bluuebunny/crossref_metadata_2025_split huggingface dataset:
The Orbit of the New Milky Way Globular Cluster FSR1716 = VVV-GC05∗
Authors: Ramos Rodrigo Contreras , Minniti Dante , Fernández-Trincado José G. , Alonso-García Javier , Catelan Márcio , Gran Felipe , Hajdu Gergely , Hanke Michael , Hempel Maren , Díaz Edmundo Moreno , Pérez-Villegas Ángeles , Rojas-Arriagada Álvaro , Zoccali Manuela 
Published: August 2018

Abstract
We use deep, multi-epoch near-IR images of the VISTA Variables in the Vía Láctea (VVV) Survey to measure proper motions (PMs) of stars in the Milky Way globular cluster (GC) FSR1716 = VVV-GC05. The color-magnitude diagram of this object, made by using PM-selected members, shows an extended horizontal branch, nine confirmed RR Lyrae (RRL) members in the instability strip, and possibly several hotter stars extending to the blue. Based on the fundamental-mode (ab-type) RRL stars that move coherently with the cluster, we confirmed that FSR1716 is an Oosterhoff I GC with a mean period

= 0.574 days. Intriguingly, we detect tidal extensions to both sides of this cluster in the spatial distribution of PM-selected member stars. Also, one of the confirmed RRabs is located ∼11 arcmin in projection from the cluster center, suggesting that FSR1716 may be losing stars due to the gravitational interaction with the Galaxy. We also measure radial velocities (RVs) for five cluster red giants selected using the PMs. The combination of RVs and PMs allow us to compute for the first time the orbit of this GC, using an updated Galactic potential. The orbit results to be confined within

kpc, and has eccentricity 0.4 < e < 0.6, with perigalactic distance

, and apogalactic distance

. We conclude that, in agreement with its relatively low metallicity ([Fe/H] = −1.4 dex), this is an inner-halo GC plunging into the disk of the Galaxy. As such, this is a unique object with which to test the dynamical processes that contribute to the disruption of Galactic GCs.
Gaia Proper Motions and Orbits of the Ultra-faint Milky Way Satellites
Authors: Simon Joshua D. 
Published: August 2018

Abstract
The second data release from the Gaia mission (DR2) provides a comprehensive and unprecedented picture of the motions of astronomical sources in the plane of the sky, extending from the solar neighborhood to the outer reaches of the Milky Way. I present proper-motion measurements based on Gaia DR2 for 17 ultra-faint dwarf galaxies within 100 kpc of the Milky Way. I compile the spectroscopically confirmed member stars in each dwarf bright enough for Gaia astrometry from the literature, producing member samples ranging from two stars in Triangulum II to 68 stars in Boötes I. From the spectroscopic member catalogs, I estimate the proper motion of each system. I find good agreement with the proper motions derived by the Gaia collaboration for Boötes I and Leo I. The tangential velocities for 14 of the 17 dwarfs are determined to better than 50 km s−1, more than doubling the sample of such measurements for Milky Way satellite galaxies. The orbital pericenters are well constrained, with a mean value of 38 kpc. Only one satellite, Tucana III, is on an orbit passing within 15 kpc of the Galactic center, suggesting that the remaining ultra-faint dwarfs are unlikely to have experienced severe tidal stripping. As a group, the ultra-faint dwarfs are on high-velocity, eccentric, retrograde trajectories, with nearly all of them having space motions exceeding 370 km s−1. A large majority of the objects are currently close to the pericenters of their orbits. In a low-mass (M
vir = 0.9 × 1012
M
⊙) Milky Way potential, eight out of the 17 galaxies lack well-defined apocenters and appear likely to be on their first infall, indicating that the Milky Way mass may be larger than previously estimated or that many of the ultra-faint dwarfs are associated with the Magellanic Clouds. The median eccentricity of the ultra-faint dwarf orbits is 0.79, similar to the values seen in numerical simulations but distinct from the rounder orbits of the more luminous dwarf spheroidals.
Lower Limits on the Nucleosynthesis of 44Ti and 60Fe in the Dynamic Spiral-arm Cosmic-Ray Propagation Model
Authors: Benyamin David , Shaviv Nir J. 
Published: August 2018

