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Experimental studies of shielding and radiation effects at Fermi National Accelerator Laboratory (FNAL) have been carried out under collaboration between FNAL and Japan, aiming at benchmarking of simulation codes and study of irradiation…

Accurate weak-lensing analysis requires not only accurate measurement of galaxy shapes but also precise and unbiased measurement of galaxy redshifts. The photometric redshift technique appears as the only possibility to determine the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 S. Jouvel , J-P. Kneib , G. Bernstein , O. Ilbert , P. Jelinsky , B. Milliard , A. Ealet , C. Schimd , T. Dahlen , S. Arnouts

High-precision astrometry at the sub-microarcsecond level opens up a window to study Earth-like planets in the habitable zones of Sun-like stars, and to determine their masses. It thus promises to play an important role in exoplanet science…

Earth and Planetary Astrophysics · Physics 2018-12-05 Markus Janson , Alexis Brandeker , Celine Boehm , Alberto Krone Martins

Spatiotemporal fusion aims to improve both the spatial and temporal resolution of remote sensing images, thus facilitating time-series analysis at a fine spatial scale. However, there are several important issues that limit the application…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Houcai Guo , Dingqi Ye , Lorenzo Bruzzone

The James Webb Space Telescope (JWST) is optimized for observations in the near and mid infrared and will provide essential observations for targets that cannot be conducted from the ground or other missions during its lifetime. The state…

Earth and Planetary Astrophysics · Physics 2016-01-11 Stefanie N. Milam , John A. Stansberry , George Sonneborn , Cristina Thomas

We use JWST NIRCam short wavelength photometry to capture a transit lightcurve of the exoplanet HAT-P-14 b to assess performance as part of instrument commissioning. The short wavelength precision is 152 ppm per 27 second integration as…

Astro-WISE is the Astronomical Wide-field Imaging System for Europe. It is a scientific information system which consists of hardware and software federated over about a dozen institutes throughout Europe. It has been developed to exploit…

Instrumentation and Methods for Astrophysics · Physics 2013-01-08 Hugo Buddelmeijer , O. Rees Williams , John P. McFarland , Andrey Belikov

We introduce the star formation and Supernova (SN) feedback model of the SATIN (Simulating AGNs Through ISM with Non-Equilibrium Effects) project to simulate the evolution of the star forming multi-phase interstellar medium (ISM) of entire…

Astrophysics of Galaxies · Physics 2023-06-28 Rebekka Bieri , Thorsten Naab , Sam Geen , Jonathan P. Coles , Rüdiger Pakmor , Stefanie Walch

The measurement of cosmic shear requires deep imaging with high image quality on many lines of sight to sample the statistics of large-scale structure. The expected distortion of galaxy images by cosmic shear on the STIS angular scale is a…

Near-future astronomical survey experiments, such as LSST, possess system requirements of unprecedented fidelity that span photometry, astrometry and shape transfer. Some of these requirements flow directly to the array of science imaging…

By the precise timing of the low amplitude (0.005 - 0.02 magnitude) transits of exoplanets around their parent star it should be possible to infer the presence of other planetary bodies in the system down to Earth-like masses. We describe…

Astrophysics · Physics 2008-09-22 I. A. Steele , S. D. Bates , N. Gibson , F. Keenan , J. Meaburn , C. J. Mottram , D. Pollacco , I. Todd

The James Webb Space Telescope (JWST) will perform exoplanet transit spectroscopy in the coming decade promising transformative science results. All four instruments on board can be used for this technique which reconstructs the atmospheric…

Earth and Planetary Astrophysics · Physics 2020-01-08 Subhajit Sarkar , Nikku Madhusudhan , Andreas Papageorgiou

We describe a camera beam simulator for the LSST which is capable of illuminating a 60mm field at f/1.2 with realistic astronomical scenes, enabling studies of CCD astrometric and photometric performance. The goal is to fully simulate LSST…

Instrumentation and Methods for Astrophysics · Physics 2014-11-21 J. A. Tyson , J. Sasian , K. Gilmore , A. Bradshaw , C. Claver , M. Klint , G. Muller , G. Poczulp , E. Resseguie

J-PLUS is an ongoing 12-band photometric optical survey, observing thousands of square degrees of the Northern hemisphere from the dedicated JAST/T80 telescope at the Observatorio Astrof\'isico de Javalambre. T80Cam is a 2 sq.deg…

