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Dive into the research topics where Julie N. L. Albert is active.

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Featured researches published by Julie N. L. Albert.


Astronomy and Astrophysics | 2003

Limits on Galactic dark matter with 5 years of EROS SMC data

C. Afonso; Julie N. L. Albert; J. Andersen; R. Ansari; E. Aubourg; P. Bareyre; J. P. Beaulieu; Guillaume Blanc; X. Charlot; Francois Couchot; C. Coutures; R. Ferlet; P. Fouque; J. F. Glicenstein; Bertrand Goldman; A. Gould; David S. Graff; M. Gros; J. Haissinski; C. Hamadache; J. de Kat; T. Lasserre; L. Leguillou; E. Lesquoy; C. Loup; C. Magneville; J.-B. Marquette; E. Maurice; A. Maury; A. Milsztajn

Five years of EROS data towards the Small Magellanic Cloud have been searched for gravitational microlensing events, using a new, more accurate method to assess the impact of stellar blending on the efficiency. Four long-duration candidates have been found which, if they are microlensing events, hint at a non-halo population of lenses. Combined with results from other EROS observation programs, this analysis yields strong limits on the amount of Galactic dark matter made of compact objects. Less than 25% of a standard halo can be composed of objects with a mass between 2 10^-7 Msol and 1 Msol at the 95% C.L.


Astronomy and Astrophysics | 2000

Not enough stellar mass Machos in the Galactic halo

T. Lasserre; C. Afonso; Julie N. L. Albert; J. Andersen


Astronomy and Astrophysics | 1999

A slope variation in the period-luminosity relation for short period SMC Cepheids

F. E. Bauer; C. Afonso; Julie N. L. Albert; C. Alard; J. Andersen; R. Ansari; E. Aubourg; P. Bareyre; J. P. Beaulieu; A. Bouquet; S. Char; [No Value] Charlot; Francois Couchot; C. Coutures; F. Derue; R. Ferlet; C. Gaucherel; J. F. Glicenstein; A. Gould; David S. Graff; M. Gros; J. Haissinski; J. C. Hamilton; Douglas P. Hardin; J. de Kat; Alex G. Kim; T. Lasserre; E. Lesquoy; C. Loup; C. Magneville


Archive | 2009

EROS CMD towards 4 Galactic spiral arms fields (Rahal+, 2009)

Y. R. Rahal; C. Afonso; Julie N. L. Albert; J. Andersen; R. Ansari; Eric Aubourg; P. Bareyre; J.-Ph. Beaulieu; Xavier Charlot; Francois Couchot; C. Coutures; F. Derue; Roger Ferlet; P. Fouque; J. F. Glicenstein; Andrew Gould; David S. Graff; Michel Gros; J. Haissinski; C. Hamadache; J. de Kat; E. Lesquoy; Cecile Loup; Laurent Le Guillou; C. Magneville; Bruno Mansoux; J.-B. Marquette; E. Maurice; A. Maury; A. Milsztajn


Archive | 2008

EROS-2 beat Cepheids in Magellanic Clouds (Marquette+, 2009)

J.-B. Marquette; J.-Ph. Beaulieu; J. Robert Buchler; R. Szabo; Patrick Tisserand; Safya Belghith; P. Fouque; E. Lesquoy; A. Milsztajn; A. Schwarzenberg-Czerny; C. Afonso; Julie N. L. Albert; J. Andersen; R. Ansari; Eric Aubourg; P. Bareyre; Xavier Charlot; C. Coutures; Roger Ferlet; J. F. Glicenstein; Andrew Gould; David S. Graff; Michel Gros; J. Haissinski; C. Hamadache; J. de Kat; Laurent Le Guillou; Cecile Loup; C. Magneville; E. Maurice


Archive | 2008

Light curve of EROS2 J005135-714459 (Marquette+, 2008)

J.-B. Marquette; Patrick Tisserand; Patrick Francois; J.-Ph. Beaulieu; Vanessa Doublier; E. Lesquoy; A. Milsztajn; John D. Pritchard; A. Schwarzenberg-Czerny; C. Afonso; Julie N. L. Albert; J. Andersen; R. Ansari; Eric Aubourg; P. Bareyre; Xavier Charlot; C. Coutures; Roger Ferlet; P. Fouque; J. F. Glicenstein; Andrew Gould; David S. Graff; Michel Gros; J. Haissinski; C. Hamadache; J. de Kat; Laurent Le Guillou; Cecile Loup; C. Magneville; E. Maurice


Archive | 2007

EROS-2 microlensing parameters (Hamadache+, 2006)

C. Hamadache; Laurent Le Guillou; Patrick Tisserand; C. Afonso; Julie N. L. Albert; J. Andersen; R. Ansari; Eric Aubourg; P. Bareyre; J.-Ph. Beaulieu; Xavier Charlot; C. Coutures; Roger Ferlet; P. Fouque; J. F. Glicenstein; Andrew Gould; David S. Graff; Michel Gros; J. Haissinski; J. de Kat; E. Lesquoy; Cecile Loup; C. Magneville; J.-B. Marquette; E. Maurice; A. Maury; A. Milsztajn; M. Moniez; N. Palanque-Delabrouille; O. Perdereau


Archive | 2002

EROS II periodic stars towards Galactic spiral arm (Derue+, 2002)

F. Derue; J.-B. Marquette; Sylvain Lupone; C. Afonso; C. Alard; Julie N. L. Albert; A. Amadon; J. Andersen; R. Ansari; Eric Aubourg; P. Bareyre; Florian Bauer; J.-Ph. Beaulieu; Guillaume Blanc; Alain Bouquet; S. Char; Xavier Charlot; Francois Couchot; C. Coutures; Roger Ferlet; P. Fouque; J. F. Glicenstein; Andrew Gould; David S. Graff; Michel Gros; J. Haissinski; J.-Ch. Hamilton; Douglas P. Hardin; J. de Kat; Alex G. Kim


Astronomy and Astrophysics | 2000

Type Ia supernova rate at z ~ 0.1

D. Hardin; C. Afonso; C. Alard; Julie N. L. Albert; A. Amadon; J. Andersen; R. Ansari; E. Aubourg; P. Bareyre; F. E. Bauer; J.-Ph. Beaulieu; Guillaume Blanc; A. Bouquet; S. Char; Xavier Charlot; Francois Couchot; C. Coutures; F. Derue; Roger Ferlet; J. F. Glicenstein; Andrew Gould; David S. Graff; M. Gros; J. Haissinski; J.-Ch. Hamilton; J. de Kat; Alex G. Kim; T. Lasserre; E. Lesquoy; Cecile Loup


Archive | 1999

Measuring the thickness of the Magellanic Cloud Cepheid population: Implications for Microlensing

David S. Graff; F. E. Bauer; C. Afonso; Julie N. L. Albert; J. Andersen; R. Ansari; E. Aubourg; P. Bareyre; J. P. Beaulieu; A. Bouquet; S. Char; Xavier Charlot; Francois Couchot; C. Coutures; F. Derue; R. Ferlet; C. Gaucherel; J. F. Glicenstein; A. Gould; M. Gros; J. Haissinski; J. C. Hamilton; D. Hardin; J. de Kat; T. Lasserre; E. Lesquoy; Cecile Loup; C. Magneville; Bruno Mansoux; Jb. Marquette

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C. Coutures

Institut d'Astrophysique de Paris

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E. Lesquoy

Institut d'Astrophysique de Paris

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