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30 papers · 2 filters
The Properties of Ultraviolet-Luminous Galaxies at the Current Epoch
Timothy M. Heckman, Charles G. Hoopes, Mark Seibert +23
We have used the first matched set of GALEX and SDSS data to investigate the properties of a sample of 74 nearby galaxies with far-ultraviolet luminosities chosen to overlap the lu…
The GALEX-VVDS Measurement of the Evolution of the Far-Ultraviolet Luminosity Density and the Cosmic Star Formation Rate
D. Schiminovich, O. Ilbert, S. Arnouts +10
In a companion paper (Arnouts et al. 2004) we presented new measurements of the galaxy luminosity function at 1500 Angstroms out to z~1 using GALEX-VVDS observations (1039 galaxies…
Recent star formation in nearby galaxies from GALEX imaging:M101 and M51
Luciana Bianchi, D. Thilker, D. Burgarella +24
The GALEX (Galaxy Evolution Explorer) Nearby Galaxies Survey is providing deep far-UV and near-UV imaging for a representative sample of galaxies in the local universe. We present…
Classification and Characterization of Objects from GALEX and SDSS surveys
Luciana Bianchi, M. Seibert, W. Zheng +22
We use the GALEX (Galaxy Evolution Explorer) Medium Imaging Survey (MIS) and All-Sky Imaging Survey (AIS) data available in the first internal release, matched to the SDSS catalogs…
The GALEX-VVDS Measurement of the Evolution of the 1500A Luminosity Function
S. Arnouts, D. Schiminovich, O. Ilbert +8
We present the first measurement of the galaxy luminosity function at 1500A between 0.2<z<1.2 based on GALEX-VVDS observations (1000 spectroscopic redshifts for galaxies with NUV<2…
Extinction radial profiles of M83 from GALEX UV imaging
S. Boissier, A. Gil de Paz, B. F. Madore +24
We use the far-UV (FUV) and near-UV (NUV) images of M83 obtained by GALEX to compute the radial profile of the UV spectral slope in the star forming disk. We briefly present a mode…
UV Emission from Stellar Populations within Tidal Tails: Catching the Youngest Galaxies in Formation?
S. G. Neff, D. A. Thilker, M. Seibert +22
New GALEX observations have detected significant FUV (1530 Angstroms) and NUV (2310 Angstroms) emission from stellar substructures within the tidal tails of four ongoing galaxy mer…
The UV Galaxy Luminosity Function in the Local Universe from GALEX Data
Ted K. Wyder, Marie A. Treyer, Bruno Milliard +22
We present the results of a determination of the galaxy luminosity function at ultraviolet wavelengths at redshifts of from GALEX data. We determined the luminosity fun…
Systematics of the Ultraviolet Rising flux in a GALEX/SDSS sample of Early-type Galaxies
R. M. Rich, S. Salim, J. Brinchmann +24
We present ultraviolet photometry for a sample of morphologically early-type galaxies selected by matching the Sloan Digital Sky Survey Data Release 1 with the GALEX Medium and All…
New Constraints on the Star Formation Histories and Dust Attenuation of Galaxies in the Local Universe from GALEX
Samir Salim, Stephane Charlot, R. Michael Rich +23
We derive a variety of physical parameters including star formation rates (SFRs), dust attenuation and burst mass fractions for 6472 galaxies observed by the Galaxy Evolution Explo…
UV Morphology and Star Formation in the Tidal Tails of NGC 4038/39
J. E. Hibbard, L. Bianchi, D. A. Thilker +2
We present GALEX FUV (1530 A) and NUV (2310 A) observations of the archetypal merging system NGC 4038/39, ``The Antennae". Both tails are relatively bright in the UV, especially in…
Dust attenuation in the nearby Universe: comparison between galaxies selected in the ultraviolet or in the infrared
V. Buat, J. Iglesias-Paramo, M. Seibert +27
