TheGalaxy Evolution Explorer: A Space Ultraviolet Survey Mission

2004/11/11 by D. Christopher Martin, James Fanson, James L. Fanson +30 · 31 citations
Physics and Astronomy · #Angstrom #Astronomy #Astronomy and Astrophysical Research #Astrophysics #Astrophysics and Star Formation Studies #Galaxies: Formation, Evolution, Phenomena #Galaxy #Galaxy formation and evolution #Grism #Physics #Redshift #Redshift survey #Sky #Star formation #Universe #astro-ph

paper · pdf · doi:10.1086/426387

published as Astrophys.J. 619 (2005) L1-L6 · This paper will be published as part of the Galaxy Evolution Explorer (GALEX) Astrophysical Journal Letters Special Issue. Links to the full set of papers will be available at http:/www.galex.caltech.edu/PUBLICATIONS/ after November 22, 2004

arxiv created 2004/11/11 · openalex publication_date 2005/01/17 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

We give an overview of the Galaxy Evolution Explorer ( GALEX ), a NASA Explorer Mission launched on 2003 April 28. GALEX is performing the first space UV sky survey, including imaging and grism surveys in two bands (1350-1750 and 1750-2750 Å). The surveys include an all-sky imaging survey ( m AB ≃ 20.5), a medium imaging survey of 1000 deg 2 ( m AB ≃ 23), a deep imaging survey of 100 deg 2 ( m AB ≃ 25), and a nearby galaxy survey. Spectroscopic (slitless) grism surveys ( R = 100-200) are underway with various depths and sky coverage. Many targets overlap existing or planned surveys in other bands. We will use the measured UV properties of local galaxies, along with corollary observations, to calibrate the relationship of the UV and global star formation rate in local galaxies. We will apply this calibration to distant galaxies discovered in the deep imaging and spectroscopic surveys to map the history of star formation in the universe over the redshift range 0 < z < 2 and probe the physical drivers of star formation in galaxies. The GALEX mission includes a guest investigator program, supporting the wide variety of programs made possible by the first UV sky survey.

Citations

• The Properties of Ultraviolet-luminous Galaxies at the Current Epoch
• A Comparative Study of the Spatial Distribution of Ultraviolet and Far-Infrared Fluxes from M101
• New Constraints on the Star Formation Histories and Dust Attenuation of Galaxies in the Local Universe from GALEX
• Galaxy Evolution Explorer Ultraviolet Color-Magnitude Relations and Evidence of Recent Star Formation in Early-Type Galaxies
• Star formation history and dust content of galaxies drawn from ultraviolet surveys
• Galaxy Evolution Explorer Ultraviolet Photometry of Globular Clusters in M31
• Dust Absorption and the Ultraviolet Luminosity Density atz ≈ 3 as Calibrated by Local Starburst Galaxies
• Ultraviolet Morphology and Star Formation in the Tidal Tails of NGC 4038/39
• A flat Universe from high-resolution maps of the cosmic microwave background radiation
• Spectroscopic Confirmation of a Population of Normal Star-forming Galaxies at Redshiftsz> 3

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• The Glow of Axion Quark Nugget Dark Matter: (III) The Mysteries of the Milky Way UV Background
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• The Origin of Dwarf Ellipticals in the Virgo Cluster
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