Search Results - "Astrophysics and space science"

Dark energy cosmology: the equivalent description via different theoretical models and cosmography tests by Bamba, Kazuharu, Capozziello, Salvatore, Nojiri, Shin’ichi, Odintsov, Sergei D.

“…We review different dark energy cosmologies. In particular, we present the Λ CDM cosmology, Little Rip and Pseudo-Rip universes, the phantom and quintessence…”
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The 5th edition of the Roma-BZCAT. A short presentation by Massaro, E., Maselli, A., Leto, C., Marchegiani, P., Perri, M., Giommi, P., Piranomonte, S.

“…The 5th edition of the Roma-BZCAT Multifrequency Catalogue of Blazars is available in a printed version and online at the ASDC website (…”
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WALLABY – an SKA Pathfinder H i survey by Koribalski, Bärbel S., Staveley-Smith, L., Westmeier, T., Serra, P., Spekkens, K., Wong, O. I., Lee-Waddell, K., Lagos, C. D. P., Obreschkow, D., Ryan-Weber, E. V., Zwaan, M., Kilborn, V., Bekiaris, G., Bekki, K., Bigiel, F., Boselli, A., Bosma, A., Catinella, B., Chauhan, G., Cluver, M. E., Colless, M., Courtois, H. M., Crain, R. A., de Blok, W. J. G., Dénes, H., Duffy, A. R., Elagali, A., Fluke, C. J., For, B.-Q., Heald, G., Henning, P. A., Hess, K. M., Holwerda, B. W., Howlett, C., Jarrett, T., Jones, D. H., Jones, M. G., Józsa, G. I. G., Jurek, R., Jütte, E., Kamphuis, P., Karachentsev, I., Kerp, J., Kleiner, D., Kraan-Korteweg, R. C., López-Sánchez, Á. R., Madrid, J., Meyer, M., Mould, J., Murugeshan, C., Norris, R. P., Oh, S.-H., Oosterloo, T. A., Popping, A., Putman, M., Reynolds, T. N., Rhee, J., Robotham, A. S. G., Ryder, S., Schröder, A. C., Shao, Li, Stevens, A. R. H., Taylor, E. N., van der Hulst, J. M., Verdes-Montenegro, L., Wakker, B. P., Wang, J., Whiting, M., Winkel, B., Wolf, C.

“…The Widefield ASKAP L-band Legacy All-sky Blind surveY ( wallaby ) is a next-generation survey of neutral hydrogen (H  i ) in the Local Universe. It uses the…”
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The Muon Puzzle in cosmic-ray induced air showers and its connection to the Large Hadron Collider by Albrecht, Johannes, Cazon, Lorenzo, Dembinski, Hans, Fedynitch, Anatoli, Kampert, Karl-Heinz, Pierog, Tanguy, Rhode, Wolfgang, Soldin, Dennis, Spaan, Bernhard, Ulrich, Ralf, Unger, Michael

“…High-energy cosmic rays are observed indirectly by detecting the extensive air showers initiated in Earth’s atmosphere. The interpretation of these…”
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SOUSA: the Swift Optical/Ultraviolet Supernova Archive by Brown, Peter J., Breeveld, Alice A., Holland, Stephen, Kuin, Paul, Pritchard, Tyler

“…The Ultra-Violet Optical Telescope on the Swift spacecraft has observed hundreds of supernovae, covering all major types and most subtypes. Here we introduce…”
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Measuring the Hubble constant and spatial curvature from supernova apparent magnitude, baryon acoustic oscillation, and Hubble parameter data by Park, Chan-Gyung, Ratra, Bharat

“…Cosmic microwave background (CMB) anisotropy (spatial inhomogeneity) data provide the tightest constraints on the Hubble constant, matter density, spatial…”
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Chemical abundances in high-redshift galaxies: a powerful new emission line diagnostic by Dopita, Michael A., Kewley, Lisa J., Sutherland, Ralph S., Nicholls, David C.