Abstract
We have previously focused on studying the electron-capture isotopes within the dynamic spiral-arms cosmic-rays propagation model and empirically derived the energy dependence of the electron attachment rate using the observation of 49Ti/49V and 51V/51Cr ratios in cosmic rays. We have also shown how this relation recovers the energy dependence seen in the lab measurements. In this work, we use this relation to construct the 44Ti/44Ca ratio and place a lower limit on the amount of 44Ti that is required for it to be nucleosynthesized at the source. The results also imply that the acceleration process of the radioisotopes cannot be much longer than a century timescale (or else the required nucleosynthesized amount has to be correspondingly larger). We also provide a similar lower limit on the source 60Fe by comparing to the recently observed 60Fe/56Fe.
Observation of Interplanetary Slow Shock Pair Associated with Reconnection Exhaust in Magnetic Cloud Boundary Layer
Authors: Zhou Zilu , Wei Fengsi , Feng Xueshang , Wang Yi , Zuo Pingbing , Xu Xiaojun 
Published: August 2018

Abstract
Magnetic reconnection is prevalent in the solar wind and is usually associated with interplanetary coronal mass ejections. We examined a Petschek-like reconnection exhaust (RE) in the front boundary of a magnetic cloud observed by the WIND spacecraft on 1998 June 2 and presented the first observation of a slow shock pair bounding the Petschek-like outflow jet in the interplanetary space. The whole structure contained an Alfvénic accelerated outflow and a pair of reverse slow shocks. The Alfvénic accelerated outflow was identified by Walén analysis. Rankine–Hugoniot relations were applied to confirm the slow shocks bounding the RE. Both shocks strictly satisfied the characteristics of slow shocks: (1) the intermediate Alfvén Mach numbers were both below unit in the up/downstream region; (2) the slow Mach number was above unit in the upstream side but below unit in the downstream side. Plasma was compressed and heated across the trailing slow shock, especially in the shock jump layer that has a temperature 2.4 times that of the upstream.
Microwave and Hard X-Ray Observations of the 2017 September 10 Solar Limb Flare
Authors: Gary Dale E. , Chen Bin , Dennis Brian R. , Fleishman Gregory D. , Hurford Gordon J. , Krucker Säm , McTiernan James M. , Nita Gelu M. , Shih Albert Y. , White Stephen M. , Yu Sijie 
Published: August 2018

Abstract
We report the first science results from the newly completed Expanded Owens Valley Solar Array (EOVSA), which obtained excellent microwave (MW) imaging spectroscopy observations of SOL2017-09-10, a classic partially occulted solar limb flare associated with an erupting flux rope. This event is also well-covered by the Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI) in hard X-rays (HXRs). We present an overview of this event focusing on MW and HXR data, both associated with high-energy nonthermal electrons, and we discuss them within the context of the flare geometry and evolution revealed by extreme ultraviolet observations from the Atmospheric Imaging Assembly (AIA) aboard the Solar Dynamics Observatory. The EOVSA and RHESSI data reveal the evolving spatial and energy distribution of high-energy electrons throughout the entire flaring region. The results suggest that the MW and HXR sources largely arise from a common nonthermal electron population, although the MW imaging spectroscopy provides information over a much larger volume of the corona.
A Solar Eruption with Relatively Strong Geoeffectiveness Originating from Active Region Peripheral Diffusive Polarities
Authors: Wang Rui , Liu Ying D. , Hu Huidong , Zhao Xiaowei 
Published: August 2018

