Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR2.6k papers
- University of California, BerkeleyUS2.5k papers
- The Ohio State UniversityUS2.3k papers
- University of ArizonaUS2.1k papers
- Lawrence Berkeley National LaboratoryUS2.1k papers
- SLAC National Accelerator LaboratoryUS2k papers
- University of California, IrvineUS2k papers
- Yale UniversityUS1.9k papers
- University of Wisconsin–MadisonUS1.9k papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR1.9k papers
- McGill UniversityCA1.9k papers
- University of ChicagoUS1.9k papers
71 papers · 2 filters
Studying the Ultraviolet Spectrum of the First Spectroscopically Confirmed Supernova at redshift two
M. Smith, M. Sullivan, R. C. Nichol +87
We present observations of DES16C2nm, the first spectroscopically confirmed hydrogen-free superluminous supernova (SLSN-I) at redshift z~2. DES16C2nm was discovered by the Dark Ene…
Extended gamma-ray sources around pulsars constrain the origin of the positron flux at Earth
A. U. Abeysekara, A. Albert, R. Alfaro +113
The unexpectedly high flux of cosmic ray positrons detected at Earth may originate from nearby astrophysical sources, dark matter, or unknown processes of cosmic-ray secondary prod…
Exploring the Carbon Simmering Phase: Reaction Rates, Mixing, and the Convective Urca Process
Josiah Schwab, Héctor Martínez-Rodríguez, Anthony L. Piro +1
The neutron excess at the time of explosion provides a powerful discriminant among models of Type Ia supernovae. Recent calculations of the carbon simmering phase in single degener…
The early detection and follow-up of the highly obscured Type II supernova 2016ija/DLT16am
L. Tartaglia, D. J. Sand, S. Valenti +45
We present our analysis of the Type II supernova DLT16am (SN~2016ija). The object was discovered during the ongoing (DLT40) one day cadence supernova search a…
The Foundation Supernova Survey: Motivation, Design, Implementation, and First Data Release
Ryan J. Foley, Daniel Scolnic, Armin Rest +25
The Foundation Supernova Survey aims to provide a large, high-fidelity, homogeneous, and precisely-calibrated low-redshift Type Ia supernova (SN Ia) sample for cosmology. The calib…
2FGL J0846.0+2820: A new neutron star binary with a giant secondary and variable -ray emission
Samuel J. Swihart, Jay Strader, Tyrel J. Johnson +11
We present optical photometric and spectroscopic observations of the likely stellar counterpart to the unassociated \emph{Fermi}-Large Area Telescope (LAT) -ray source 2FGL J084…
A Search for Dark Matter in the Galactic Halo with HAWC
A. U. Abeysekara, A. M. Albert, R. Alfaro +100
The High Altitude Water Cherenkov (HAWC) gamma-ray observatory is a wide field-of-view observatory sensitive to 500 GeV - 100 TeV gamma rays and cosmic rays. With its observations…
All-particle cosmic ray energy spectrum measured by the HAWC experiment from 10 to 500 TeV
HAWC Collaboration, R. Alfaro, C. Alvarez +98
We report on the measurement of the all-particle cosmic ray energy spectrum with the High Altitude Water Cherenkov (HAWC) Observatory in the energy range 10 to 500 TeV. HAWC is a g…
The Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/VIRGO GW170817. II. UV, Optical, and Near-IR Light Curves and Comparison to Kilonova Models
P. S. Cowperthwaite, E. Berger, V. A. Villar +141
We present UV, optical, and NIR photometry of the first electromagnetic counterpart to a gravitational wave source from Advanced LIGO/Virgo, the binary neutron star merger GW170817…
Origin of the heavy elements in binary neutron-star mergers from a gravitational wave event
Daniel Kasen, Brian Metzger, Jennifer Barnes +2
The cosmic origin of the elements heavier than iron has long been uncertain. Theoretical modelling shows that the matter that is expelled in the violent merger of two neutron stars…
The Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/VIRGO GW170817. IV. Detection of Near-infrared Signatures of r-process Nucleosynthesis with Gemini-South
R. Chornock, E. Berger, D. Kasen +26
We present a near-infrared spectral sequence of the electromagnetic counterpart to the binary neutron star merger GW170817 detected by Advanced LIGO/Virgo. Our dataset comprises se…
