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A Golden Standard Type Ia Supernova SN 2005cf: Observations from the Ultraviolet to the Near-Infrared Wavebands
Xiaofeng Wang, Weidong Li, Alexei V. Filippenko +31
We present extensive photometry at ultraviolet (UV), optical, and near-infrared (NIR) wavelengths, as well as dense sampling of optical spectra, for the normal type Ia supernova (S…
Lyman alpha emitting galaxies at 0.2 < z < 0.35 from GALEX spectroscopy
Jean-Michel Deharveng, Todd Small, Tom A. Barlow +19
The GALEX (Galaxy Evolution Explorer) spectroscopic survey mode, with a resolution of about 8 A in the FUV (1350 - 1750 A) and about 20 A in the NUV (1950 - 2750 A) is used for a s…
Ultraviolet, Optical, and Infrared Constraints on Models of Stellar Populations and Dust Attenuation
Benjamin D. Johnson, David Schiminovich, Mark Seibert +19
The color of galaxies is a fundamental property, easily measured, that constrains models of galaxies and their evolution. Dust attenuation and star formation history (SFH) are the…
The Young and the Dustless: Interpreting Radio Observations of UltraViolet Luminous Galaxies
Antara R. Basu-Zych, David Schiminovich, Benjamin D. Johnson +23
Ultraviolet Luminous Galaxies (UVLGs) have been identified as intensely star-forming, nearby galaxies. A subset of these, the supercompact UVLGs, are believed to be local analogs o…
Nitrogen Production in Starburst Galaxies Detected by GALEX
Ryan P. Mallery, Lisa Kewley, R. Michael Rich +22
We investigate the production of nitrogen in star forming galaxies with ultraviolet (UV) radiation detected by the Galaxy Evolution Explorer Satellite (GALEX). We use a sample of 8…
UV Star Formation Rates in the Local Universe
Samir Salim, R. Michael Rich, Stéphane Charlot +21
We measure star formation rates of ~50,000 optically-selected galaxies in the local universe (z~0.1), spanning a range from gas-rich dwarfs to massive ellipticals. We obtain dust-c…
The Look-back Time Evolution of Far-Ultraviolet Flux from the Brightest Cluster Elliptical Galaxies at z < 0.2
Chang H. Ree, Young-Wook Lee, Sukyoung K. Yi +28
We present the GALEX UV photometry of the elliptical galaxies in Abell clusters at moderate redshifts (z < 0.2) for the study of the look-back time evolution of the UV upturn pheno…
The Extended Star Formation History of the Andromeda Spheroid at Twenty One Kiloparsecs on the Minor Axis
Thomas M. Brown, Ed Smith, Henry C. Ferguson +8
Using the HST ACS, we have obtained deep optical images of a southeast minor-axis field in the Andromeda Galaxy, 21 kpc from the nucleus. In both star counts and metallicity, this…
Chemical and Photometric Evolution of Extended Ultraviolet Disks: Optical Spectroscopy of M83 (NGC5236) and NGC4625
A. Gil de Paz, B. F. Madore, S. Boissier +21
We present the results from the analysis of optical spectra of 31 Halpha-selected regions in the extended UV (XUV) disks of M83 (NGC5236) and NGC4625 recently discovered by GALEX.…
Deep GALEX Imaging of the HST/COSMOS Field: A First Look at the Morphology of z~0.7 Star-forming Galaxies
M. A. Zamojski, D. Schiminovich, R. M. Rich +34
We present a study of the morphological nature of redshift z~0.7 star-forming galaxies using a combination of HST/ACS, GALEX and ground-based images of the COSMOS field. Our sample…
GALEX Ultraviolet Photometry of Globular Clusters in M31: Three Year Results and a Catalog
Soo-Chang Rey, R. Michael Rich, Sangmo T. Sohn +23
We present ultraviolet (UV) photometry of M31 globular clusters (GCs) found in 23 Galaxy Evolution Explorer (GALEX) images covering the entirety of M31. We detect 485 and 273 GCs (…
Statistical Properties of the GALEX/SDSS matched source catalogs, and classification of the UV sources
Luciana Bianchi, Lino Rodriguez-Merino, Maurice Viton +30
