The CARMENES search for exoplanets around M dwarfs. Two temperate Earth-mass planet candidates around Teegarden’s Star. (arXiv:1906.07196v1 [astro-ph.EP])

The CARMENES search for exoplanets around M dwarfs. Two temperate Earth-mass planet candidates around Teegarden’s Star. (arXiv:1906.07196v1 [astro-ph.EP]) <a href="http://arxiv.org/find/astro-ph/1/au:+Zechmeister_M/0/1/0/all/0/1">M. Zechmeister</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Dreizler_S/0/1/0/all/0/1">S. Dreizler</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Ribas_I/0/1/0/all/0/1">I. Ribas</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Reiners_A/0/1/0/all/0/1">A. Reiners</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Caballero_J/0/1/0/all/0/1">J. A. Caballero</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bauer_F/0/1/0/all/0/1">F. F. Bauer</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bejar_V/0/1/0/all/0/1">V. J. S. B&#xe9;jar</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Gonzalez_Cuesta_L/0/1/0/all/0/1">L. Gonz&#xe1;lez-Cuesta</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Herrero_E/0/1/0/all/0/1">E. Herrero</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Lalitha_S/0/1/0/all/0/1">S. Lalitha</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Lopez_Gonzalez_M/0/1/0/all/0/1">M. J. […]

Ly$alpha$ Halos Around $zsim6$ Quasars. (arXiv:1906.07197v1 [astro-ph.GA])

Ly$alpha$ Halos Around $zsim6$ Quasars. (arXiv:1906.07197v1 [astro-ph.GA]) <a href="http://arxiv.org/find/astro-ph/1/au:+Drake_A/0/1/0/all/0/1">Alyssa B. Drake</a> (1), <a href="http://arxiv.org/find/astro-ph/1/au:+Farina_E/0/1/0/all/0/1">Emanuele Paolo Farina</a> (1, 2), <a href="http://arxiv.org/find/astro-ph/1/au:+Neeleman_M/0/1/0/all/0/1">Marcel Neeleman</a> (1), <a href="http://arxiv.org/find/astro-ph/1/au:+Walter_F/0/1/0/all/0/1">Fabian Walter</a> (1), <a href="http://arxiv.org/find/astro-ph/1/au:+Venemans_B/0/1/0/all/0/1">Bram Venemans</a> (1), <a href="http://arxiv.org/find/astro-ph/1/au:+Banados_E/0/1/0/all/0/1">Eduardo Banados</a> (1), <a href="http://arxiv.org/find/astro-ph/1/au:+Mazzucchelli_C/0/1/0/all/0/1">Chiara Mazzucchelli</a> (3), <a href="http://arxiv.org/find/astro-ph/1/au:+Decarli_R/0/1/0/all/0/1">Roberto Decarli</a> (4) ((1) Max Planck Institute for Astronomy, Konigstuhl, Heidelberg, Germany, (2) Max Planck Institute […]

Non-uniqueness of cosmic ray two-fluid equations at shocks and possible remedies. (arXiv:1906.07200v1 [astro-ph.HE])

Non-uniqueness of cosmic ray two-fluid equations at shocks and possible remedies. (arXiv:1906.07200v1 [astro-ph.HE]) <a href="http://arxiv.org/find/astro-ph/1/au:+Gupta_S/0/1/0/all/0/1">Siddhartha Gupta</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Sharma_P/0/1/0/all/0/1">Prateek Sharma</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Mignone_A/0/1/0/all/0/1">Andrea Mignone</a> Cosmic rays (CRs) are frequently modeled as an additional fluid in hydrodynamic (HD) and magnetohydrodynamic (MHD) simulations of astrophysical flows. The standard CR two-fluid model is described in terms of three conservation laws […]

Generalized Near Horizon Extreme Binary Black Hole Geometry. (arXiv:1906.07203v1 [hep-th])

