1k citations · 12.5k across the 215 of their papers we have counts for
62 papers · 1 filter
Swift-UVOT captures the earliest ultraviolet spectrum of a Gamma Ray Burst
N. P. M. Kuin, W. B. Landsman, M. J. Page +22
We present the earliest ever ultraviolet spectrum of a gamma-ray burst (GRB) as observed with the Swift-UVOT. The GRB 081203A spectrum was observed for 50 seconds with the UV grism…
The First Swift Ultra-Violet/Optical Telescope GRB Afterglow Catalog
P. W. A. Roming, T. S. Koch, S. R. Oates +21
We present the first Swift Ultra-Violet/Optical Telescope (UVOT) gamma-ray burst (GRB) afterglow catalog. The catalog contains data from over 64,000 independent UVOT image observat…
Spectroscopic Confirmation of Faint Lyman Break Galaxies at Redshifts Four and Five in the Hubble Ultra Deep Field
James E. Rhoads, Sangeeta Malhotra, Norbert Pirzkal +6
We present the faintest spectroscopically confirmed sample of redshift four and five Lyman break galaxies to date. The sample is based on slitless grism spectra of the Hubble Ultra…
Emission-Line Galaxies from the PEARS Hubble Ultra Deep Field: A 2-D Detection Method and First Results
Amber N. Straughn, Gerhardt R. Meurer, Norbert Pirzkal +11
The Hubble Space Telescope (HST) Advanced Camera for Surveys (ACS) grism PEARS (Probing Evolution And Reionization Spectroscopically) survey provides a large dataset of low-resolut…
Spitzer Constraints on the Stellar Populations of Lyman-Alpha Emitting Galaxies at z = 3.1
Kamson Lai, Jia-Sheng Huang, Giovanni Fazio +8
We investigate the stellar populations of a sample of 162 Lyman-alpha emitting galaxies (LAEs) at z = 3.1 in the Extended Chandra Deep Field South, using deep Spitzer IRAC data ava…
Photometric Calibration of the Swift Ultraviolet/Optical Telescope
T. S. Poole, A. A. Breeveld, M. J. Page +28
We present the photometric calibration of the Swift UltraViolet/Optical Telescope (UVOT) which includes: optimum photometric and background apertures, effective area curves, colour…
Ly-alpha Emission-Line Galaxies at z = 3.1 in the Extended Chandra Deep Field South
C. Gronwall, R. Ciardullo, T. Hickey +13
We describe the results of an extremely deep, 0.28 deg^2 survey for z = 3.1 Ly-alpha emission-line galaxies in the Extended Chandra Deep Field South. By using a narrow-band 5000 An…
Automated selection and characterization of emission-line sources in ACS WFC grism data
Gerhardt R. Meurer, Z. I. Tsvetanov, C. Gronwall +10
We present complimentary techniques to find emission-line targets and measure their properties in a semi-automated fashion from grism observations obtained with the Advanced Camera…
Redshifts of Emission Line Objects in the Hubble Ultra Deep Field
Chun Xu, Norbert Pirzkal, Sangeeta Malhotra +16
We present redshifts for 115 emission line objects in the Hubble Ultra Deep Field (HUDF) identified through the GRism ACS Program for Extragalactic Science (GRAPES) project using t…
Extreme Properties Of GRB061007: A Highly Energetic OR Highly Collimated Burst?
P. Schady, M. De Pasquale, J. Cummings +20
%auto-ignore This paper has been withdrawn by the authors due to dublicate submission. To download the paper please go to astro-ph/0611081
Swift observations of GRB050904: the most distant cosmic explosion ever observed
G. Cusumano, V. Mangano, G. Chincarini +30
Swift discovered the high redshift (z=6.29) GRB050904 with the Burst Alert Telescope (BAT) and began observing with its narrow field instruments 161 s after the burst onset. This g…
Swift and XMM-Newton Observations of the Extraordinary GRB 060729: An afterglow with a more than 100 days X-ray light curve
Dirk Grupe, Caryl Gronwall, Xiang-Yu Wang +8
We report the results of the Swift and XMM observations of the Swift-discovered long Gamma-Ray Burst GRB 060729 (=115s). The afterglow of this burst was exceptionally brigh…
Extreme Properties Of GRB061007: A Highly Energetic Or A Highly Collimated Burst?