We use the Galaxy Evolution Explorer (GALEX) Medium and All-Sky-Imaging Survey (MIS & AIS) data from the first public data release (GR1), matched to the Sloan Digital Sky Survey (S…
Suppression of star formation in early-type galaxies by feedback from supermassive black holes
Kevin Schawinski, Sadegh Khochfar, Sugata Kaviraj +21
Detailed high-resolution observations of the innermost regions of nearby galaxies have revealed the presence of supermassive black holes1. These black holes may interact with their…
The All-wavelength Extended Groth Strip International Survey (AEGIS) Data Sets
M. Davis, P. Guhathakurta, N. Konidaris +53
In this the first of a series of Letters, we present a description of the panchromatic data sets that have been acquired in the Extended Groth Strip region of the sky. Our survey,…
Dissecting Galaxy Colors with GALEX, SDSS, and Spitzer
B. D. Johnson, D. Schiminovich, M. Seibert +21
We combine data from SDSS and the GALEX and Spitzer observatories to create a sample of galaxies observed homogeneously from the UV to the Far-IR. This sample, consisting of ~460 g…
The Metal-Poor Halo of the Andromeda Spiral Galaxy (M31)
J. S. Kalirai, K. M. Gilbert, P. Guhathakurta +6
We present spectroscopic observations of red giant branch (RGB) stars over a large expanse in the halo of the Andromeda spiral galaxy (M31), acquired with the DEIMOS instrument on…
High resolution infrared spectroscopy of the old open cluster NGC6791
L. Origlia, E. Valenti, R. M. Rich +1
We report abundance analysis for 6 M giant members of the old open cluster NGC6791, based on infrared spectroscopy (1.5-1.8 micron) at R=25,000, using the NIRSPEC spectrograph at t…
GALEX Observations of "Passive Spirals" in the Cluster Cl 0024+17: Clues to the Formation of S0 Galaxies
Sean M. Moran, Richard S. Ellis, Tommaso Treu +4
We present new results from deep GALEX UV imaging of the cluster Cl 0024+17 at z~0.4. Rest-frame far UV emission is detected from a large fraction of so-called ``passive spiral gal…
The effect of environment on the UV colour-magnitude relation of early-type galaxies
K. Schawinski, S. Kaviraj, S. Khochfar +23
We use \textit{GALEX} (Galaxy Evolution Explorer) near-UV (NUV) photometry of a sample of early-type galaxies selected in \textit{SDSS} (Sloan Digital Sky Survey) to study the UV c…
Star formation in the nearby universe: the ultraviolet and infrared points of view
J. Iglesias-Paramo, V. Buat, T. T. Takeuchi +27
This work presents the main ultraviolet (UV) and far-infrared (FIR) properties of two samples of nearby galaxies selected from the GALEX (Å, hereafter NUV) and IRAS ($λ= 6…
Better age estimations using UV-optical colours: breaking the age-metallicity degeneracy
S. Kaviraj, S. -C. Rey, R. M. Rich +3
We demonstrate that the combination of GALEX UV photometry in the FUV (~1530 angstroms) and NUV (~2310 angstroms) passbands with optical photometry in the standard U,B,V,R,I filter…
UV-optical colours as probes of early-type galaxy evolution
S. Kaviraj, K. Schawinski, J. E. G. Devriendt +25
We have studied ~2100 early-type galaxies in the SDSS DR3 which have been detected by the GALEX Medium Imaging Survey (MIS), in the redshift range 0 < z < 0.11. Combining GALEX UV…
The Galaxy Hosts and Large-Scale Environments of Short-Hard Gamma-Ray Bursts
J. X. Prochaska, J. S. Bloom, H. -W. Chen +8
The rapid succession of discovery of short--duration hard--spectrum GRBs has led to unprecedented insights into the energetics of the explosion and nature of the progenitors. Yet s…
UV properties of early-type galaxies in the Virgo cluster
A. Boselli, L. Cortese, J. M. Deharveng +11
We study the UV properties of a volume limited sample of early-type galaxies in the Virgo cluster combining new GALEX far- (1530 A) and near-ultraviolet (2310 A) data with spectro-…