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926 papers · 1 filter

astro-ph.GA2019★ 33 cited

ALMA observations reveal no preferred outflow--filament and outflow--magnetic field orientations

T. Baug, Ke Wang, Tie Liu +12

We present a statistical study on the orientation of outflows with respect to large-scale filaments and the magnetic fields. Although filaments are widely observed toward Galactic…

astro-ph.SR2019

(Simulating) Coronal Mass Ejections in Active Stars

Julián D. Alvarado-Gómez, Jeremy J. Drake, Cecilia Garraffo +4

The stellar magnetic field completely dominates the environment around late-type stars. It is responsible for driving the coronal high-energy radiation (e.g. EUV/X-rays), the devel…

astro-ph.CO2019★ 31 cited

Computing the Small-Scale Galaxy Power Spectrum and Bispectrum in Configuration-Space

Oliver H. E. Philcox, Daniel J. Eisenstein

We present a new class of estimators for computing small-scale power spectra and bispectra in configuration-space via weighted pair- and triple-counts, with no explicit use of Four…

astro-ph.HE2019★ 31 cited

Deep XMM-Newton Observations Reveal the Origin of Recombining Plasma in the Supernova Remnant W44

Hiromichi Okon, Takaaki Tanaka, Hiroyuki Uchida +8

Recent X-ray studies revealed over-ionized recombining plasmas (RPs) in a dozen mixed-morphology (MM) supernova remnants (SNRs). However, the physical process of the over-ionizatio…

astro-ph.EP2019★ 18 cited

TOI 564 b and TOI 905 b: Grazing and Fully Transiting Hot Jupiters Discovered by TESS

Allen B. Davis, Songhu Wang, Matias Jones +46

We report the discovery and confirmation of two new hot Jupiters discovered by the Transiting Exoplanet Survey Satellite (TESS): TOI 564 b and TOI 905 b. The transits of these two…

astro-ph.EP2019★ 11 cited

OGLE-2013-BLG-0911Lb: A Secondary on the Brown-Dwarf Planet Boundary around an M-dwarf

Shota Miyazaki, Takahiro Sumi, David P. Bennett +92

We present the analysis of the binary-lens microlensing event OGLE-2013-BLG-0911. The best-fit solutions indicate the binary mass ratio of q~0.03 which differs from that reported i…

astro-ph.HE2019★ 23 cited

LSQ13ddu: A rapidly-evolving stripped-envelope supernova with early circumstellar interaction signatures

Peter Clark, Kate Maguire, Cosimo Inserra +30

This paper describes the rapidly evolving and unusual supernova LSQ13ddu, discovered by the La Silla-QUEST survey. LSQ13ddu displayed a rapid rise of just 4.80.9 d to reach a…

physics.atom-ph2019★ 6 cited

A protocol to realize triatomic ultralong range Rydberg molecules in an ultracold KRb gas

Rosario Gonzalez-Ferez, Seth T. Rittenhouse, Peter Schmelcher +1

We propose an experimentally realizable scheme to produce triatomic ultralong-range Rydberg molecules (TURM), formed in ultracold KRb traps. A near resonant coupling of the non-zer…

astro-ph.GA2019★ 56 cited

The STRong lensing Insights into the Dark Energy Survey (STRIDES) 2017/2018 follow-up campaign: Discovery of 10 lensed quasars and 10 quasar pairs

C. Lemon, M. W. Auger, R. McMahon +65

We report the results of the STRong lensing Insights from the Dark Energy Survey (STRIDES) follow-up campaign of the late 2017/early 2018 season. We obtained spectra of 65 lensed q…

astro-ph.GA2019★ 44 cited

Differential abundances of open clusters and their tidal tails: chemical tagging and chemical homogeneity

L. Casamiquela, Y. Tarricq, C. Soubiran +4

Well studied Open Clusters (OCs) in the Solar neighbourhood are used as reference objects to test galactic and stellar theories. For that purpose their chemical composition needs t…

astro-ph.HE2019★ 35 cited

Flash ionization signatures in the type Ibn supernova SN 2019uo

Anjasha Gangopadhyay, Kuntal Misra, Daichi Hiramatsu +26

We present photometric and spectroscopic observations of the type Ibn supernova (SN) 2019uo, the second ever SN Ibn with flash ionization (He II, C III, N III) features in its earl…