Abstract
We report the observations of a moderate but relatively intense geoeffective solar eruption on 2015 November 4 from the peripheral diffusive polarities of active region 12443. We use space-borne Solar Dynamics Observatory and ACE observations. EUV images identified a helical pattern along a filament channel, and we regard this channel as flux-rope structure. Flow velocity derived from tracked magnetograms infers converging motion along the polarity inversion line beneath the filament channel. An associated magnetic cancellation process was detected in the converging region. Further, the pre-eruptive EUV brightening was observed in the converging region, the most intense part of which appeared in the magnetic cancellation region. These observations imply that the converging and canceling flux probably contributed to the formation of the helical magnetic fields associated with the flux rope. A filament-height estimation method suggests that the middle part of the filament probably lies at a low altitude and was consistent with the initial place of the eruption. A thick current channel associated with the flux rope is also determined. For an expanding thick current channel, the critical height of the decay index for torus instability lies in the range of 37–47 Mm. Southward magnetic fields in the sheath and the ejecta induced a geomagnetic storm with a D
st global minimum of ∼−90 nT.
The Energetic Particle Environment of the Lunar Nearside: Influence of the Energetic Ions from Earth’s Bow Shock
Authors: Xu Xiaojun , Chang Qing , Xu Qi , Angelopoulos Vassilis , Wang Yi , Zuo Pingbing 
Published: August 2018

Abstract
Energetic particles from Earth’s bow shock can frequently access the lunar orbit. These energetic particles are mainly ions. Since they are mostly field-aligned, they have much greater impacts on the lunar near side than on its far side. We present a statistical study of these upstream energetic ions at the lunar orbit using ARTEMIS observations. During the five-year time interval from 2012 to 2016, 496 energetic ion events with time durations ≥30 minutes were identified. The average duration of an event is about 1.93 hr. Most events occurred at the dawn-looking quadrants of Earth, showing an asymmetric dawn–dusk distribution in space. In 490 of the 496 events, the magnetic field lines directly extend to the bow shock. This is very important in order for energetic ions to arrive at the lunar orbit along field lines. The highest energies of these upstream energetic ions range from 101.5 to 658.5 keV based on the energy channels of ARTEMIS. The spatial distribution of the events depends on the highest energy. Events with higher energies tend to occur near the subsolar region and are related to greater AE indices, indicating stronger disturbances of the geomagnetosphere. By taking into account upstream energetic ions, in addition to galactic cosmic rays and solar energetic particles, our results provide a more comprehensive understanding of the energetic particle environment of the lunar near side.
Technical note: GUARD – an automated fluid sampler preventing sample alteration by contamination, evaporation and gas exchange, suitable for remote areas and harsh conditions
Authors: Hartmann Arno , Luetscher Marc , Wachter Ralf , Holz Philipp , Eiche Elisabeth , Neumann Thomas 
Published: August 2018

Abstract. Automated water sampling devices adapted to field operation have proven highly useful
for environmental research as well as in the public and private sectors,
where natural or artificial waters need to be tested regularly for compliance
with environmental and health regulations. Such autosamplers are already
available on the market in slightly differing versions, but none of these
devices are capable of sealing the collected samples to prevent sample
alteration by contamination, evaporation or gas exchange. In many sampling
cases, however, this feature is essential, for instance for studying the
hydrological cycle based on isotopes in rainwater, or for monitoring waters
contaminated with toxic gases or other volatile compounds detrimental to
biota and human health. Therefore, we have developed a new mobile
autosampler, which injects water samples directly into airtight vials, thus
preventing any sample alteration. Further advantages include low production
costs, compact dimensions and low weight allowing for easy transport, a wide
range of selectable sampling intervals as well as a low power consumption,
which make it suitable for long-term applications even in remote areas and
harsh (outdoor) conditions due to its heavy-duty water-proof casing. In this
paper, we demonstrate (1) the sampler's mechanical functioning, (2) the
long-term stability of the collected samples with regard to evaporation and
gas exchange and (3) the potential of our device in a wide variety of
applications drawing on laboratory and field experiments in different karst
caves, which represent one of the most challenging sampling environments.
Potency of Agroindustrial Wastewaters for Increasing Dissolution of Phosphate Rock Fertilizers
Authors: Niswati Ainin , Yusnaini Sri , Sarno . 
Published: August 2018

