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Accurate lower-limb joint kinematic estimation is critical for applications such as patient monitoring, rehabilitation, and exoskeleton control. While previous studies have employed wearable sensor-based deep learning (DL) models for…

Robotics · Computer Science 2024-11-26 Changseob Song , Bogdan Ivanyuk-Skulskyi , Adrian Krieger , Kaitao Luo , Inseung Kang

Asteroseismology, i.e. the study of the internal structures of stars via their global oscillations, is a valuable tool to obtain stellar parameters such as mass, radius, surface gravity and mean density. These parameters can be obtained…

Solar and Stellar Astrophysics · Physics 2015-06-16 S. Hekker , Y. Elsworth , S. Basu , A. Mazumdar , V. Silva Aguirre , W. J. Chaplin

The properties of a transiting planet's host star are written in its transit light curve. The light curve can reveal the stellar density and the limb darkening profile in addition to the characteristics of the planet and its orbit. For…

Earth and Planetary Astrophysics · Physics 2017-11-29 Emily Sandford , David Kipping

We present a new method to measure the redshift-dependent galaxy bias by combining information from the galaxy density field and the weak lensing field. This method is based on Amara et al. (2012), where they use the galaxy density field to…

We have recorded three lunar occultations of Aldebaran (AlfTau) at different telescopes and using various band-passes, from the ultraviolet to the far red. The data have been analyzed using both model-dependent and model-independent…

Solar and Stellar Astrophysics · Physics 2016-10-02 A. Richichi , V. Dyachenko , A. K. Pandey , S. Sharma , O. Tasuya , Y. Balega , A. Beskakotov , D. Rastegaev , V. S. Dhillon

Context. Recently our ability to study stars using asteroseismic techniques has increased dramatically, largely through the use of space based photometric observations. Work has also been done using ground based spectroscopic observations…

Solar and Stellar Astrophysics · Physics 2018-10-03 Jesper Schou

We extend the Bayesian model fitting shape measurement method presented in Miller et al. (2007) and use the method to estimate the shear from the Shear TEsting Programme simulations (STEP). The method uses a fast model fitting algorithm…

Astrophysics · Physics 2009-11-13 T. D. Kitching , L. Miller , C. E. Heymans , L. van Waerbeke , A. F. Heavens

In order to reach the required performance of Stage-III and IV weak lensing surveys, cosmic shear measurements have to rely on external simulations to calibrate residual biases. Over the years, several techniques have been developed to…

Cosmology and Nongalactic Astrophysics · Physics 2025-12-11 G. Congedo , A. N. Taylor

Although commonly employed by X-ray astronomers, maximum likelihood estimators are known to be biased. In this paper we investigate the bias associated to the measure of the temperature from an X-ray thermal spectrum. We show that, in the…

Astrophysics · Physics 2009-08-13 A. Leccardi , S. Molendi

We extend a data-based model-free multifractal method of exoplanet detection to probe exoplanetary atmospheres. Whereas the transmission spectrum is studied during the primary eclipse, we analyze the emission spectrum during the secondary…

Earth and Planetary Astrophysics · Physics 2021-05-25 Sahil Agarwal , John S. Wettlaufer

Exploiting the full statistical power of future cosmic shear surveys will necessitate improvements to the accuracy with which the gravitational lensing signal is measured. We present a framework for calibrating shear with image simulations…

We explore the nature of the evolution of faint field galaxies by assuming that the local luminosity function is not well defined. We use a non-negative least squares technique to derive a near optimal set of local luminosity functions for…

Astrophysics · Physics 2009-10-22 Caryl Gronwall , David C. Koo

We forecast the detectability of the lensing footprint of a collapsing cosmic texture, a topological defect proposed as an explanation of the CMB Cold Spot. Our pipeline is a quadratic, template-amplitude estimator for localized,…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-08 Pedro da Silveira Ferreira , Stephen Owusu

We present the first "clipped" cosmic shear measurement using data from the Kilo-Degree Survey (KiDS-450). "Clipping" transformations suppress the signal from the highest density, non-linear regions of cosmological fields. We demonstrate…

The solar diameter changes or not? Whatever will be the answer the methods used for its measurements are more and more challenging, and facing new astrophysical and optical problems since the required space resolution is of astrometric…