“…This Letter presents a new, remarkably simple diagnostic specifically designed to derive chemical abundances for high redshift galaxies. It uses only the H α ,…”
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Observational constraints on the tilted flat-XCDM and the untilted nonflat XCDM dynamical dark energy inflation parameterizations by Park, Chan-Gyung, Ratra, Bharat

“…We constrain tilted spatially-flat and untilted nonflat XCDM dynamical dark energy inflation parameterizations using Planck 2015 cosmic microwave background…”
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Galaxy morphology classification with deep convolutional neural networks by Zhu, Xiao-Pan, Dai, Jia-Ming, Bian, Chun-Jiang, Chen, Yu, Chen, Shi, Hu, Chen

“…We propose a variant of residual networks (ResNets) for galaxy morphology classification. The variant, together with other popular convolutional neural…”
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Planck 2015 constraints on spatially-flat dynamical dark energy models by Ooba, Junpei, Ratra, Bharat, Sugiyama, Naoshi

“…We determine constraints on spatially-flat tilted dynamical dark energy XCDM and ϕ CDM inflation models by analyzing Planck 2015 cosmic microwave background…”
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LZIFU: an emission-line fitting toolkit for integral field spectroscopy data by Ho, I-Ting, Medling, Anne M., Groves, Brent, Rich, Jeffrey A., Rupke, David S. N., Hampton, Elise, Kewley, Lisa J., Bland-Hawthorn, Joss, Croom, Scott M., Richards, Samuel, Schaefer, Adam L., Sharp, Rob, Sweet, Sarah M.

“…We present lzifu (LaZy-IFU), an idl toolkit for fitting multiple emission lines simultaneously in integral field spectroscopy (IFS) data. lzifu is useful for…”
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Be/X-ray binaries by Reig, Pablo

“…The interest in X/ γ -ray Astronomy has grown enormously in the last decades thanks to the ability to send X-ray space missions above the Earth’s atmosphere…”
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Possible formation of compact stars in f(R,T) gravity by Zubair, M., Abbas, G., Noureen, I.

“…This paper reports on the investigations regarding the possible formation of compact stars in f ( R , T ) theory of gravity, where R is the Ricci scalar and T…”
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Secondary component of gravitational-wave signal GW190814 as an anisotropic neutron star by Roupas, Zacharias

“…The gravitational-wave signal GW190814 involves a compact object with mass ( 2.50 − 2.67 ) M ⊙ within the so-called low mass gap. As yet, a general consensus…”
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Shadow of Kerr-Taub-NUT black hole by Abdujabbarov, Ahmadjon, Atamurotov, Farruh, Kucukakca, Yusuf, Ahmedov, Bobomurat, Camci, Ugur

“…The shadow of a rotating black hole with nonvanishing gravitomagnetic charge has been studied. It was shown that in addition to the angular momentum of black…”
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Test particle simulations of cosmic rays by Mertsch, Philipp

“…Modelling of cosmic ray transport and interpretation of cosmic ray data ultimately rely on a solid understanding of the interactions of charged particles with…”
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Traversable wormholes in f(R,T) gravity by Mishra, Ambuj Kumar, Sharma, Umesh Kumar, Dubey, Vipin Chandra, Pradhan, Anirudh

“…In the present article, models of traversable wormholes within the f ( R , T ) modified gravity theory, where R is the Ricci scalar and T is the trace of the…”
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Science performance of Gaia, ESA’s space-astrometry mission by de Bruijne, J. H. J.

“…Gaia is the next astrometry mission of the European Space Agency (ESA), following up on the success of the Hipparcos mission. With a focal plane containing 106…”
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PyWiFeS: a rapid data reduction pipeline for the Wide Field Spectrograph (WiFeS) by Childress, Michael J., Vogt, Frédéric P. A., Nielsen, Jon, Sharp, Robert G.

“…We present PyWiFeS, a new Python-based data reduction pipeline for the Wide Field Spectrograph (WiFeS). PyWiFeS consists of a series of core data processing…”
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Structure scalars of spherically symmetric dissipative fluids with f(G,T) gravity by Yousaf, Z.

“…The aim of this study is to analyze the role of modification of gravity on some dynamical properties of spherically symmetric relativistic systems. In this…”
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