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This note tackles the problem of the rotation of Io with the 4-degrees of freedom Poincar\'e-Hough model. Io is modeled as a 2-layer body, i.e. a triaxial fluid core and a rigid outer layer. We show that the longitudinal librations should…

Earth and Planetary Astrophysics · Physics 2013-01-11 Benoît Noyelles

Motivated by the detection of a significant dipole structure in the arrival directions of ultrahigh-energy cosmic rays above 8 EeV reported by the Pierre Auger Observatory (Auger), we search for a large-scale anisotropy using data collected…

High Energy Astrophysical Phenomena · Physics 2020-07-28 Telescope Array Collaboration , R. U. Abbasi , M. Abe , T. Abu-Zayyad , M. Allen , R. Azuma , E. Barcikowski , J. W. Belz , D. R. Bergman , S. A. Blake , R. Cady , B. G. Cheon , J. Chiba , M. Chikawa , A. di Matteo , T. Fujii , K. Fujisue , K. Fujita , R. Fujiwara , M. Fukushima , G. Furlich , W. Hanlon , M. Hayashi , N. Hayashida , K. Hibino , R. Higuchi , K. Honda , D. Ikeda , T. Inadomi , N. Inoue , T. Ishii , R. Ishimori , H. Ito , D. Ivanov , H. Iwakura , H. M. Jeong , S. Jeong , C. C. H. Jui , K. Kadota , F. Kakimoto , O. Kalashev , K. Kasahara , S. Kasami , H. Kawai , S. Kawakami , S. Kawana , K. Kawata , E. Kido , H. B. Kim , J. H. Kim , J. H. Kim , M. H. Kim , S. W. Kim , S. Kishigami , V. Kuzmin , M. Kuznetsov , Y. J. Kwon , K. H. Lee , B. Lubsandorzhiev , J. P. Lundquist , K. Machida , H. Matsumiya , T. Matsuyama , J. N. Matthews , R. Mayta , M. Minamino , K. Mukai , I. Myers , S. Nagataki , K. Nakai , R. Nakamura , T. Nakamura , Y. Nakamura , Y. Nakamura , T. Nonaka , H. Oda , S. Ogio , M. Ohnishi , H. Ohoka , Y. Oku , T. Okuda , Y. Omura , M. Ono , R. Onogi , A. Oshima , S. Ozawa , I. H. Park , M. S. Pshirkov , J. Remington , D. C. Rodriguez , G. Rubtsov , D. Ryu , H. Sagawa , R. Sahara , Y. Saito , N. Sakaki , T. Sako , N. Sakurai , K. Sano , T. Seki , K. Sekino , P. D. Shah , F. Shibata , T. Shibata , H. Shimodaira , B. K. Shin , H. S. Shin , J. D. Smith , P. Sokolsky , N. Sone , B. T. Stokes , T. A. Stroman , T. Suzawa , Y. Takagi , Y. Takahashi , M. Takamura , M. Takeda , R. Takeishi , A. Taketa , M. Takita , Y. Tameda , H. Tanaka , K. Tanaka , M. Tanaka , Y. Tanoue , S. B. Thomas , G. B. Thomson , P. Tinyakov , I. Tkachev , H. Tokuno , T. Tomida , S. Troitsky , Y. Tsunesada , Y. Uchihori , S. Udo , T. Uehama , F. Urban , T. Wong , K. Yada , M. Yamamoto , K. Yamazaki , J. Yang , K. Yashiro , M. Yosei , Y. Zhezher , Z. Zundel

Integrated Sensing and Communication (ISAC), as a fundamental technology of 6G, empowers Vehicle-to-Everything (V2X) systems with enhanced sensing capabilities. One of its promising applications is the reliance on constructed maps for…

Signal Processing · Electrical Eng. & Systems 2025-03-18 Hanyuan Jiang , Yuxiang Zhang , Yameng Liu , Jianhua Zhang , Lei Tian , Tao Jiang

We investigate the feasibility of detecting extensive air showers by the radar technique at viewing angles smaller than $\sim 25^\circ$ to the shower axis. Considering a bistatic radar setup and shower geometries in which the receiver…

High Energy Astrophysical Phenomena · Physics 2016-08-11 J. Stasielak , S. Baur , R. Engel , P. Neunteufel , J. Pekala , R. Šmída , F. Werner , H. Wilczyński

We present a scheme of the high-precise three-dimensional (3D) localization by the measurement of the atomic-level population. The scheme is applied to a four-level tripod-type atom coupled by three strong standing waves and a probe running…

Atomic Physics · Physics 2014-12-10 Vladimir S. Ivanov , Yuri V. Rozhdestvensky , Kalle-Antti Suominen