Solar and Stellar Astrophysics · Physics 2011-06-14 Costantino Sigismondi

Gravitational microlensing is not only a successful tool for discovering distant exoplanets, but it also enables characterization of the lens and source stars involved in the lensing event. In high magnification events, the lens caustic may…

Solar and Stellar Astrophysics · Physics 2015-05-18 P. Fouque , D. Heyrovsky , S. Dong , A. Gould , A. Udalski , M. D. Albrow , V. Batista , J. -P. Beaulieu , D. P. Bennett , I. A. Bond , D. M. Bramich , S. Calchi Novati , A. Cassan , C. Coutures , S. Dieters , M. Dominik , D. Dominis Prester , J. Greenhill , K. Horne , U. G. Jorgensen , S. Kozlowski , D. Kubas , C. -H. Lee , J. -B. Marquette , M. Mathiasen , J. Menzies , L. A. G. Monard , S. Nishiyama , I. Papadakis , R. Street , T. Sumi , A. Williams , J. C. Yee , S. Brillant , J. A. R. Caldwell , A. Cole , K. H. Cook , J. Donatowicz , N. Kains , S. R. Kane , R. Martin , K. R. Pollard , K. C. Sahu , Y. Tsapras , J. Wambsganss , M. Zub , D. L. DePoy , B. S. Gaudi , C. Han , C. -U. Lee , B. -G. Park , R. W. Pogge , M. Kubiak , M. K. Szymanski , G. Pietrzynski , I. Soszynski , O. Szewczyk , K. Ulaczyk , L. Wyrzykowski , F. Abe , A. Fukui , K. Furusawa , A. C. Gilmore , J. B. Hearnshaw , Y. Itow , K. ~Kamiya , P. M. Kilmartin , A. V. Korpela , W. Lin , C. H. Ling , K. Masuda , Y. Matsubara , N. Miyake , Y. Muraki , M. Nagaya , K. Ohnishi , T. Okumura , Y. Perrott , N. J. Rattenbury , To. Saito , T. Sako , S. Sato , L. Skuljan , D. Sullivan , W. Sweatman , P. J. Tristram , P. C. M. Yock , A. Allan , M. F. Bode , M. J. Burgdorf , N. Clay , S. N. Fraser , E. Hawkins , E. Kerins , T. A. Lister , C. J. Mottram , E. S. Saunders , C. Snodgrass , I. A. Steele , P. J. Wheatley , T. Anguita , V. Bozza , K. Harpsoe , T. C. Hinse , M. Hundertmark , P. Kjaergaard , C. Liebig , L. Mancini , G. Masi , S. Rahvar , D. Ricci , G. Scarpetta , J. Southworth , J. Surdej , C. C. Thone , A. Riffeser , S. ~Seitz , R. Bender

We describe the Cool Opacity-sampling Dynamic EXtended (CODEX) atmosphere models of Mira variable stars, and examine in detail the physical and numerical approximations that go in to the model creation. The CODEX atmospheric models are…

Astrophysics · Physics 2009-11-13 M. J. Ireland , M. Scholz , P. R. Wood

We discuss variants of Cold Dark Matter (CDM) dominated cosmological models that give good agreement with a range of observations. We consider models with hot dark matter, tilt, $\Omega < 1$, or a cosmological constant. We also discuss the…

Astrophysics · Physics 2007-05-23 Rachel S. Somerville , Joel R. Primack

Libraries of stellar spectra, such as ELODIE (Prugniel & Soubiran 2001), CFLIB (Valdes et al. 2004), or MILES (S\'anchez-Bl\'azquez et al. 2006), are used for a variety of applications, and especially in modelling stellar populations (e. g.…

Solar and Stellar Astrophysics · Physics 2018-07-24 Kaushal Sharma , H. P. Singh , A. Kashyap , P. Prugniel

We present a solution for the light curve of two bodies mutually transiting a star with polynomial limb darkening. The term "mutual transit" in this work refers to a transit of the star during which overlap occurs between the two transiting…

Earth and Planetary Astrophysics · Physics 2022-08-31 Tyler A. Gordon , Eric Agol