astro-ph.GA2019★ 60 cited

LLAMA: The - Relation of the most luminous local AGNs

Turgay Caglar, Leonard Burtscher, Bernhard Brand +17

The - relation is considered a result of co-evolution between the host galaxies and their super-massive black holes. For elliptical-bulge hosting inactive gala…

quant-ph2019★ 31 cited

Microwave shielding with far-from-circular polarization

Tijs Karman

Ultracold polar molecules can be shielded from fast collisional losses using microwaves, but achieving the required polarization purity is technically challenging. Here, we propose…

astro-ph.SR2019★ 2 cited

Probing Coronal Magnetic Fields with Sungrazing Comets: \hi\ Ly from Pickup Ions

John Raymond, Silvio Giordano

Observations of sungrazing comets can be used to probe the solar corona, to study the composition of the comets, and to investigate the plasma processes that govern the interaction…

astro-ph.HE2019★ 18 cited

Simultaneous observations of the blazar PKS2155-304 from Ultra-Violet to TeV energies

H. E. S. S., Fermi, NuSTAR collaborations

The results of the first ever contemporaneous multi-wavelength observation campaign on the BL Lac object PKS2155-304 involving Swift, NuSTAR, Fermi-LAT and H.E.S.S. are reported. T…

astro-ph.SR2019★ 67 cited

The Tarantula Massive Binary Monitoring: III. Atmosphere analysis of double-lined spectroscopic systems

L. Mahy, H. Sana, M. Abdul-Masih +17

Accurate stellar parameters of individual objects in binary systems are essential to constrain the effects of binarity on stellar evolution. These parameters serve as a prerequisit…

astro-ph.SR2019★ 49 cited

The Tarantula Massive Binary Monitoring. IV. Double-lined photometric binaries

L. Mahy, L. A. Almeida, H. Sana +10

A high fraction of massive stars are found to be binaries but only a few of them are reported as photometrically variable. By studying the populations of SB2 in the 30 Doradus regi…

astro-ph.GA2019★ 46 cited

Probing black hole accretion tracks, scaling relations and radiative efficiencies from stacked X-ray active galactic nuclei

Francesco Shankar, David H. Weinberg, Christopher Marsden +25

The masses of supermassive black holes at the centres of local galaxies appear to be tightly correlated with the mass and velocity dispersions of their galactic hosts. However, the…

astro-ph.GA2019★ 12 cited

Temperature Profiles of Hot Gas In Early Type Galaxies

Dong-Woo Kim, Liam Traynor, Alessandro Paggi +12

Using the data products of the Chandra Galaxy Atlas (Kim et al. 2019a), we have investigated the radial profiles of the hot gas temperature in 60 early type galaxies. Considering t…

astro-ph.HE2019★ 174 cited

Constraining the Neutron Star Mass-Radius Relation and Dense Matter Equation of State with NICER. I. The Millisecond Pulsar X-ray Data Set

Slavko Bogdanov, Sebastien Guillot, Paul S. Ray +27

We present the set of deep Neutron Star Interior Composition Explorer (NICER) X-ray timing observations of the nearby rotation-powered millisecond pulsars PSRs J0437-4715, J0030+04…

astro-ph.GA2019★ 15 cited

Localizing the -ray emitting region in the blazar TXS 2013+370

E. Traianou, T. P. Krichbaum, B. Boccardi +9

The -ray production mechanism and its localization in blazars are still a matter of debate. The main goal of this paper is to constrain the location of the high-energy emission…

astro-ph.HE2019★ 8 cited

Probing the Properties of the Pulsar Wind in the Gamma-Ray Binary HESS J0632+057 with NuSTAR and VERITAS Observations

A. Archer, W. Benbow, R. Bird +60

HESS J0632+057 is a gamma-ray binary composed of a compact object orbiting a Be star with a period of about days. Extensive X-ray and TeV gamma-ray observations have revealed…

astro-ph.EP2019★ 6 cited

The young planetary system K2-25: constraints on companions and starspots

Isabel J. Kain, Elisabeth R. Newton, Jason A. Dittmann +5

The abundance of planets with orbital periods of a few to tens of days suggests that exoplanets experience complex dynamical histories. Planets in young stellar clusters or associa…

astro-ph.CO2019★ 7 cited

Toward the low-scatter selection of X-ray clusters: Galaxy cluster detection with eROSITA through cluster outskirts

Florian Käfer, Alexis Finoguenov, Dominique Eckert +4

One key ingredient in using galaxy clusters (GCs) as a precision cosmological probe in large X-ray surveys is to understand selection effects. The dependence of the X-ray emission…