Talk detail

Participant	Nugier, Fabien
Institution	DIFA, University of Bologna - Via Ranzani, 1 - Bologna - Bologna - Italy

Session	DE2	Accepted		Order	Time
Talk	Oral abstract	Title	The geodesic light-cone coordinates, an adapted system for light-signal-based cosmology
Coauthors
Abstract	Most of cosmological observables are light-propagated. I will present coordinates adapted to the propagation of null-like signals as observed by a geodesic observer. These ``geodesic light-cone (GLC) coordinates'' are general, adapted to calculations in inhomogeneous geometries, and their properties make them useful for a large spectrum of applications, from the average on our past light cone, the estimation of the distance-redshift relation, the effect of the large-scale structure on the Hubble diagram, to weak lensing calculations.
Pdf file

Session	DE3	Accepted		Order	Time
Talk	Oral abstract	Title	The geodesic light-cone coordinates, an adapted system for light-signal-based cosmology
Coauthors
Abstract	Most of cosmological observables are light-propagated. I will present coordinates adapted to the propagation of null-like signals as observed by a geodesic observer. These ``geodesic light-cone (GLC) coordinates'' are general, adapted to calculations in inhomogeneous geometries, and their properties make them useful for a large spectrum of applications, from the average on our past light cone, the estimation of the distance-redshift relation, the effect of the large-scale structure on the Hubble diagram, to weak lensing calculations.
Pdf file

Session	GL3	Accepted		Order	Time
Talk	Oral abstract	Title	The geodesic light-cone coordinates, an adapted system for light-signal-based cosmology
Coauthors
Abstract	Most of cosmological observables are light-propagated. I will present coordinates adapted to the propagation of null-like signals as observed by a geodesic observer. These ``geodesic light-cone (GLC) coordinates'' are general, adapted to calculations in inhomogeneous geometries, and their properties make them useful for a large spectrum of applications, from the average on our past light cone, the estimation of the distance-redshift relation, the effect of the large-scale structure on the Hubble diagram, to weak lensing calculations.
Pdf file