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33 papers · 1 filter
Project Lyman
Stephan R. McCandliss, Jeffrey W. Kruk, William P. Blair +20
We explore the design of a space mission, Project Lyman, which has the goal of quantifying the ionization history of the universe from the present epoch to a redshift of z ~ 3. Obs…
ALICE: The Ultraviolet Imaging Spectrograph aboard the New Horizons Pluto-Kuiper Belt Mission
S. Alan Stern, David C. Slater, John Scherrer +8
The New Horizons ALICE instrument is a lightweight (4.4 kg), low-power (4.4 Watt) imaging spectrograph aboard the New Horizons mission to Pluto/Charon and the Kuiper Belt. Its prim…
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 (…
The detection of M-dwarf UV flare events in the GALEX data archives
Barry Y. Welsh, Jonathan M. Wheatley, Mark Seibert +13
We present the preliminary results from implementing a new software tool that enables inspection of time-tagged photon data for the astronomical sources contained within individual…
UV and FIR selected star-forming galaxies at z=0: differences and overlaps
C. Kevin Xu, Veronique Buat, Jorge Iglesias-Páramo +22
We study two samples of local galaxies, one is UV (GALEX) selected and the other FIR (IRAS) selected, to address the question whether UV and FIR surveys see the two sides ('bright'…
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…
GALEX Observations of an Energetic Ultraviolet Flare on the dM4e Star GJ 3685A
Richard D. Robinson, Jonathan M. Wheatley, Barry Y. Welsh +23
The Galaxy Evolution Explorer (GALEX) satellite has obtained high time resolution ultraviolet photometry during a large flare on the M4 dwarf star GJ 3685A. Simultaneous NUV (1750…
The Galex Ultraviolet Variability (GUVV) Catalog
Barry Y. Welsh, Jonathan M. Wheatley, Kenneth Heafield +24
We present Version 1.0 of the NASA Galaxy Evolution Explorer (GALEX) ultraviolet variability catalog (GUVV) that contains information on 84 time-variable and transient sources gain…
The GALEX UV luminosity function of the cluster of galaxies Abell 1367
L. Cortese, A. Boselli, G. Gavazzi +24
We present the GALEX NUV (2310 A) and FUV (1530 A) galaxy luminosity functions of the nearby cluster of galaxies A1367 in the magnitude range -20.3< M_AB < -13.3. The luminosity fu…
GALEX UV observations of the interacting galaxy NGC 4438 in the Virgo cluster
A. Boselli, S. Boissier, L. Cortese +26
We present GALEX NUV (2310 A) and FUV (1530 A) images of the interacting galaxy NGC 4438 (Arp 120) in the center of the Virgo cluster. These images show an extended (20 kpc) tidal…
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…
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…
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…
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 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…