Hydrodynamic and Magnetohydrodynamic Simulations of Wire Turbulence. (arXiv:1902.05063v1 [physics.flu-dyn])

Hydrodynamic and Magnetohydrodynamic Simulations of Wire Turbulence. (arXiv:1902.05063v1 [physics.flu-dyn]) <a href="http://arxiv.org/find/physics/1/au:+Fogerty_E/0/1/0/all/0/1">Erica Fogerty</a>, <a href="http://arxiv.org/find/physics/1/au:+Liu_B/0/1/0/all/0/1">Baowei Liu</a>, <a href="http://arxiv.org/find/physics/1/au:+Frank_A/0/1/0/all/0/1">Adam Frank</a>, <a href="http://arxiv.org/find/physics/1/au:+Carroll_Nellenback_J/0/1/0/all/0/1">Jonathan Carroll-Nellenback</a>, <a href="http://arxiv.org/find/physics/1/au:+Lebedev_S/0/1/0/all/0/1">Sergey Lebedev</a> We report on simulations of laboratory experiments in which magnetized supersonic flows are driven through a wire mesh. The goal of the study was to investigate the ability of such a […]

X-Ray Spectral Variability of Ultraluminous X-Ray Sources in Extragalactic Globular Clusters. (arXiv:1902.05073v1 [astro-ph.HE])

X-Ray Spectral Variability of Ultraluminous X-Ray Sources in Extragalactic Globular Clusters. (arXiv:1902.05073v1 [astro-ph.HE]) <a href="http://arxiv.org/find/astro-ph/1/au:+Dage_K/0/1/0/all/0/1">Kristen C. Dage</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Zepf_S/0/1/0/all/0/1">Stephen E. Zepf</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Peacock_M/0/1/0/all/0/1">Mark B. Peacock</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bahramian_A/0/1/0/all/0/1">Arash Bahramian</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Noroozi_O/0/1/0/all/0/1">Omid Noroozi</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Kundu_A/0/1/0/all/0/1">Arunav Kundu</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Maccarone_T/0/1/0/all/0/1">Thomas J. Maccarone</a> A number of ultraluminous X-ray sources (ULXs) are physically associated with extragalactic globular clusters (GCs). We undertake […]

Revisiting the Dark Photon Explanation of the Muon g-2 Anomaly. (arXiv:1902.05075v1 [hep-ph])

Revisiting the Dark Photon Explanation of the Muon g-2 Anomaly. (arXiv:1902.05075v1 [hep-ph]) <a href="http://arxiv.org/find/hep-ph/1/au:+Mohlabeng_G/0/1/0/all/0/1">Gopolang Mohlabeng</a> A massive $U(1)^{prime}$ gauge boson, “dark photon” or $A^{prime}$, has long been proposed as a potential explanation of the muon $g-2$ anomaly ($g_{mu} – 2$). However, recent experimental results have excluded this possibility for a dark photon exhibiting exclusively visible […]

Modelling the observed luminosity function and clustering evolution of Lyman-$alpha$ emitters: growing evidence for late reionization. (arXiv:1902.05077v1 [astro-ph.GA])

Modelling the observed luminosity function and clustering evolution of Lyman-$alpha$ emitters: growing evidence for late reionization. (arXiv:1902.05077v1 [astro-ph.GA]) <a href="http://arxiv.org/find/astro-ph/1/au:+Weinberger_L/0/1/0/all/0/1">Lewis H. Weinberger</a> (IoA, Cambridge), <a href="http://arxiv.org/find/astro-ph/1/au:+Haehnelt_M/0/1/0/all/0/1">Martin G. Haehnelt</a> (IoA, Cambridge), <a href="http://arxiv.org/find/astro-ph/1/au:+Kulkarni_G/0/1/0/all/0/1">Girish Kulkarni</a> (TIFR, Mumbai) We model the high redshift (z > 5) Lyman-$alpha$ emitting (LAE) galaxy population using the empirical rest-frame equivalent width distribution. […]

Constraining the neutron star equation of state using multi-band independent measurements of radii and tidal deformabilities. (arXiv:1902.05078v1 [astro-ph.HE])