Astrophysics of Galaxies · Physics 2019-08-13 A. J. Cenarro , M. Moles , D. Cristóbal-Hornillos , A. Marín-Franch , A. Ederoclite , J. Varela , C. López-Sanjuan , C. Hernández-Monteagudo , R. E. Angulo , H. Vázquez Ramió , K. Viironen , S. Bonoli , A. A. Orsi , G. Hurier , I. San Roman , N. Greisel , G. Vilella-Rojo , L. A. Díaz-García , R. Logroño-García , S. Gurung-López , D. Spinoso , D. Izquierdo-Villalba , J. A. L. Aguerri , C. Allende Prieto , C. Bonatto , J. M. Carvano , A. L. Chies-Santos , S. Daflon , R. A. Dupke , J. Falcón-Barroso , D. R. Gonçalves , Y. Jiménez-Teja , A. Molino , V. M. Placco , E. Solano , D. D. Whitten , J. Abril , J. L. Antón , R. Bello , S. Bielsa de Toledo , J. Castillo-Ramírez , S. Chueca , T. Civera , M. C. Díaz-Martín , M. Domínguez-Martínez , J. Garzarán-Calderaro , J. Hernández-Fuertes , R. Iglesias-Marzoa , C. Iñiguez , J. M. Jiménez Ruiz , K. Kruuse , J. L. Lamadrid , N. Lasso-Cabrera , G. López-Alegre , A. López-Sainz , N. Maícas , A. Moreno-Signes , D. J. Muniesa , S. Rodríguez-Llano , F. Rueda-Teruel , S. Rueda-Teruel , I. Soriano-Laguía , V. Tilve , L. Valdivielso , A. Yanes-Díaz , J. S. Alcaniz , C. Mendes de Oliveira , L. Sodré , P. Coelho , R. Lopes de Oliveira , A. Tamm , H. S. Xavier , L. R. Abramo , S. Akras , E. J. Alfaro , A. Alvarez-Candal , B. Ascaso , M. A. Beasley , T. C. Beers , M. Borges Fernandes , G. R. Bruzual , M. L. Buzzo , J. M. Carrasco , J. Cepa , A. Cortesi , M. V. Costa-Duarte , M. De Prá , G. Favole , A. Galarza , L. Galbany , K. Garcia , R. M. González Delgado , J. I. González-Serrano , L. A. Gutiérrez-Soto , J. A. Hernandez-Jimenez , A. Kanaan , H. Kuncarayakti , R. C. G. Landim , J. Laur , J. Licandro , G. B. Lima Neto , J. D. Lyman , J. Maíz Apellániz , J. Miralda-Escudé , D. Morate , J. P. Nogueira-Cavalcante , P. M. Novais , M. Oncins , I. Oteo , R. A. Overzier , C. B. Pereira , A. Rebassa-Mansergas , R. R. R. Reis , F. Roig , M. Sako , N. Salvador-Rusiñol , L. Sampedro , P. Sánchez-Blázquez , W. A. Santos , L. Schmidtobreick , B. B. Siffert , E. Telles

ImageJ is a graphical user interface (GUI) driven, public domain, Java-based, software package for general image processing traditionally used mainly in life sciences fields. The image processing capabilities of ImageJ are useful and…

Instrumentation and Methods for Astrophysics · Physics 2017-02-01 Karen A. Collins , John F. Kielkopf , Keivan G. Stassun , Frederic V. Hessman

NEMESISPY is a Python package developed to perform parametric atmospheric modelling and radiative transfer calculation for the retrievals of exoplanetary spectra. It is a recent development of the well-established Fortran NEMESIS library…

Earth and Planetary Astrophysics · Physics 2024-07-10 Jingxuan Yang , Juan Alday , Patrick Irwin

Within the efforts to bring frontline interactive astrophysics and astronomy to the classroom, the Hands on Universe (HOU) developed a set of exercises and platform using real data obtained by some of the most advanced ground and space…

Precise photometric and astrometric measurements on astronomical images require an accurate knowledge of the Point Spread Function (PSF). When the PSF cannot be modelled directly from the image, PSF-reconstruction techniques become the only…

Instrumentation and Methods for Astrophysics · Physics 2020-02-05 D. Massari , A. Marasco , O. Beltramo-Martin , J. Milli , G. Fiorentino , E. Tolstoy , F. Kerber

FAME is designed to perform an all-sky, astrometric survey with unprecedented accuracy. It will create a rigid astrometric catalog of 4x10^7 stars with 5 < m_V < 15. For bright stars, 5 < m_V < 9, FAME will determine positions and…