Generalized Near Horizon Extreme Binary Black Hole Geometry. (arXiv:1906.07203v1 [hep-th]) <a href="http://arxiv.org/find/hep-th/1/au:+Ciafre_J/0/1/0/all/0/1">Jacob Ciafre</a>, <a href="http://arxiv.org/find/hep-th/1/au:+Hadar_S/0/1/0/all/0/1">Shahar Hadar</a>, <a href="http://arxiv.org/find/hep-th/1/au:+Rickenbach_E/0/1/0/all/0/1">Erin Rickenbach</a>, <a href="http://arxiv.org/find/hep-th/1/au:+Rodriguez_M/0/1/0/all/0/1">Maria J. Rodriguez</a> We present a new vacuum solution of Einstein’s equations describing the near horizon region of two neutral, extreme (zero-temperature), co-rotating, non-identical Kerr black holes. The metric is stationary, asymptotically near horizon extremal […]

Searching for Fossil Fields in the Gravity Sector. (arXiv:1906.07204v1 [astro-ph.CO])

Searching for Fossil Fields in the Gravity Sector. (arXiv:1906.07204v1 [astro-ph.CO]) <a href="http://arxiv.org/find/astro-ph/1/au:+Dimastrogiovanni_E/0/1/0/all/0/1">Emanuela Dimastrogiovanni</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Fasiello_M/0/1/0/all/0/1">Matteo Fasiello</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Tasinato_G/0/1/0/all/0/1">Gianmassimo Tasinato</a> Evidence for the presence of extra fields during inflation may be found in the anisotropies of the scalar and tensor spectra across a vast range of scales. Indeed, beyond the single-field slow-roll paradigm, a long tensor […]

KSP-OT-201611a: A Distant Population II Dwarf Nova Candidate Discovered by the KMTNet Supernova Program. (arXiv:1906.07206v1 [astro-ph.SR])

KSP-OT-201611a: A Distant Population II Dwarf Nova Candidate Discovered by the KMTNet Supernova Program. (arXiv:1906.07206v1 [astro-ph.SR]) <a href="http://arxiv.org/find/astro-ph/1/au:+Lee_Y/0/1/0/all/0/1">Youngdae Lee</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Moon_D/0/1/0/all/0/1">Dae-Sik Moon</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Kim_S/0/1/0/all/0/1">Sang Chul Kim</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Park_H/0/1/0/all/0/1">Hong Soo Park</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Cha_S/0/1/0/all/0/1">Sang-Mok Cha</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Lee_Y/0/1/0/all/0/1">Yongseok Lee</a> We present a multi-color, high-cadence photometric study of a distant dwarf nova KSP-OT-201611a discovered by the Korea Microlensing Telescope […]

POEMMA’s Target of Opportunity Sensitivity to Cosmic Neutrino Transient Sources. (arXiv:1906.07209v1 [astro-ph.HE])

POEMMA’s Target of Opportunity Sensitivity to Cosmic Neutrino Transient Sources. (arXiv:1906.07209v1 [astro-ph.HE]) <a href="http://arxiv.org/find/astro-ph/1/au:+Venters_T/0/1/0/all/0/1">Tonia M. Venters</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Reno_M/0/1/0/all/0/1">Mary Hall Reno</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Krizmanic_J/0/1/0/all/0/1">John F. Krizmanic</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Anchordoqui_L/0/1/0/all/0/1">Luis A. Anchordoqui</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Guepin_C/0/1/0/all/0/1">Claire Gu&#xe9;pin</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Olinto_A/0/1/0/all/0/1">Angela V. Olinto</a> We calculate the sensitivity of space-based cosmic neutrino detection from transient sources in the context of the Probe Of Extreme […]

Early Solar System $r$-process Abundances Limit Collapsar Origin. (arXiv:1906.07210v1 [astro-ph.HE])

Early Solar System $r$-process Abundances Limit Collapsar Origin. (arXiv:1906.07210v1 [astro-ph.HE]) <a href="http://arxiv.org/find/astro-ph/1/au:+Bartos_I/0/1/0/all/0/1">Imre Bartos</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Marka_S/0/1/0/all/0/1">Szabolcs Marka</a> Heavy elements produced exclusively through rapid neutron capture (the ‘$r$-process’) originate from violent cosmic explosions. While neutron star mergers are the primary candidates, another plausible production site are ‘collapsars’—collapsing massive stars that form a black hole with an accretion […]

