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QSOS

The Qualification and Selection of Open Source software (QSOS) is a methodology for assessing Free/Libre Open Source Software. This methodology is… 
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Open-source softwareOpen-source software assessment methodologies

Papers overview

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Review
2016
Review
2016
The concerted impact of galaxies and QSOs on the ionization and thermal state of the intergalactic medium
We present a detailed analysis of the ionization and thermal structure of the intergalactic medium (IGM) around a high-redshift… 
Review
2015
Review
2015
FINDING, CHARACTERIZING, AND CLASSIFYING VARIABLE SOURCES IN MULTI-EPOCH SKY SURVEYS: QSOs AND RR LYRAE IN PS1 3π DATA
In area and depth, the Pan-STARRS1 (PS1) 3π survey is unique among many-epoch, multi-band surveys and has enormous potential for… 
Review
2012
Review
2012
SPECTRAL VARIABILITY OF FIRST BRIGHT QSOs WITH SLOAN DIGITAL SKY SURVEY OBSERVATIONS
For some samples, it has been shown that spectra of QSOs with low redshift are bluer during their brighter phases. For the FIRST… 
Review
2010
Review
2010
A LARGE NUMBER OF z > 6 GALAXIES AROUND A QSO AT z = 6.43: EVIDENCE FOR A PROTOCLUSTER?
QSOs have been thought to be important for tracing highly biased regions in the early universe, from which the present-day… 
Review
2005
Review
2005
The Second Byurakan Survey. General Catalogue
Resumen en: The Second Byurakan Survey (SBS) General Catalogue is presented. The SBS, a continuation of the Markarian survey… 
Highly Cited
2005
Highly Cited
2005
Discovery of Excess O I Absorption toward the z=6.42 QSO SDSS J1148+5251
We present a search for O I in the spectra of nine 4.9 ≤ zQSO ≤ 6.4 QSOs taken with Keck HIRES. We detect six systems with N… 
1996
1996
The optical variability of QSOs
The long-term variability of a sample of 149 optically selected QSOs in the field of the Selected Area 94 has been studied in the… 
1986
1986
A QSO with redshift 3.8 found on a UK Schmidt telescope IIIa-F prism plate
High-redshift QSOs (quasi-stellar objects) are important because of the information they provide on the early history and… 
1984
1984
Statistical evidence for possible association between QSOs and bright galaxies
On a effectue une etude statistique des correlations QSO-galaxie brillante en utilisant le catalogue des QSO de Hewitt et… 
1978
1978
Selection effects in redshift distribution of QSOs
Two selection effects have been applied1,2 to the distribution of emission line redshifts of QSOs. However, since this hypothesis… 
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