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Multi-detector observations of individual air showers are critical to make significant progress to precisely determine cosmic-ray quantities such as mass and energy of individual events and thus bring us a step forward in answering the open…

Instrumentation and Methods for Astrophysics · Physics 2021-07-22 Alan Coleman

Recently, event-based vision sensors have gained attention for autonomous driving applications, as conventional RGB cameras face limitations in handling challenging dynamic conditions. However, the availability of real-world and synthetic…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Manideep Reddy Aliminati , Bharatesh Chakravarthi , Aayush Atul Verma , Arpitsinh Vaghela , Hua Wei , Xuesong Zhou , Yezhou Yang

After a pedagogical introduction to the main concepts of synthetic photometry, colours and bolometric corrections in the Johnson-Cousins, 2MASS, and HST-ACS/WFC3 photometric systems are generated from MARCS synthetic fluxes for various…

Solar and Stellar Astrophysics · Physics 2014-09-15 Luca Casagrande , Don A. VandenBerg

We present Bell tests for optical continuous variable systems, combining both hybrid measurements (i.e. measuring both particle and wave aspects of light) and heralded amplifiers. We discuss two types of schemes, in which the amplifier is…

Quantum Physics · Physics 2012-05-07 Jonatan Bohr Brask , Nicolas Brunner , Daniel Cavalcanti , Anthony Leverrier

Photospheric velocities and stellar activity features such as spots and faculae produce measurable radial velocity signals that currently obscure the detection of sub-meter-per-second planetary signals. However, photospheric velocities are…

Earth and Planetary Astrophysics · Physics 2017-09-06 Allen B. Davis , Jessi Cisewski , Xavier Dumusque , Debra A. Fischer , Eric B. Ford

The Ultra-Violet Optical Telescope on the Swift spacecraft has observed hundreds of supernovae, covering all major types and most subtypes. Here we introduce the Swift Optical/Ultraviolet Supernova Archive (SOUSA), which will contain all of…

High Energy Astrophysical Phenomena · Physics 2015-06-22 Peter J. Brown , Alice A. Breeveld , Stephen Holland , Paul Kuin , Tyler Pritchard

Visual object tracking, as a fundamental task in computer vision, has drawn much attention in recent years. To extend trackers to a wider range of applications, researchers have introduced information from multiple modalities to handle…

Computer Vision and Pattern Recognition · Computer Science 2020-12-09 Pengyu Zhang , Dong Wang , Huchuan Lu

Eclipse timing variations (ETV) have been a successful tool for detecting circumbinary companions to eclipsing binaries (EB). While TESS and Kepler have been prolific for ETV searches, they sometimes can be limited by time and sky coverage…

Analysis of spatial multivariate data, i.e., measurements at irregularly-spaced locations, is a challenging topic in visualization and statistics alike. Such data are integral to many domains, e.g., indicators of valuable minerals are…

Human-Computer Interaction · Computer Science 2023-08-15 Nikolaus Piccolotto , Markus Bögl , Christoph Muehlmann , Klaus Nordhausen , Peter Filzmoser , Silvia Miksch

We analyzed the electrophysiological response of an isolated rod photoreceptor of Xenopus laevis under stimulation by coherent and pseudo-thermal light sources. Using the suction electrode technique for single cell recordings and a fiber…

Biological Physics · Physics 2015-06-03 Nigel Sim , Mei Fun Cheng , Dmitri Bessarab , C. Michael Jones , Leonid A. Krivitsky

We present a data model describing the structure of spectrophotometric datasets with spectral and temporal coordinates and associated metadata. This data model may be used to represent spectra, time series data, segments of SED (Spectral…

The residential electrical energy scheduling of solar Photovoltaics (PV) is an important research area of the modern green buildings. On the demand side, factors such as building load, and the renewable PV energy resources are integrated…

Systems and Control · Electrical Eng. & Systems 2021-03-16 Sara Zainaa , Shima Sadaf , Ansaruddin Kunjuc , Mohammad Meraj , Devrim Unal , Farid Touati

At present, microlensing light curves from different telescopes and filters are photometrically aligned by fitting them to a common model. We present a second method based on photometry of common field stars. If two spectral responses are…

Earth and Planetary Astrophysics · Physics 2014-11-20 Andrew Gould , Subo Dong , David P. Bennett , Ian A. Bond , Andrzej Udalski , Szymon Kozlowski

The spectral indexes distribution of a quasar sample is derived from a far-UV survey. A red average spectrum is found which comes in support of significant evolution of the QSO spectral energy distribution (SED) since $z\approx2.5$.

Astrophysics · Physics 2016-08-15 S. Faïsse , B. Milliard

To accurately estimate locations and velocities of surrounding targets (cars) is crucial for advanced driver assistance systems based on radar sensors. In this paper we derive methods for fusing data from multiple radar sensors in order to…

Signal Processing · Electrical Eng. & Systems 2019-08-08 Bin Zhu , Augusto Ferrante , Johan Karlsson , Mattia Zorzi

We present new near-infrared (IR) spectra (0.80-1.35um) of the pre-Main Sequence source PV Cep taken during a monitoring program of eruptive variables we are conducting since some years. Simultaneous photometric and spectroscopic…

Solar and Stellar Astrophysics · Physics 2015-06-11 D. Lorenzetti , S. Antoniucci , T. Giannini , A. Di Paola , A. A. Arkharov , V. M. Larionov

We present a combined analysis of the optical spectral variability for two samples of QSOs, 42 objects at $z<0.4$ monitored at the Wise Observatory (Giveon et al 1999), plus 59 objects up to $z\sim 3$ in the field of the Magellanic Clouds,…

Astrophysics · Physics 2007-05-23 F. Vagnetti , D. Trevese

The stellar evolution theory of massive stars remains uncalibrated with high-precision photometric observational data mainly due to a small number of luminous stars that are monitored from space. Automated all-sky surveys have revealed…

Solar and Stellar Astrophysics · Physics 2017-02-08 Jaan Laur , Indrek Kolka , Tõnis Eenmäe , Taavi Tuvikene , Laurits Leedjärv

In this paper, we present a dataset capturing diverse visual data formats that target varying luminance conditions. While RGB cameras provide nourishing and intuitive information, changes in lighting conditions potentially result in…

Robotics · Computer Science 2022-04-15 Alex Junho Lee , Younggun Cho , Young-sik Shin , Ayoung Kim , Hyun Myung

Since 2004, we have been engaged in a long-term observing program to monitor young stellar objects in the Orion Nebula Cluster. We have collected about two thousands frames in V, R, and I broad-band filters on more than two hundred nights…

Solar and Stellar Astrophysics · Physics 2015-05-13 Padmakar Parihar , Sergio Messina , Elisa Distefano , Shantikumar N. S. , Biman J. Medhi
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