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Discovery of new globular clusters in the Sagittarius dwarf galaxy

Minniti, D.; Ripepi, V.; Fernández-Trincado, J. G.; Alonso-García, J.; Smith, L. C.; Lucas, P. W.; Gómez, M.; Pullen, J. B.; Garro, E. R.; Cádiz, F. Vivanco; Hempel, M.; Rejkuba, M.; Saito, R. K.; Palma, T.; Clariá, J. J.; Gregg, M.; Majaess, D. (2021-03-12)

Context. Globular clusters (GCs) are witnesses of the past accretion events onto the Milky Way. In particular, the GCs of the Sagittarius (Sgr) dwarf galaxy are important probes of an on-going merger. Aims. Our main goal ...

Dust polarized emission observations of NGC 6334 : BISTRO reveals the details of the complex but organized magnetic field structure of the high-mass star-forming hub-filament network

BISTRO; Arzoumanian, D.; Furuya, R.; Hasegawa, T.; Tahani, M.; Sadavoy, S.; Hull, C. L. H.; Johnstone, D.; Koch, P. M.; Inutsuka, S. -i.; Doi, Y.; Hoang, T.; Onaka, T.; Iwasaki, K.; Shimajiri, Y.; Inoue, T.; Peretto, N.; André, P.; Bastien, P.; Berry, D.; Chen, H. -R. V.; Francesco, J. Di; Eswaraiah, C.; Fanciullo, L.; Fissel, L. M.; Hwang, J.; Kang, J. -h.; Kim, G.; Kim, K. -T.; Kirchschlager, F.; Kwon, W.; Liu, H. -L.; Lyo, A. -R.; Pattle, K.; Soam, A.; Tang, X.; Whitworth, A.; Ching, T. -C.; Coudé, S.; Ward-Thompson, D.; Lai, S. -P.; Qiu, K.; Bourke, T. L.; Byun, D. -Y.; Chen, M.; Chen, Z.; Cho, J.; Choi, Y.; Chrysostomou, A.; Gledhill, T.; Parsons, H. (2021-03-11)

Context. Molecular filaments and hubs have received special attention recently thanks to new studies showing their key role in star formation. While the (column) density and velocity structures of both filaments and hubs ...

Assessment of the Energy Consumption and Drivability Performance of an IPMSM-Driven Electric Vehicle Using Different Buried Magnet Arrangements

Asef, Pedram; Bargallo, Ramon; Lapthorn, Andrew; Tavernini , Davide; Shao , Lingyun; Sorniotti, Aldo (2021-03-04)

This study investigates the influence of the buried magnet arrangement on the efficiency and drivability performance provided by an on-board interior permanent magnet synchronous machine for a four-wheel-drive electric car ...

Less and the more IGM transmitted galaxies from z~2.7 to z~6 from VANDELS and VUDS

Thomas, R.; Pentericci, L.; Fèvre, O. Le; Koekemoer, A. M.; Castellano, M.; Cimatti, A.; Fontanot, F.; Gargiulo, A.; Garilli, B.; Talia, M.; Amorín, R.; Bardelli, S.; Cristiani, S.; Cresci, G.; Franco, M.; Fynbo, J. P. U.; Hathi, N. P.; Hibon, P.; Khusanova, Y.; Brun, V. Le; Lemaux, B. C.; Mannucci, F.; Schaerer, D.; Zamorani, G.; Zucca, E. (2021-03-04)

Aim. Our aim is to analyse the variance of the Inter-Galactic Medium transmission (IGM) by studying this parameter in the rest-frame UV spectra of a large sample of high redshift galaxies. Method. We make use of the VIMOS ...

AstroVaDEr: Astronomical Variational Deep Embedder for Unsupervised Morphological Classification of Galaxies and Synthetic Image Generation

Spindler, Ashley; Geach, James E.; Smith, Michael J. (2021-03-01)

We present AstroVaDEr, a variational autoencoder designed to perform unsupervised clustering and synthetic image generation using astronomical imaging catalogues. The model is a convolutional neural network that learns to ...

Laser powder bed fusion of soda lime silica glass: Optimisation of processing parameters and evaluation of part properties

Datsiou, Kyriaki Corinna; Spirrett, Fiona; Ashcroft, Ian; Magallanes, Marlin; Christie, Steve; Goodridge, Ruth (2021-03-01)

Glass has a number of attractive properties, such as transparency, chemical resistance, good thermal stability and high electrical resistivity, that make it a favourable material for a range of applications, including ...

Influence of Drill Geometry Design on Drilling-Induced Damage Reduction in Fibre-Reinforced Polymeric Composites

Ismail, S. O. (Springer Singapore, 2021-02-18)

Drilling is an extensively used manufacturing process for boring different and widely used fibre-reinforced polymeric (FRP) composite materials, among various machining operations. This process is inevitable for ...

Comprehensive Study on Tool Wear During Machining of Fibre-Reinforced Polymeric Composites

Ismail, S. O.; Sarfraz, S.; Niamat, M.; Mia, M.; Gupta, M. K.; Pimenov, D. Y.; Shehab, E. (Springer Singapore, 2021-02-18)

The use of fibre reinforced polymeric (FRP) composites has increased rapidly, especially in many manufacturing (aerospace, automobile and construction) industries. The machining of composite materials is an important ...

The LOFAR LBA Sky Survey I. survey description and preliminary data release

Gasperin, F. de; Williams, W. L.; Best, P.; Bruggen, M.; Brunetti, G.; Cuciti, V.; Dijkema, T. J.; Hardcastle, M. J.; Norden, M. J.; Offringa, A.; Shimwell, T.; Weeren, R. van; Bomans, D.; Bonafede, A.; Botteon, A.; Callingham, J. R.; Cassano, R.; Chyzy, K. T.; Emig, K. L.; Edler, H.; Haverkorn, M.; Heald, G.; Heesen, V.; Iacobelli, M.; Intema, H. T.; Kadler, M.; Malek, K.; Mevius, M.; Miley, G.; Mingo, B.; Morabito, L. K.; Sabater, J.; Morganti, R.; Orru, E.; Pizzo, R.; Prandoni, I.; Shulevski, A.; Tasse, C.; Vaccari, M.; Zarka, P.; Rottgering, H. (2021-02-17)

Context. The LOw Frequency ARray (LOFAR)istheonlyradiotelescopethatispresentlycapableofhigh-sensitivity,high-resolution (i.e. < 1mJybeam−1 and < 1500) observations at ultra-low frequencies(< 100MHz). To utilise these ...

Drivers of severe air pollution events in a deep valley during wintertime: a case study from the Arve river valley, France

Quimbayo-Duarte, Julian; Chemel, Charles; Staquet, Chantal; Troude, Florence; Arduini, Gabriele (2021-02-15)

The Arve river valley airshed in the French Alps experiences particularly severe air pollution during wintertime stable atmospheric conditions associated with persistent cold-air pools. PM10 data recorded in the region ...

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