Agroindustrial wastewaters were considered not maximum used in Lampung Province since it has acidic properties that can be used as an acid solvent. This study aimed was to explore the most potential agroindustrial wastewaters in dissolving phosphate rock by acidulation in the laboratory scale. The experimen were arranged by factorial i.e. first factor were phosphate rock origin (Sukabumi, west Java and Selagailingga, central Lampung) and second factor was kinds of solvent (agroindustrial wastewaters of pineapple, tapioca, tofu industry, and palm oil as well as a conventional acid solvent such as HCl, H2SO4, and CH3COOH). The incubation process were 0, 1, 2, and 3 month. The results showed that agroindustrial wastewaters that have highest potency for solubizing phosphate rock was industrial tofu wastewaters and followed by industrial wastewaters of tapioca, palm oil, and pineapple. Both the conventional acid and agroindustrial wastewaters solvent have a big potency for solubilize phosphate rock, however, its highest soluble P-value was not match with the ISO criteria for phosphate fertilizers Quality I (SNI) because it has not reached the solubility of 80% of its total P2O5, but has been qualified as a fertilizer both the quality phosphate A, B, and C (SNI).Keywords: Acidulation, agroindustrial wastewater, P fertilizer, phosphate rock [How to Cite: Ainin N, S Yusnaini and Sarno. 2014. Potency of Agroindustrial Wastewaters to Increase the Dissolution of Phosphate Rock Fertilizers. J Trop Soils 19: 43-51. Doi: 10.5400/jts.2014.19.1.43]
Maio de 68 e o “efeito Bourdieu”: críticas ao estruturalismo althusseriano e ao reprodutivismo bourdieusiano em Jacques Rancière
Authors: Vojniak Fernando 
Published: August 2018

Este artigo compõe-se de uma apresentação e uma análise das principais críticas ao reprodutivismo assinaladas por Jacques Rancière, desde seu afastamento do estruturalismo althusseriano no fim dos anos 1960, até suas críticas mais recentes ao reprodutivismo, especialmente aquelas relacionadas à noção de “redução das desigualdades” que aparece no pensamento de Pierre Bourdieu. Nesta análise, também são apresentados alguns aspectos das concepções sobre história, política e igualdade no pensamento de Jacques Rancière. Palavras-chave: RANCIÈRE, Jacques, 1940-. Estruturalismo. ALTHUSSER, Louis, 1918-1990. Reprodutivismo. BORDIEU, Pierre, 1930-2002.
La izquierda peronista de los años sesenta como fenómeno argentino de la llamada nueva izquierda
Authors: Friedemann Sergio 
Published: August 2018

La llamada nueva izquierda fue un fenómeno surgido en los años cincuenta a escala trasnacional, y no son pocas las resonancias que tuvo en Argentina. Sin embargo, aunque desde el campo académico argentino se ha enfocado frecuentemente el estudio de los años sesenta y setenta a través de dicha categoría, no encontramos localmente grupos políticos o experiencias intelectuales de relevancia que hayan asumido como propia esa caracterización del mismo modo a lo sucedido en Europa y Estados Unidos, e incluso en otros países de América Latina. Como categoría analítica aplicable al caso argentino, requiere ser definida de modo tal que las experiencias concretas puedan ser ubicadas dentro o fuera de esa delimitación. Como se verá, la categoría no siempre resulta útil a la hora de definir un sujeto político particular. Estudios sobre expresiones políticas diversas han encontrado similares dificultades a la hora de ubicar a su objeto de estudio dentro o fuera de la llamada nueva izquierda. En caso de utilizar esta categoría de modo analítico, argumentaremos que el fenómeno de la izquierda peronista fue una de sus mayores expresiones locales, aunque no siempre los trabajos académicos sobre el tema coinciden en torno a la relación entre ambas categorías. Palabras clave: Izquierda Peronista. Nueva Izquierda. Años Sesenta y Setenta. Marxismo. Peronismo.
Model reference discrete‐time variable structure control
Authors: Bartoszewicz Andrzej , Adamiak Katarzyna 
Published: August 2018

