the intergalactic UV background towards two lines of sight
• Elemental Abundances in Quasistellar Objects: Star Formation and Galactic Nuclear Evolution at High Redshifts

Cited by

• PROPERTIES OF QSO METAL-LINE ABSORPTION SYSTEMS AT HIGH REDSHIFTS: NATURE AND EVOLUTION OF THE ABSORBERS AND NEW EVIDENCE ON ESCAPE OF IONIZING RADIATION FROM GALAXIES
• The physics of the intergalactic medium