We compare the dust attenuation properties of two samples of galaxies purely selected in the near-ultraviolet (NUV) band (1750-2750 A, lambda_m = 2310 A) and in the far-infrared (F…
A comparative study of the spatial distribution of ultraviolet and far-infrared fluxes from M 101
C. C. Popescu, R. J. Tuffs, B. F. Madore +23
The total ultraviolet (UV) flux (from 1412 to 2718 AA) of M 101 is compared on a pixel-to-pixel basis with the total far-infrared (FIR) flux (from 60 to 170 micron), using the maps…
GALEX UV Color-Magnitude Relations and Evidence for Recent Star Formation in Early-type Galaxies
S Yi, SJ Yoon, S Kaviraj +32
We have used the GALEX UV photometric data to construct a first near-ultraviolet (NUV) color-magnitude relation (CMR) for the galaxies pre-classified as early-type by SDSS studies.…
GALEX Ultraviolet Photometry of Globular Clusters in M31
S. -C. Rey, R. M. Rich, Y. -W. Lee +27
We present ultraviolet photometry for globular clusters (GCs) in M31 from 15 square deg of imaging using the Galaxy Evolution Explorer (GALEX). We detect 200 and 94 GCs with certai…
UV emission and Star Formation in Stephan's Quintet
C. Kevin Xu, Jorge Iglesias-Paramo, Denis Burgarella +22
we present the first GALEX UV images of the well known interacting group of galaxies, Stephan's Quintet (SQ). We detect widespread UV emission throughout the group. However, there…
The Look-back Time Evolution of Far-UV Flux from Elliptical Galaxies: The Fornax Cluster and Abell 2670
Y. -W. Lee, C. H. Ree, R. M. Rich +30
In order to investigate the origin of the far-UV (FUV) flux from the early-type galaxies, Galaxy Evolution Explorer (GALEX) is collecting the UV data for the elliptical-rich cluste…
Panoramic GALEX FUV and NUV imaging of M31 and M33
D. A. Thilker, C. G. Hoopes, L. Bianchi +25
We present Galaxy Evolution Explorer (GALEX) far-UV and near-UV mosaic observations covering the entirety of M31 and M33. For both targets, we measure the decline of surface bright…
The On-Orbit Performance of the Galaxy Evolution Explorer
P. Morrissey, D. Schiminovich, T. A. Barlow +35
We report the first year on-orbit performance results for the Galaxy Evolution Explorer (GALEX), a NASA Small Explorer that is performing a survey of the sky in two ultraviolet ban…
GALEX Observations of the Ultraviolet Halos of NGC 253 and M82
C. G. Hoopes, T. M. Heckman, D. K. Strickland +25
We present Galaxy Evolution Explorer (GALEX) images of the prototypical edge-on starburst galaxies M82 and NGC253. Our initial analysis is restricted to the complex of ultraviolet…
The Ultraviolet Galaxy Luminosity Function from GALEX data: Color Dependent Evolution at Low Redshift
M. Treyer, T. Wyder, D. Schiminovich +22
We present measurements of the FUV (1530A) and NUV (2310A) galaxy luminosity functions (LF) at low redshift (z<0.2) from GALEX observations matched to the 2dF Galaxy Redshift Surve…
The Star Formation Rate Function of the Local Universe
D. Christopher Martin, Mark Seibert, Veronique Buat +22
We have derived the bivariate luminosity function for the far ultraviolet (1530Angstroms) and far infrared (60 microns). We used matched GALEX and IRAS data, and redshifts from NED…
Recent Star Formation in the Extreme Outer Disk of M83
D. A. Thilker, L. Bianchi, S. Boissier +24
Ultraviolet imaging with the Galaxy Evolution Explorer (GALEX) has revealed an extensive sample of UV-bright stellar complexes in the extreme outer disk of M83, extending to about…
The Ultraviolet Luminosity Function of GALEX Galaxies at Photometric Redshifts Between 0.07 and 0.25
T. Budavari, A. S. Szalay, S. Charlot +24
We present measurements of the UV galaxy luminosity function and the evolution of luminosity density from GALEX observations matched to the Sloan Digital Sky Survey (SDSS). We anal…