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The MACHO Project: Microlensing Optical Depth Toward the Galactic Bulge from Difference Image Analysis

Alcock, Charles; Allsman, Robyn; Alves, David R; Axelrod, Tim; Becker, Andrew C; Bennett, D P; Cook, Kem H; Drake, Andrew John; Freeman, Kenneth; Geha, M; Griest, K; Lehner, M J; Marshall, S L; Minniti, Dante; Nelson, C A; Peterson, Bruce; Popowski, P; Pratt, M; Quinn, Peter J; Stubbs, Christopher W; Sutherland, William J; Tomaney, A B; Vandehei, T; Welch, D L

Description

We present the microlensing optical depth toward the Galactic bulge based on the detection of 99 events found in our Difference Image Analysis (DIA) survey. This analysis encompasses 3 yr of data, covering ̃17 million stars in ̃4 deg2, to a source-star

dc.contributor.authorAlcock, Charles
dc.contributor.authorAllsman, Robyn
dc.contributor.authorAlves, David R
dc.contributor.authorAxelrod, Tim
dc.contributor.authorBecker, Andrew C
dc.contributor.authorBennett, D P
dc.contributor.authorCook, Kem H
dc.contributor.authorDrake, Andrew John
dc.contributor.authorFreeman, Kenneth
dc.contributor.authorGeha, M
dc.contributor.authorGriest, K
dc.contributor.authorLehner, M J
dc.contributor.authorMarshall, S L
dc.contributor.authorMinniti, Dante
dc.contributor.authorNelson, C A
dc.contributor.authorPeterson, Bruce
dc.contributor.authorPopowski, P
dc.contributor.authorPratt, M
dc.contributor.authorQuinn, Peter J
dc.contributor.authorStubbs, Christopher W
dc.contributor.authorSutherland, William J
dc.contributor.authorTomaney, A B
dc.contributor.authorVandehei, T
dc.contributor.authorWelch, D L
dc.date.accessioned2015-12-13T23:21:57Z
dc.date.available2015-12-13T23:21:57Z
dc.identifier.issn0004-637X
dc.identifier.urihttp://hdl.handle.net/1885/91213
dc.description.abstractWe present the microlensing optical depth toward the Galactic bulge based on the detection of 99 events found in our Difference Image Analysis (DIA) survey. This analysis encompasses 3 yr of data, covering ̃17 million stars in ̃4 deg2, to a source-star
dc.publisherIOP Publishing
dc.sourceAstrophysical Journal, The
dc.subjectKeywords: Brown dwarfs; Dark matter; Galaxy: structure; Gravitational lensing; Stars: low-mass
dc.titleThe MACHO Project: Microlensing Optical Depth Toward the Galactic Bulge from Difference Image Analysis
dc.typeJournal article
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.citationvolume541
dc.date.issued2000
local.identifier.absfor020110 - Stellar Astronomy and Planetary Systems
local.identifier.ariespublicationMigratedxPub21885
local.type.statusPublished Version
local.contributor.affiliationAlcock, Charles, Lawrence Livermore National Laboratory
local.contributor.affiliationAllsman, Robyn, Administrative Division, ANU
local.contributor.affiliationAlves, David R, Space Telescope Science Institute
local.contributor.affiliationAxelrod, Tim, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationBecker, Andrew C, University of Washington
local.contributor.affiliationBennett, D P, University of Notre Dame
local.contributor.affiliationCook, Kem H, Lawrence Livermore National Laboratory
local.contributor.affiliationDrake, Andrew John, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationFreeman, Kenneth, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationGeha, M, Lawrence Livermore National Laboratory
local.contributor.affiliationGriest, K, University of California
local.contributor.affiliationLehner, M J, University of Pennsylvania
local.contributor.affiliationMarshall, S L, Kavli Institute for Particle Astrophysics and Cosmology/Stanford University
local.contributor.affiliationMinniti, Dante, Lawrence Livermore National Laboratory
local.contributor.affiliationNelson, C A, Lawrence Livermore National Laboratory
local.contributor.affiliationPeterson, Bruce, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationPopowski, P, Lawrence Livermore National Laboratory
local.contributor.affiliationPratt, M, LIGO Massachusetts Institute of Technology
local.contributor.affiliationQuinn, Peter J, European Southern Observatory
local.contributor.affiliationStubbs, Christopher W, University of Washington
local.contributor.affiliationSutherland, William J, University of Cambridge
local.contributor.affiliationTomaney, A B, University of Washington
local.contributor.affiliationVandehei, T, University of California
local.contributor.affiliationWelch, D L, McMaster University
local.bibliographicCitation.startpage743
local.bibliographicCitation.lastpage766
dc.date.updated2015-12-12T09:09:18Z
local.identifier.scopusID2-s2.0-0034288289
CollectionsANU Research Publications

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