Chromium Nucleosynthesis and Silicon-Carbon Shell Mergers in Massive Stars. (arXiv:1906.07218v1 [astro-ph.SR])

Chromium Nucleosynthesis and Silicon-Carbon Shell Mergers in Massive Stars. (arXiv:1906.07218v1 [astro-ph.SR]) <a href="http://arxiv.org/find/astro-ph/1/au:+Cote_B/0/1/0/all/0/1">Benoit C&#xf4;t&#xe9;</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Jones_S/0/1/0/all/0/1">Samuel Jones</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Herwig_F/0/1/0/all/0/1">Falk Herwig</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Pignatari_M/0/1/0/all/0/1">Marco Pignatari</a> We analyze the production of the element Cr in galactic chemical evolution (GCE) models using the NuGrid nucleosynthesis yields set. We show that the unusually large [Cr/Fe] abundance at [Fe/H] $approx 0$ […]

Buoyancy-Driven Entrainment in Dry Thermals. (arXiv:1906.07224v1 [physics.flu-dyn])

Buoyancy-Driven Entrainment in Dry Thermals. (arXiv:1906.07224v1 [physics.flu-dyn]) <a href="http://arxiv.org/find/physics/1/au:+McKim_B/0/1/0/all/0/1">Brett McKim</a>, <a href="http://arxiv.org/find/physics/1/au:+Jeevanjee_N/0/1/0/all/0/1">Nadir Jeevanjee</a>, <a href="http://arxiv.org/find/physics/1/au:+Lecoanet_D/0/1/0/all/0/1">Daniel Lecoanet</a> Turner (1957) proposed that dry thermals entrain because of buoyancy (via a constraint which requires an increase in the radius $a$). This however, runs counter to the scaling arguments commonly used to derive the entrainment rate, which rely on […]

X-ray and radio studies of SNR CTB 37B hosting the magnetar CXOU J171405.7-381031. (arXiv:1906.07249v1 [astro-ph.HE])

X-ray and radio studies of SNR CTB 37B hosting the magnetar CXOU J171405.7-381031. (arXiv:1906.07249v1 [astro-ph.HE]) <a href="http://arxiv.org/find/astro-ph/1/au:+Blumer_H/0/1/0/all/0/1">Harsha Blumer</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Safi_Harb_S/0/1/0/all/0/1">Samar Safi-Harb</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Kothes_R/0/1/0/all/0/1">Roland Kothes</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Rogers_A/0/1/0/all/0/1">Adam Rogers</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Gotthelf_E/0/1/0/all/0/1">Eric V. Gotthelf</a> We present a Chandra and XMM-Newton study of the SNR CTB 37B, along with archival radio observations. In radio wavelengths, CTB 37B is an […]

Superheavy Gravitinos and Ultra-High Energy Cosmic Rays. (arXiv:1906.07262v1 [astro-ph.HE])

Superheavy Gravitinos and Ultra-High Energy Cosmic Rays. (arXiv:1906.07262v1 [astro-ph.HE]) <a href="http://arxiv.org/find/astro-ph/1/au:+Meissner_K/0/1/0/all/0/1">Krzysztof A. Meissner</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Nicolai_H/0/1/0/all/0/1">Hermann Nicolai</a> We argue that the superheavy gravitinos that we had previously proposed as candidates for Dark Matter can offer a possible explanation for the ultra-high energy cosmic ray (UHECR) events observed at the Pierre Auger Observatory, via gravitino anti-gravitino annihilation […]

Spitzer Albedos of Near-Earth Objects. (arXiv:1906.07284v1 [astro-ph.EP])

