R
Reza Ansari
Researcher at University of Paris
Publications - 46
Citations - 1791
Reza Ansari is an academic researcher from University of Paris. The author has contributed to research in topics: Gravitational microlensing & Stars. The author has an hindex of 16, co-authored 46 publications receiving 1507 citations. Previous affiliations of Reza Ansari include Université Paris-Saclay & Centre national de la recherche scientifique.
Papers
More filters
Journal ArticleDOI
Fink , a new generation of broker for the LSST community
Anais Möller,J. Peloton,Emille E. O. Ishida,Chris Arnault,Etienne Bachelet,Tristan Blaineau,D. Boutigny,Abhishek Chauhan,E. Gangler,Fabio Hernandez,Julius Hrivnac,Marco Leoni,Nicolas Leroy,Marc Moniez,Sacha Pateyron,Adrien Ramparison,Damien Turpin,Reza Ansari,Tarek Allam,Armelle Bajat,B. Biswas,A. Boucaud,Johan Bregeon,J.E. Campagne,Johann Cohen-Tanugi,Alexis Coleiro,Damien Dornic,D. Fouchez,O. Godet,Philippe Luc Yves Gris,Sergey Karpov,Ada Nebot Gomez-Moran,Jérémy Neveu,Stéphane Plaszczynski,V. G. Savchenko,Natalie A. Webb +35 more
TL;DR: Fink as discussed by the authors is a broker designed to enable science with large time-domain alert streams such as the one from the upcoming Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST).
Journal ArticleDOI
Observation of periodic variable stars towards the Galactic spiral arms by EROS II
F. Derue,J. B. Marquette,S. Lupone,C. Afonso,C. Alard,J. N. Albert,Alexis Amadon,Johannes Andersen,Reza Ansari,Éric Aubourg,P. Bareyre,Franz E. Bauer,J. P. Beaulieu,Guillermo A. Blanc,A. Bouquet,S. Char,X. Charlot,F. Couchot,C. Coutures,Roger Ferlet,P. Fouque,J. F. Glicenstein,Bertrand Goldman,Andrew Gould,Andrew Gould,D. Graff,M. Gros,J. Haissinski,Jean-Christophe Hamilton,D. Hardin,J. de Kat,A. Kim,T. Lasserre,L. Le Guillou,E. Lesquoy,C. Loup,Christophe Magneville,B. Mansoux,E. Maurice,A. Milsztajn,Marc Moniez,N. Palanque-Delabrouille,O. Perdereau,L. Prevot,N. Regnault,J. Rich,Michel Spiro,Alfred Vidal-Madjar,L. Vigroux,S. Zylberajch +49 more
TL;DR: In this article, the authors presented the results of a massive variability search based on a photometric survey of a six square degree region along the Galactic plane at (l = 305, b = 0:8 )a nd(l = 330 and b = 2:5).
Journal ArticleDOI
The beat Cepheids in the Magellanic Clouds: an analysis from the EROS-2 database
J. B. Marquette,Jean-Philippe Beaulieu,J. R. Buchler,R. Szabó,P. Tisserand,P. Tisserand,S. Belghith,Pascal Fouqué,E. Lesquoy,E. Lesquoy,A. Milsztajn,A. Schwarzenberg-Czerny,C. Afonso,C. Afonso,J. N. Albert,Johannes Andersen,Reza Ansari,Éric Aubourg,P. Bareyre,X. Charlot,Ch. Coutures,Ch. Coutures,Roger Ferlet,J. F. Glicenstein,Bertrand Goldman,Bertrand Goldman,Andrew Gould,David S. Graff,David S. Graff,M. Gros,J. Haissinski,C. Hamadache,J. de Kat,L. Le Guillou,L. Le Guillou,C. Loup,C. Magneville,E. Maurice,Anaëlle Maury,Marc Moniez,Nathalie Palanque-Delabrouille,O. Perdereau,Y. R. Rahal,J. Rich,Michel Spiro,Alfred Vidal-Madjar +45 more
TL;DR: In this paper, the authors used the EROS-2 survey of the Magellanic Clouds to detect and study the population of beat Cepheids (BCs) in both clouds.
Journal ArticleDOI
EROS 2 photometry of probable R Coronae Borealis stars in the Small Magellanic Cloud
P. Tisserand,J. B. Marquette,J. P. Beaulieu,P. de Laverny,É. Lesquoy,É. Lesquoy,A. Milsztajn,C. Afonso,C. Afonso,J. N. Albert,Johannes Andersen,Reza Ansari,Éric Aubourg,P. Bareyre,P. Bareyre,F. Bauer,G. Blanc,G. Blanc,G. Blanc,X. Charlot,Ch. Coutures,F. Derue,F. Derue,Roger Ferlet,P. Fouque,J. F. Glicenstein,Bertrand Goldman,Bertrand Goldman,Andrew Gould,Andrew Gould,D. Graff,M. Gros,J. Haissinski,C. Hamadache,J. de Kat,Thierry Lasserre,L. Le Guillou,C. Loup,Christophe Magneville,B. Mansoux,E. Maurice,Anaëlle Maury,Marc Moniez,Nathalie Palanque-Delabrouille,O. Perdereau,L. Prevot,Y. Rahal,N. Regnault,J. Rich,Michel Spiro,Alfred Vidal-Madjar,L. Vigroux,S. Zylberajch +52 more
TL;DR: The first R Coronae Borealis (RCB) candidate was found in the SMC by as discussed by the authors, which is the first RCB candidate to be found in a large scale dataset.
Journal ArticleDOI
A new method to improve photometric redshift reconstruction - Applications to the Large Synoptic Survey Telescope
Alexia Gorecki,Alexandra Abate,Alexandra Abate,Reza Ansari,Aurélien Barrau,S. Baumont,Marc Moniez,Jean-Stéphane Ricol +7 more
TL;DR: In this article, a neural network and template-fitting method were used to estimate the photo-z's with the LSST and a Bayesian prior probability and a calibration sample were used.