P. Schady, M. De Pasquale, M. J. Page +20
GRB061007 is the brightest gamma-ray burst (GRB) to be detected by Swift and is accompanied by an exceptionally luminous afterglow that had a V-band magnitude <11.1 at 80s after th…
GRB 060313: A New Paradigm for Short-Hard Bursts?
Peter W. A. Roming, Daniel Vanden Berk, Valentin Palshin +22
We report the simultaneous observations of the prompt emission in the gamma-ray and hard X-ray bands by the Swift-BAT and the KONUS-Wind instruments of the short-hard burst, GRB 06…
Optical, Infrared, and Ultraviolet Observations of the X-Ray Flash GRB 050416A
S. T. Holland, P. T. Boyd, J. Gorosabel +25
We present ultraviolet, optical, and infrared photometry of the afterglow of the X-ray flash XRF 050416A taken between approximately 100 seconds and 36 days after the burst. We fin…
The Physical Nature of Lyman Alpha Emitting Galaxies at z=3.1
Eric Gawiser, Pieter G. van Dokkum, Caryl Gronwall +20
We selected 40 candidate Lyman Alpha Emitting galaxies (LAEs) at z ~=3.1 with observed frame equivalent widths >150A and inferred emission line fluxes >2.5x10^-17 ergs/cm^2/s from…
HST/ACS Multiband Coronagraphic Imaging of the Debris Disk around Beta Pictoris
D. A. Golimowski, D. R. Ardila, J. E. Krist +40
(Abridged.) We present F435W (B), F606W (Broad V), and F814W (Broad I) coronagraphic images of the debris disk around Beta Pictoris obtained with HST's Advanced Camera for Surveys.…
Swift-UVOT Observations of the X-Ray Flash 050406
P. Schady, K. O. Mason, J. P. Osborne +14
We present Swift-UVOT data on the optical afterglow of the X-ray flash of 2005 April 6 (XRF 050406) from 88s to \sim 10^5s after the initial prompt gamma-ray emission. Our observat…
Prompt optical observations of GRB050319 with the Swift UVOT
K. O. Mason, A. J. Blustin, P. Boyd +18
The UVOT telescope on the Swift observatory has detected optical afterglow emission from GRB 050319. The flux declines with a power law slope of alpha = -0.57 between the start of…
Morphology and evolution of emission line galaxies in the Hubble Ultra Deep Field
N. Pirzkal, C. Xu, I. Ferreras +8
We investigate the properties and evolution of a sample of galaxies selected to have prominent emission lines in low-resolution grism spectra of the Hubble Ultra Deep Field (HUDF).…
Clustering of Star-forming Galaxies Near a Radio Galaxy at z=5.2
Roderik A. Overzier, G. K. Miley, R. J. Bouwens +13
We present HST/ACS observations of the most distant radio galaxy known, TN J0924-2201 at z=5.2. This radio galaxy has 6 spectroscopically confirmed Lya emitting companion galaxies,…
Very Early Optical Afterglows of Gamma-Ray Bursts: Evidence for Relative Paucity of Detection
P. W. A. Roming, P. Schady, D. B. Fox +38
Very early observations with the Swift satellite of gamma-ray burst (GRB) afterglows reveal that the optical component is not detected in a large number of cases. This is in contra…
The KPNO International Spectroscopic Survey. V. H-alpha-selected Survey List 3
Anna Jangren, John J. Salzer, Vicki L. Sarajedini +5
The KPNO International Spectroscopic Survey (KISS) is an objective-prism survey designed to detect extragalactic emission-line objects. It combines many of the features of previous…
Ultraviolet, Optical, and X-Ray Observations of the Type Ia Supernova 2005am with Swift
P. J. Brown, S. T. Holland, C. James +21
We present ultraviolet and optical light curves in six broadband filters and grism spectra obtained by Swift's Ultraviolet/Optical Telescope for the Type Ia supernova SN2005am. The…