In Inverse Synthetic Aperture Radar (ISAR), random missing entries of the received radar echo matrix deteriorate the imaging quality, compromising target distinction from the background. Compressive sensing techniques or matrix completion…

Image and Video Processing · Electrical Eng. & Systems 2025-07-15 Necmettin Bayar , Isin Erer , Deniz Kumlu

Natural (such as lunar) occultations have long been used to study sources on small angular scales, while coronographs have been used to study high contrast sources. We propose launching the Improved Resolution and Image Selection (IRIS)…

Astrophysics · Physics 2016-08-30 Glenn D. Starkman , Craig J Copi

Deep, narrow-band Halpha observations taken with the TAURUS Tunable Filter (TTF) on the 4.2m WHT telescope are presented for two nearby radio galaxies with strong jet-cloud interactions. Although the brightest emission line components are…

Astrophysics · Physics 2009-10-31 C. N. Tadhunter , M. Villar-Martin , R. Morganti , J. Bland-Hawthorn , D. Axon

Roadside perception is a key component in intelligent transportation systems. In this paper, we present a novel three-dimensional (3D) extended object tracking (EOT) method, which simultaneously estimates the object kinematics and extent…

Signal Processing · Electrical Eng. & Systems 2024-04-30 Jiayin Deng , Zhiqun Hu , Yuxuan Xia , Zhaoming Lu , Xiangming Wen

The parabolic arc phenomenon visible in the Fourier analysis of the scintillation spectra of pulsars provides a new method of investigating the small scale structure in the ionized interstellar medium (ISM). We report archival observations…

Astrophysics · Physics 2011-02-11 Frank S. Trang , Barney J. Rickett

The Sun lies in the middle of an enormous cavity of a million degree gas, known as the Local Bubble. The Local Bubble is surrounded by a wall of denser neutral and ionized gas. The Local Bubble extends around 100 pc in the plane of Galaxy…

Astrophysics of Galaxies · Physics 2015-11-24 Jacco Th. van Loon , Amin Farhang , Atefeh Javadi , Mandy Bailey , Habib Khosroshahi

In this third paper in a series presenting observations by the Cassini Ultraviolet Imaging Spectrometer (UVIS) of the Io plasma torus, we show remarkable, though subtle, spatio-temporal variations in torus properties. The Io torus is found…

Astrophysics · Physics 2007-05-23 A. J. Steffl , P. A. Delamere , F. Bagenal

The infrared detection of a z>7 quasar has opened up a new window to directly probe the IGM during the epoch of reionization. In this paper we theoretically consider the possibility of detecting the ionized bubble around a z=8 quasar using…

Cosmology and Nongalactic Astrophysics · Physics 2012-10-24 Suman Majumdar , Somnath Bharadwaj , T. Roy Choudhury

Lattice radial quantization is introduced as a nonperturbative method intended to numerically solve Euclidean conformal field theories that can be realized as fixed points of known Lagrangians. As an example, we employ a lattice shaped as a…

High Energy Physics - Lattice · Physics 2013-11-26 Richard Brower , George Fleming , Herbert Neuberger

Realistic modeling of scattering from curved metallic bodies - such as vehicles and roadside structures - is essential for cellular and vehicular channel modeling as well as radar applications. A practical approach is to approximate curved…

Signal Processing · Electrical Eng. & Systems 2026-04-08 Ainur Ziganshin , Enrico M. Vitucci , Wim Kotterman , Reiner Thomae , Christian Schneider , Vittorio Degli-Esposti

Light travel time delays distort the apparent shapes of HII regions surrounding bright quasars during early stages of cosmic reionization. Individual HII regions may remain undetectable in forthcoming redshifted 21 cm experiments. However,…

Astrophysics · Physics 2009-11-13 Shiv Sethi , Zoltán Haiman

A new three-dimensional model of the solar photosphere is presented in this paper and made publicly available to the community. This model has the peculiarity that it has been obtained by inverting spectro-polarimetric observations, rather…

Solar and Stellar Astrophysics · Physics 2015-05-27 H. Socas-Navarro

Changes in the sky noise spectrum are used to characterize perturbations in the ionosphere. Observations were made at the same sidereal time on multiple days using a calibrated broadband dipole and radio spectrometer covering 80 to 185 MHz.…

Instrumentation and Methods for Astrophysics · Physics 2015-06-23 Alan E. E. Rogers , Judd D. Bowman , Juha Vierinen , Raul Monsalve , Thomas Mozdzen

We present a radiative transfer analysis of latitudinally resolved H (1.487-1.783 micron) and K (2.028-2.364 micron) band spectra of Uranus, from which we infer the distributions of aerosols and methane in the planet's atmosphere. Data were…

Earth and Planetary Astrophysics · Physics 2018-06-06 Michael T. Roman , Don Banfield , Peter J. Gierasch
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