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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… Expand
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Open-source softwareOpen-source software assessment methodologies

Papers overview

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2017
2017
Large scale opacity fluctuations in the Lyman alpha forest: evidence for QSOs dominating the ionising UV background at z ~ 5.5-6 ?
This work was supported by the ERC Advanced Grant 320596 ‘The Emergence of Structure during the epoch of Reionization’. This work… Expand
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2015
2015
The origin of the far-infrared continuum of z ~ 6 quasars. A radiative transfer model for SDSS J1148+5251
Context. Understanding the history of formation of z > 6 quasars is a major challenge to theoretical models. Physical insights on… Expand
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2010
2010
Comparing OpenBRR, QSOS, and OMM Assessment Models
The objective of this study was to investigate the quality and usability of three Free/Libre Open Source Software assessment… Expand
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2009
2009
Synthetic stellar libraries and SSP simulations in the Gaia Era
The Gaia mission will obtain accurate positions, parallaxes and proper motions for 109 object all over the sky. In addition, it… Expand
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2008
2008
Comparing Assessment Methodologies for Free/Open Source Software: OpenBRR and QSOS
Many organizations using Free/Open Source Software (FlOSS) are dealing with the major problem of selecting the most appropriate… Expand
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2008
2008
Extended silicate dust emission in Palomar-Green QSOs
This paper addresses the origin of the silicate emission observed in PG QSOs, based on observations with the Spitzer Space… Expand
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2002
2002
Host galaxies of z ~ 4.7 QSOs
2 micron broad- and narrow-band imaging with the Gemini-N telescope of five z~4.7 QSOs, has resolved both the host galaxies and… Expand
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2001
2001
The proximity effect in a close group of QSOs
We present an analysis of the proximity effect in a sample of 10 2-A-resolution QSO spectra of the Lyα forest at . Rather than… Expand
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1993
1993
Upper bounds on the cosmological density of compact objects with sub-solar masses from the variability of QSOs
If the universe is filled with compact objects in the mass range 10 −4 M ○. ≤M≤1 M ○. , relative motion of these objects… Expand
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1978
1978
Number density excess of QSOs and initially inhomogeneous cosmologies
The problem of the coordinate density excess of high redshift objects in the Universe compared to nearer sources is considered… Expand
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