A Neutron Star Binary Merger Model for GW170817/GRB170817a/SSS17a
Ariadna Murguia-Berthier, Enrico Ramirez-Ruiz, Charles D. Kilpatrick +14
The merging neutron star gravitational wave event GW170817 has been observed throughout the entire electromagnetic spectrum from radio waves to -rays. The resulting energetics,…
Swope Supernova Survey 2017a (SSS17a), the Optical Counterpart to a Gravitational Wave Source
D. A. Coulter, R. J. Foley, C. D. Kilpatrick +14
On 2017 August 17, the Laser Interferometer Gravitational-wave Observatory (LIGO) and the Virgo interferometer detected gravitational waves emanating from a binary neutron star mer…
Light Curves of the Neutron Star Merger GW170817/SSS17a: Implications for R-Process Nucleosynthesis
M. R. Drout, A. L. Piro, B. J. Shappee +41
On 2017 August 17, gravitational waves were detected from a binary neutron star merger, GW170817, along with a coincident short gamma-ray burst, GRB170817A. An optical transient so…
The Unprecedented Properties of the First Electromagnetic Counterpart to a Gravitational Wave Source
Matthew R. Siebert, Ryan J. Foley, Maria R. Drout +15
We discovered Swope Supernova Survey 2017a (SSS17a) in the LIGO/Virgo Collaboration (LVC) localization volume of GW170817, the first detected binary neutron star (BNS) merger, only…
Electromagnetic Evidence that SSS17a is the Result of a Binary Neutron Star Merger
Charles D. Kilpatrick, Ryan J. Foley, Daniel Kasen +18
11 hours after the detection of gravitational wave source GW170817 by the Laser Interferometer Gravitational-Wave Observatory and Virgo Interferometers, an associated optical trans…
Early Spectra of the Gravitational Wave Source GW170817: Evolution of a Neutron Star Merger
B. J. Shappee, J. D. Simon, M. R. Drout +33
On 2017 August 17, Swope Supernova Survey 2017a (SSS17a) was discovered as the optical counterpart of the binary neutron star gravitational wave event GW170817. We report time-seri…
An Empirical Study of Contamination in Deep, Rapid, and Wide-Field Optical Follow-Up of Gravitational Wave Events
P. S. Cowperthwaite, E. Berger, A. Rest +10
We present an empirical study of contamination in deep, rapid, and wide-field optical follow-up searches of GW sources from aLIGO. We utilize dedicated observations during four nig…
High Resolution Study of Presupernova Compactness
Tuguldur Sukhbold, Stan Woosley, Alexander Heger
The density structure surrounding the iron core of a massive star when it dies is known to have a major effect on whether or not the star explodes. Here we repeat previous surveys…
Inflows, Outflows, and a Giant Donor in the Remarkable Recurrent Nova M31N 2008-12a? - Hubble Space Telescope Photometry of the 2015 Eruption
M. J. Darnley, R. Hounsell, P. Godon +14
The recurrent nova M31N 2008-12a experiences annual eruptions, contains a near-Chandrasekhar mass white dwarf, and has the largest mass accretion rate in any nova system. In this p…
Discovery of very-high-energy emission from RGB J2243+203 and derivation of its redshift upper limit
A. U. Abeysekara, S. Archambault, A. Archer +67
Very-high-energy (VHE; 100 GeV) gamma-ray emission from the blazar RGB J2243+203 was discovered with the VERITAS Cherenkov telescope array, during the period between 21 and 24…
Constraints on Cosmic-ray Acceleration Efficiency in Balmer Shocks of Two Young Type Ia Supernova Remnants in the Large Magellanic Cloud
Luke Hovey, John P. Hughes, Curtis McCully +2
We present results from an optical study of two young Balmer-dominated remnants of SNIa in the Large Magellanic Cloud, 050967.5 and 051969.0, in an attempt to search for sign…
Very-High-Energy -Ray Observations of the Blazar 1ES 2344+514 with VERITAS
C. Allen, S. Archambault, A. Archer +79
We present very-high-energy -ray observations of the BL Lac object 1ES 2344+514 taken by the Very Energetic Radiation Imaging Telescope Array System (VERITAS) between 2007 and 2…
The Formation of Rapidly Rotating Black Holes in High Mass X-ray Binaries
Aldo Batta, Enrico Ramirez-Ruiz, Chris Fryer
High mass X-ray binaries (HMXRBs) like Cygnus X-1, host some of the most rapidly spinning black holes (BHs) known to date, reaching spin parameters . However, there…