Constraining the neutron star equation of state using multi-band independent measurements of radii and tidal deformabilities. (arXiv:1902.05078v1 [astro-ph.HE]) <a href="http://arxiv.org/find/astro-ph/1/au:+Fasano_M/0/1/0/all/0/1">Margherita Fasano</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Abdelsalhin_T/0/1/0/all/0/1">Tiziano Abdelsalhin</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Maselli_A/0/1/0/all/0/1">Andrea Maselli</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Ferrari_V/0/1/0/all/0/1">Valeria Ferrari</a> Using a Bayesian approach, we combine measurements of neutron star macroscopic observables obtained by astrophysical and gravitational observations, to derive joint constraints on the equation […]

Using Commensurabilities and Orbit Structure to Understand Barred Galaxy Evolution. (arXiv:1902.05081v1 [astro-ph.GA])

Using Commensurabilities and Orbit Structure to Understand Barred Galaxy Evolution. (arXiv:1902.05081v1 [astro-ph.GA]) <a href="http://arxiv.org/find/astro-ph/1/au:+Petersen_M/0/1/0/all/0/1">Michael S. Petersen</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Weinberg_M/0/1/0/all/0/1">Martin D. Weinberg</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Katz_N/0/1/0/all/0/1">Neal Katz</a> We interpret simulations of secularly-evolving disc galaxies through orbit morphology. Using a new geometric algorithm that rapidly isolates commensurate (resonant) orbits, we identify phase-space regions occupied by different orbital families. Compared to […]

$R_h=ct$ and the eternal coasting cosmological model. (arXiv:1902.05088v1 [astro-ph.CO])

$R_h=ct$ and the eternal coasting cosmological model. (arXiv:1902.05088v1 [astro-ph.CO]) <a href="http://arxiv.org/find/astro-ph/1/au:+John_M/0/1/0/all/0/1">Moncy V. John</a> We point out that the nonempty $R_h=ct$ cosmological model has some known antecedents in the literature. Some of those eternal coasting models are published even before the discovery of the accelerated expansion of the universe and were shown to have none of […]

Hunting for the Dark Matter Wake Induced by the Large Magellanic Cloud. (arXiv:1902.05089v1 [astro-ph.GA])

Hunting for the Dark Matter Wake Induced by the Large Magellanic Cloud. (arXiv:1902.05089v1 [astro-ph.GA]) <a href="http://arxiv.org/find/astro-ph/1/au:+Garavito_Camargo_N/0/1/0/all/0/1">Nicolas Garavito-Camargo</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Besla_G/0/1/0/all/0/1">Gurtina Besla</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Laporte_C/0/1/0/all/0/1">Chervin F.P Laporte</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Johnston_K/0/1/0/all/0/1">Kathryn V. Johnston</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Gomez_F/0/1/0/all/0/1">Facundo A. G&#xf3;mez</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Watkins_L/0/1/0/all/0/1">Laura L. Watkins</a> Satellite galaxies are predicted to generate gravitational density wakes as they orbit within the dark matter (DM) halos of […]

Herschel water maps towards the vicinity of the black hole Sgr A*. (arXiv:1902.05098v1 [astro-ph.GA])

Herschel water maps towards the vicinity of the black hole Sgr A*. (arXiv:1902.05098v1 [astro-ph.GA]) <a href="http://arxiv.org/find/astro-ph/1/au:+Armijos_Abendano_J/0/1/0/all/0/1">J. Armijos-Abenda&#xf1;o</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Martin_Pintado_J/0/1/0/all/0/1">J. Mart&#xed;n-Pintado</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Requena_Torres_M/0/1/0/all/0/1">M. A. Requena-Torres</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Gonzalez_Alfonso_E/0/1/0/all/0/1">E. Gonz&#xe1;lez-Alfonso</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Gusten_R/0/1/0/all/0/1">R. G&#xfc;sten</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Wei%5Css_A/0/1/0/all/0/1">A. Wei&#xdf;</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Harris_A/0/1/0/all/0/1">A. I. Harris</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Israel_F/0/1/0/all/0/1">F. P. Israel</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Kramer_C/0/1/0/all/0/1">C. Kramer</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Stutzki_J/0/1/0/all/0/1">J. Stutzki</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Werf_P/0/1/0/all/0/1">P. van der Werf</a> Aims: We study […]

The source number counts at high energies: SWIFT vs. NuSTAR. (arXiv:1902.05137v1 [astro-ph.HE])

The source number counts at high energies: SWIFT vs. NuSTAR. (arXiv:1902.05137v1 [astro-ph.HE]) <a href="http://arxiv.org/find/astro-ph/1/au:+Akylas_A/0/1/0/all/0/1">A. Akylas</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Georgantopoulos_I/0/1/0/all/0/1">I. Georgantopoulos</a> (IAASARS, National Observatory of Athens) The hard X-ray sky at energies above 10 keV, has been extensively explored by the Swift and the NuSTAR missions in the 14-195 keV and the 3-24 keV bands respectively. The major […]