SummaryThis paper presents a new reaching law–based model reference quasi‐sliding mode control strategy for discrete‐time dynamical systems. The strategy ensures the quasi‐sliding mode attributes defined in the seminal paper of Gao et al, but at the same time, it offers essentially improved system robustness. In particular, it is demonstrated that the application of the reference model results in the decreased width of the quasi‐sliding mode band and guarantees smaller errors of all state variables.
Efficient Transdermal Delivery of DNA Nanostructures Alleviates Atopic Dermatitis Symptoms in NC/Nga Mice
Authors: Yang Gabsik , Lee Hye Eun , Shin Seung Won , Um Soong Ho , Lee Jung Dae , Kim Kyu‐Bong , Kang Han Chang , Cho Yong‐Yeon , Lee Hye Suk , Lee Joo Young 
Published: August 2018

AbstractDNA nanostructures have been widely studied in biomedical research contributing to targeted treatment of chronic diseases. The immunostimulatory XL‐DNA nanostructures of X‐shaped oligodeoxynucleotides complex are previously reported, activating toll‐like receptor9 in dendritic cells. This study examines whether the XL‐DNA could be therapeutically applied to treat immune diseases such as atopic dermatitis. To optimize topical delivery, liposome‐encapsulated XL‐DNA (Lipo‐XL‐DNA) is generated using emulsion transfer method with lipid layers composed of 1,2‐dioleoyl‐sn‐glycero‐3‐phosphocholine, 1,2‐dioleoyl‐sn‐glycero‐3‐phospho‐(1′‐rac‐glycerol), and cholesterol. Size distribution of Lipo‐XL‐DNA ranges around 90–160 nm with mean diameter of 115.44 ± 18.72 nm. The morphology is confirmed by transmission electron microscope. Zeta potential is −28.59 mV. Confocal microscopy shows that Lipo‐XL‐DNA is efficiently delivered into epidermis and dermis. Topical application of Lipo‐XL‐DNA effectively alleviates atopic dermatitis symptoms in mice, as shown by dermatitis score, histological evaluation, and serum immunoglobulin E levels. RNA‐seq analysis confirms that Lipo‐XL‐DNA reduces pro‐inflammatory products, but increases epidermal barrier homeostasis factors in atopic dermatitis lesions. Lipo‐XL‐DNA orchestrates immune balance by downregulating Th2 immunity, but upregulating Th1 immunity. Collectively, liposome encapsulation enables efficient transdermal delivery of XL‐DNA, for an effective treatment of atopic dermatitis in mice. The results provide a promising therapeutic strategy using XL‐DNA nanostructures to treat immune‐compromised diseases.
Phototransistors with Negative or Ambipolar Photoresponse Based on As‐Grown Heterostructures of Single‐Walled Carbon Nanotube and MoS2
Authors: Nguyen Van Tu , Yim Woongbin , Park Sae June , Son Byung Hee , Kim Young Chul , Cao Thi Thanh , Sim Yumin , Moon Yoon‐Jong , Nguyen Van Chuc , Seong Maeng‐Je , Kim Sun‐Kyung , Ahn Yeong Hwan , Lee Soonil , Park Ji‐Yong 
Published: August 2018