Spitzer Albedos of Near-Earth Objects. (arXiv:1906.07284v1 [astro-ph.EP]) <a href="http://arxiv.org/find/astro-ph/1/au:+Gustafsson_A/0/1/0/all/0/1">Annika Gustafsson</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Trilling_D/0/1/0/all/0/1">David E. Trilling</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Mommert_M/0/1/0/all/0/1">Michael Mommert</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+McNeill_A/0/1/0/all/0/1">Andrew McNeill</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Hora_J/0/1/0/all/0/1">Joseph L. Hora</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Smith_H/0/1/0/all/0/1">Howard A. Smith</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Hellmich_S/0/1/0/all/0/1">Stephan Hellmich</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Mottola_S/0/1/0/all/0/1">Stefano Mottola</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Harris_A/0/1/0/all/0/1">Alan W. Harris</a> Thermal infrared observations are the most effective way to measure asteroid diameter and albedo for a large […]

Standard-Model Extension Constraints on Lorentz and CPT Violation From Optical Polarimetry of Active Galactic Nuclei. (arXiv:1906.07301v1 [astro-ph.HE])

Standard-Model Extension Constraints on Lorentz and CPT Violation From Optical Polarimetry of Active Galactic Nuclei. (arXiv:1906.07301v1 [astro-ph.HE]) <a href="http://arxiv.org/find/astro-ph/1/au:+Friedman_A/0/1/0/all/0/1">Andrew S. Friedman</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Leon_D/0/1/0/all/0/1">David Leon</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Gerasimov_R/0/1/0/all/0/1">Roman Gerasimov</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Crowley_K/0/1/0/all/0/1">Kevin D. Crowley</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Broudy_I/0/1/0/all/0/1">Isaac Broudy</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Melkani_Y/0/1/0/all/0/1">Yash Melkani</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Stephens_W/0/1/0/all/0/1">Walker Stephens</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Johnson_D/0/1/0/all/0/1">Delwin Johnson</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Teply_G/0/1/0/all/0/1">Grant Teply</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Tytler_D/0/1/0/all/0/1">David Tytler</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Keating_B/0/1/0/all/0/1">Brian G. Keating</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Cole_G/0/1/0/all/0/1">Gary […]

Excavating the Explosion and Progenitor Properties of Type IIP Supernovae via Modelling of their Optical Lightcurves. (arXiv:1906.07311v1 [astro-ph.HE])

Excavating the Explosion and Progenitor Properties of Type IIP Supernovae via Modelling of their Optical Lightcurves. (arXiv:1906.07311v1 [astro-ph.HE]) <a href="http://arxiv.org/find/astro-ph/1/au:+Ricks_W/0/1/0/all/0/1">Wilson Ricks</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Dwarkadas_V/0/1/0/all/0/1">Vikram V. Dwarkadas</a> (Univ of Chicago) The progenitors of Type IIP supernovae (SNe) are known to be red supergiants, but their properties are not well determined. We employ hydrodynamical modelling to investigate the […]

Observations of Type Ia Supernova 2014J for Nearly 900 Days and Constraints on Its Progenitor System. (arXiv:1906.07321v1 [astro-ph.SR])

Observations of Type Ia Supernova 2014J for Nearly 900 Days and Constraints on Its Progenitor System. (arXiv:1906.07321v1 [astro-ph.SR]) <a href="http://arxiv.org/find/astro-ph/1/au:+Li_W/0/1/0/all/0/1">Wenxiong Li</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Wang_X/0/1/0/all/0/1">Xiaofeng Wang</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Hu_M/0/1/0/all/0/1">Maokai Hu</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Yang_Y/0/1/0/all/0/1">Yi Yang</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Zhang_J/0/1/0/all/0/1">Jujia Zhang</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Mo_J/0/1/0/all/0/1">Jun Mo</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Chen_Z/0/1/0/all/0/1">Zhihao Chen</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Zhang_T/0/1/0/all/0/1">Tianmeng Zhang</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Benetti_S/0/1/0/all/0/1">Stefano Benetti</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Cappellaro_E/0/1/0/all/0/1">Enrico Cappellaro</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Elias_Rosa_N/0/1/0/all/0/1">Nancy Elias-Rosa</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Isern_J/0/1/0/all/0/1">Jordi Isern</a>, <a […]