Discovery of Strongly-lensed Gravitational Waves – Implications for the LSST Observing Strategy. (arXiv:1902.05140v1 [astro-ph.HE])

Discovery of Strongly-lensed Gravitational Waves – Implications for the LSST Observing Strategy. (arXiv:1902.05140v1 [astro-ph.HE]) <a href="http://arxiv.org/find/astro-ph/1/au:+Smith_G/0/1/0/all/0/1">Graham P. Smith</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Robertson_A/0/1/0/all/0/1">Andrew Robertson</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bianconi_M/0/1/0/all/0/1">Matteo Bianconi</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Jauzac_M/0/1/0/all/0/1">Mathilde Jauzac</a> (on behalf of the LSST Strong Lensing Science Collaboration and the Gravitationally Lensed Gravitational Wave Hunters) LSST’s wide-field of view and sensitivity will revolutionize studies of the transient […]

Strong Lensing considerations for the LSST observing strategy. (arXiv:1902.05141v1 [astro-ph.GA])

Strong Lensing considerations for the LSST observing strategy. (arXiv:1902.05141v1 [astro-ph.GA]) <a href="http://arxiv.org/find/astro-ph/1/au:+Verma_A/0/1/0/all/0/1">Aprajita Verma</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Collett_T/0/1/0/all/0/1">Thomas Collett</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Smith_G/0/1/0/all/0/1">Graham P. Smith</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Collaboration_Strong_Lensing_Science/0/1/0/all/0/1">Strong Lensing Science Collaboration</a>, the <a href="http://arxiv.org/find/astro-ph/1/au:+Group_DESC_Strong_Lensing_Science_Working/0/1/0/all/0/1">DESC Strong Lensing Science Working Group</a> Strong gravitational lensing enables a wide range of science: probing cosmography; testing dark matter models; understanding galaxy evolution; and magnifying the faint, […]

Dust unveils the formation of a mini-Neptune planet in a protoplanetary ring. (arXiv:1902.05143v1 [astro-ph.EP])

Dust unveils the formation of a mini-Neptune planet in a protoplanetary ring. (arXiv:1902.05143v1 [astro-ph.EP]) <a href="http://arxiv.org/find/astro-ph/1/au:+Perez_S/0/1/0/all/0/1">Sebasti&#xe1;n P&#xe9;rez</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Casassus_S/0/1/0/all/0/1">Simon Casassus</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Baruteau_C/0/1/0/all/0/1">Cl&#xe9;ment Baruteau</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Dong_R/0/1/0/all/0/1">Ruobing Dong</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Hales_A/0/1/0/all/0/1">Antonio Hales</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Cieza_L/0/1/0/all/0/1">Lucas Cieza</a> Rings and radial gaps are ubiquitous in protoplanetary disks. Their possible connection to planet formation is currently subject to intense debate. In principle, […]

The Origin of Kepler-419b: A Path to Tidal Migration Via Four-body Secular Interactions. (arXiv:1902.05144v1 [astro-ph.EP])

The Origin of Kepler-419b: A Path to Tidal Migration Via Four-body Secular Interactions. (arXiv:1902.05144v1 [astro-ph.EP]) <a href="http://arxiv.org/find/astro-ph/1/au:+Jackson_J/0/1/0/all/0/1">Jonathan M. Jackson</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Dawson_R/0/1/0/all/0/1">Rebekah I. Dawson</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Zalesky_J/0/1/0/all/0/1">Joseph Zalesky</a> We test the high-eccentricity tidal migration scenario for Kepler-419b, a member of the eccentric warm Jupiter class of planets whose origin is debated. Kepler-419 hosts two known planets (b,c). […]

GROJ1750-27: a neutron star far behind the Galactic Center switching into the propeller regime. (arXiv:1902.05153v1 [astro-ph.HE])