AbstractA facile synthesis method for the heterostructures of single‐walled carbon nanotubes (SWCNTs) and few‐layer MoS2 is reported. The heterostructures are realized by in situ chemical vapor deposition of MoS2 on individual SWCNTs. Field effect transistors based on the heterostructures display different transfer characteristics depending on the formation of MoS2 conduction channels along SWCNTs. Under light illumination, negative photoresponse originating from charge transfer from MoS2 to SWCNT is observed while positive photoresponse is observed in MoS2 conduction channels, leading to ambipolar photoresponse in devices with both SWCNT and MoS2 channels. The heterostructure phototransistor, for negative photoresponse, exhibits high responsivity (100–1000 AW−1) at low bias voltages (0.1 V) in the visible spectrum (500–700 nm) by combining high mobility conduction channel (SWCNT) with efficient light absorber (MoS2).
3D Graphene Films Enable Simultaneously High Sensitivity and Large Stretchability for Strain Sensors
Authors: Pan Fei , Chen Si‐Ming , Li Yuhan , Tao Zhuchen , Ye Jianglin , Ni Kun , Yu Han , Xiang Bin , Ren Yibin , Qin Faxiang , Yu Shu‐Hong , Zhu Yanwu 
Published: August 2018

AbstractIntegration of 2D membranes into 3D macroscopic structures is essential to overcome the intrinsically low stretchability of graphene for the applications in flexible and wearable electronics. Herein, the synthesis of 3D graphene films (3D‐GFs) using chemical vapor deposition (CVD) is reported, in which a porous copper foil (PCF) is chosen as a template in the atmospheric‐pressure CVD preparation. When the 3D‐GF prepared at 1000 °C (noted as 3D‐GF‐1000) is transferred onto a polydimethylsiloxane (PDMS) membrane, the obtained 3D‐GF‐1000/PDMS hybrid film shows an electrical conductivity of 11.6 S cm−1 with good flexibility, indicated by small relative resistance changes (ΔR/R0) of 2.67 and 0.36 under a tensile strain of 50% and a bending radius of 1.6 mm, respectively. When the CVD temperature is reduced to 900 °C (generating a sample noted as 3D‐GF‐900), the 3D‐GF‐900/PDMS hybrid film exhibits an excellent strain‐sensing performance with a workable strain range of up to 187% and simultaneously a gauge factor of up to ≈1500. The 3D‐GF‐900/PDMS also shows a remarkable durability in resistance in repeated 5000 stretching‐releasing cycles. Kinetics studies show that the response of ΔR/R0 upon strain is related to the graphitization and conductivity of 3D‐GF which are sensitive to the CVD preparation temperature.
Bamboo‐Like Hollow Tubes with MoS2/N‐Doped‐C Interfaces Boost Potassium‐Ion Storage
Authors: Jia Baorui , Yu Qiyao , Zhao Yongzhi , Qin Mingli , Wang Wei , Liu Zhiwei , Lao Cheng‐Yen , Liu Ye , Wu Haowang , Zhang Zili , Qu Xuanhui 
Published: August 2018

AbstractPotassium‐ion batteries (KIBs) are new‐concept of low‐cost secondary batteries, but the sluggish kinetics and huge volume expansion during cycling, both rooted in the size of large K ions, lead to poor electrochemical behavior. Here, a bamboo‐like MoS2/N‐doped‐C hollow tubes are presented with an expanded interlayer distance of 10 Å as a high‐capacity and stable anode material for KIBs. The bamboo‐like structure provides gaps along axial direction in addition to inner cylinder hollow space to mitigate the strains in both radial and vertical directions that ultimately leads to a high structural integrity for stable long‐term cycling. Apart from being a constituent of the interstratified structure the N‐doped‐C layers weave a cage to hold the potassiation products (polysulfide and the Mo nanoparticles) together, thereby effectively hindering the continuing growth of solid electrolyte interphase in the interior of particles. The density functional theory calculations prove that the MoS2/N‐doped‐C atomic interface can provide an additional attraction toward potassium ion. As a result, it delivers a high capacity at a low current density (330 mAh g−1at 50 mA g−1after 50 cycles) and a high‐capacity retention at a high current density (151 mAh g−1at 500 mA g−1after 1000 cycles).