Consistent Lorentz violation features from near-TeV IceCube neutrinos. (arXiv:1906.07329v1 [hep-ph])

Consistent Lorentz violation features from near-TeV IceCube neutrinos. (arXiv:1906.07329v1 [hep-ph]) <a href="http://arxiv.org/find/hep-ph/1/au:+Huang_Y/0/1/0/all/0/1">Yanqi Huang</a>, <a href="http://arxiv.org/find/hep-ph/1/au:+Li_H/0/1/0/all/0/1">Hao Li</a>, <a href="http://arxiv.org/find/hep-ph/1/au:+Ma_B/0/1/0/all/0/1">Bo-Qiang Ma</a> A recent proposal to associate 60~TeV to 2~PeV IceCube neutrino events with gamma-ray bursts~(GRBs) indicates the Lorentz violation of cosmic neutrinos and leads further to the $CPT$ symmetry violation between neutrinos and antineutrinos. Here we find […]

New Suns in the Cosmos V: Stellar rotation and multifractality in active textit{Kepler} stars. (arXiv:1906.07331v1 [astro-ph.SR])

New Suns in the Cosmos V: Stellar rotation and multifractality in active textit{Kepler} stars. (arXiv:1906.07331v1 [astro-ph.SR]) <a href="http://arxiv.org/find/astro-ph/1/au:+Freitas_D/0/1/0/all/0/1">D. B. de Freitas</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Nepomuceno_M/0/1/0/all/0/1">M. M. F. Nepomuceno</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Rios_L/0/1/0/all/0/1">L. D. Alves Rios</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Chagas_M/0/1/0/all/0/1">M. L. Das Chagas</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Medeiros_J/0/1/0/all/0/1">J. R. De Medeiros</a> In the present study, high-precision time series photometry for the active emph{Kepler} stars is […]

Bo”otes IV: A New Milky Way Satellite Discovered in the Subaru Hyper Suprime-Cam Survey and Implications for the Missing Satellite Problem. (arXiv:1906.07332v1 [astro-ph.GA])

Bo”otes IV: A New Milky Way Satellite Discovered in the Subaru Hyper Suprime-Cam Survey and Implications for the Missing Satellite Problem. (arXiv:1906.07332v1 [astro-ph.GA]) <a href="http://arxiv.org/find/astro-ph/1/au:+Homma_D/0/1/0/all/0/1">Daisuke Homma</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Chiba_M/0/1/0/all/0/1">Masashi Chiba</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Komiyama_Y/0/1/0/all/0/1">Yutaka Komiyama</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Tanaka_M/0/1/0/all/0/1">Masayuki Tanaka</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Okamoto_S/0/1/0/all/0/1">Sakurako Okamoto</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Tanaka_M/0/1/0/all/0/1">Mikito Tanaka</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Ishigaki_M/0/1/0/all/0/1">Miho N. Ishigaki</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Hayashi_K/0/1/0/all/0/1">Kohei Hayashi</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Arimoto_N/0/1/0/all/0/1">Nobuo Arimoto</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Carlsten_S/0/1/0/all/0/1">Scott G. Carlsten</a>, […]

New textsl{s}-process Site in Rapidly-Rotating Massive Pop II Stars. (arXiv:1906.07335v1 [astro-ph.SR])

New textsl{s}-process Site in Rapidly-Rotating Massive Pop II Stars. (arXiv:1906.07335v1 [astro-ph.SR]) <a href="http://arxiv.org/find/astro-ph/1/au:+Banerjee_P/0/1/0/all/0/1">Projjwal Banerjee</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Heger_A/0/1/0/all/0/1">Alexander Heger</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Qian_Y/0/1/0/all/0/1">Yong-Zhong Qian</a> We report a new site for the textsl{s}-process in rotating massive metal-poor stars. Above a critical rotation speed, such stars evolve in a quasi-chemically-homogeneous fashion, which gives rise to a prolific textsl{s}-process. Rotation-induced mixing results […]