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The GALEX Time Domain Survey I. Selection and Classification of Over a Thousand UV Variable Sources
S. Gezari, D. C. Martin, K. Forster +15
We present the selection and classification of over a thousand ultraviolet (UV) variable sources discovered in ~ 40 deg^2 of GALEX Time Domain Survey (TDS) NUV images observed with…
Gas, Stars and Star Formation in ALFALFA Dwarf Galaxies
S. Huang, M. P. Haynes, R. Giovanelli +3
We examine the global properties of the stellar and HI components of 229 low HI mass dwarf galaxies extracted from the ALFALFA survey, including a complete sample of 176 galaxies w…
The Extreme Hosts of Extreme Supernovae
James D. Neill, Mark Sullivan, Avishay Gal-Yam +22
We use GALEX ultraviolet (UV) and optical integrated photometry of the hosts of seventeen luminous supernovae (LSNe, having peak M_V < -21) and compare them to a sample of 26,000 g…
The UV-Optical Color Dependence of Galaxy Clustering in the Local Universe
Yeong-Shang Loh, R. Michael Rich, Sébastien Heinis +22
We measure the UV-optical color dependence of galaxy clustering in the local universe. Using the clean separation of the red and blue sequences made possible by the NUV - r color-m…
NGC 404, A Rejuvenated Lenticular Galaxy on a Merger-Induced, Blueward Excursion into the Green Valley
David A. Thilker, Luciana Bianchi, David Schiminovich +14
We have discovered recent star formation in the outermost portion (1-4x R_25) of the nearby lenticular (S0) galaxy NGC 404 using GALEX UV imaging. FUV-bright sources are strongly c…
The Local Hosts of Type Ia Supernovae
James D. Neill, Mark Sullivan, D. Andy Howell +18
We use multi-wavelength, matched aperture, integrated photometry from GALEX, SDSS and the RC3 to estimate the physical properties of 166 nearby galaxies hosting 168 well-observed T…
Tidal Dwarf Galaxies around a Post-merger Galaxy, NGC 4922
Yun-Kyeong Sheen, Hyunjin Jeong, Sukyoung K. Yi +20
One possible channel for the formation of dwarf galaxies involves birth in the tidal tails of interacting galaxies. We report the detection of a bright UV tidal tail and several yo…
Probing the Intermediate-Age Globular Clusters in NGC 5128 from Ultraviolet Observations
Soo-Chang Rey, Sangmo T. Sohn, Michael A. Beasley +23
We explore the age distribution of the globular cluster (GC) system of the nearby elliptical galaxy NGC 5128 using ultraviolet (UV) photometry from Galaxy Evolution Explorer (GALEX…
Spatial Clustering from GALEX-SDSS samples: Star Formation History and large-scale clustering
Sebastien Heinis, Tamas Budavari, Alex S. Szalay +19
We measure the projected spatial correlation function w_p(r_p) from a large sample combining GALEX ultraviolet imaging with the SDSS spectroscopic sample. We study the dependence o…
GALEX-SDSS Catalogs for Statistical Studies
T. Budavari, S. Heinis, A. S. Szalay +23
We present a detailed study of the Galaxy Evolution Explorer's photometric catalogs with special focus on the statistical properties of the All-sky and Medium Imaging Surveys. We i…
The Star Formation Law at Low Surface Density
Ted K. Wyder, D. Christopher Martin, Tom A. Barlow +16
We investigate the nature of the star formation law at low gas surface densities using a sample of 19 low surface brightness (LSB) galaxies with existing HI maps in the literature,…