GROJ1750-27: a neutron star far behind the Galactic Center switching into the propeller regime. (arXiv:1902.05153v1 [astro-ph.HE]) <a href="http://arxiv.org/find/astro-ph/1/au:+Lutovinov_A/0/1/0/all/0/1">A.Lutovinov</a> (1), <a href="http://arxiv.org/find/astro-ph/1/au:+Tsygankov_S/0/1/0/all/0/1">S.Tsygankov</a> (2,1), <a href="http://arxiv.org/find/astro-ph/1/au:+Karasev_D/0/1/0/all/0/1">D.Karasev</a> (1), <a href="http://arxiv.org/find/astro-ph/1/au:+Molkov_S/0/1/0/all/0/1">S.Molkov</a> (1), <a href="http://arxiv.org/find/astro-ph/1/au:+Doroshenko_V/0/1/0/all/0/1">V.Doroshenko</a> (3) (1 – Space Research Institute, Moscow, 2 – University of Turku, 3 – Institut f&#xfc;r Astronomie und Astrophysik, T&#xfc;bingen) We report on analysis of […]

Non-thermal emission from the interaction of magnetized exoplanets with the wind of their host star. (arXiv:1902.05165v1 [astro-ph.EP])

Non-thermal emission from the interaction of magnetized exoplanets with the wind of their host star. (arXiv:1902.05165v1 [astro-ph.EP]) <a href="http://arxiv.org/find/astro-ph/1/au:+Wang_X/0/1/0/all/0/1">Xiawei Wang</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Loeb_A/0/1/0/all/0/1">Abraham Loeb</a> We study the non-thermal emission from the interaction between magnetized Jupiter-like exoplanets and the wind from their host star. The supersonic motion of planets through the wind forms a bow shock that […]

A Comparison of Photometric Redshift Techniques for Large Radio Surveys. (arXiv:1902.05188v1 [astro-ph.IM])

A Comparison of Photometric Redshift Techniques for Large Radio Surveys. (arXiv:1902.05188v1 [astro-ph.IM]) <a href="http://arxiv.org/find/astro-ph/1/au:+Norris_R/0/1/0/all/0/1">Ray P. Norris</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Salvato_M/0/1/0/all/0/1">M. Salvato</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Longo_G/0/1/0/all/0/1">G. Longo</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Brescia_M/0/1/0/all/0/1">M. Brescia</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Budavari_T/0/1/0/all/0/1">T. Budavari</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Carliles_S/0/1/0/all/0/1">S. Carliles</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Cavuoti_S/0/1/0/all/0/1">S. Cavuoti</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Farrah_D/0/1/0/all/0/1">D. Farrah</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Geach_J/0/1/0/all/0/1">J. Geach</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Luken_K/0/1/0/all/0/1">K. Luken</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Musaeva_A/0/1/0/all/0/1">A. Musaeva</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Polsterer_K/0/1/0/all/0/1">K. Polsterer</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Riccio_G/0/1/0/all/0/1">G. Riccio</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Seymour_N/0/1/0/all/0/1">N. Seymour</a>, […]

Investigation of the asteroid-neutron star collision model for the repeating fast radio bursts. (arXiv:1902.05203v1 [astro-ph.HE])

Investigation of the asteroid-neutron star collision model for the repeating fast radio bursts. (arXiv:1902.05203v1 [astro-ph.HE]) <a href="http://arxiv.org/find/astro-ph/1/au:+Smallwood_J/0/1/0/all/0/1">Jeremy L. Smallwood</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Martin_R/0/1/0/all/0/1">Rebecca G. Martin</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Zhang_B/0/1/0/all/0/1">Bing Zhang</a> The origin of fast radio bursts (FRBs) is still a mystery. One model proposed to interpret the only known repeating object, FRB 121102, is that the radio emission is […]

An enigmatic hump around 30 keV in Suzaku spectra of Aquila X-1 in the Hard State. (arXiv:1902.05225v1 [astro-ph.HE])

An enigmatic hump around 30 keV in Suzaku spectra of Aquila X-1 in the Hard State. (arXiv:1902.05225v1 [astro-ph.HE]) <a href="http://arxiv.org/find/astro-ph/1/au:+Kubota_M/0/1/0/all/0/1">Megu Kubota</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Tamagawa_T/0/1/0/all/0/1">Toru Tamagawa</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Makishima_K/0/1/0/all/0/1">Kazuo Makishima</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Nakano_T/0/1/0/all/0/1">Toshio Nakano</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Iwakiri_W/0/1/0/all/0/1">Wataru Iwakiri</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Sugizaki_M/0/1/0/all/0/1">Mutsumi Sugizaki</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Ko_O/0/1/0/all/0/1">Ono Ko</a> The typical accreting neutron star, Aquila X-1, was observed with Suzaku seven times in the decay […]