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Related papers: Simulating a dual beam combiner at SUSI for narrow…

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The Planet Formation Imager (PFI) initiative aims at developing the next generation large scale facility for imaging astronomical optical interferometry operating in the mid-infrared. Here we report on the progress of the Planet Formation…

Instrumentation and Methods for Astrophysics · Physics 2016-08-18 Stefano Minardi , Sylvestre Lacour , Jean-Philippe Berger , Lucas Labadie , Robert R. Thomson , Chris Haniff , Michael Ireland

An all-sky sample of 1227 visual binaries based on Washington Double Star catalogue is constructed to infer the IMF, mass ratio, and projected distance distribution with a dedicated population synthesis model. Parallaxes from Gaia DR2 and…

Solar and Stellar Astrophysics · Physics 2020-12-02 Dmitry Chulkov

Using neural networks, we integrate the ability to account for Doppler smearing due to a pulsar's orbital motion with the pulsar population synthesis package \psrpoppy\ to develop accurate modeling of the observed binary pulsar population.…

High Energy Astrophysical Phenomena · Physics 2021-05-12 Nihan Pol , Maura McLaughlin , Duncan R. Lorimer , Nathan Garver-Daniels

The Laser Interferometer Space Antenna (LISA) is a proposed space mission for the detection of gravitational waves. It consists of three drag-free satellites flying in a triangular constellation. A gravitational reference sensor is used in…

Instrumentation and Methods for Astrophysics · Physics 2013-02-08 Andreas Zoellner , Eric Hultgren , Ke-Xun Sun

In order to operationalize the Australia Telescope Compact Array (ATCA) for space situational awareness (SSA) applications, we develop a system model for range and direction of arrival (DOA) estimation based on the interferometric data. We…

Instrumentation and Methods for Astrophysics · Physics 2023-10-10 Hamed Nosrati , Stephanie Smith , Douglas B. Hayman

Ultrasound molecular imaging (UMI) is an advanced imaging modality that shows promise in detecting cancer at early stages. It uses microbubbles as contrast agents, which are functionalized to bind to cancer biomarkers overexpressed on…

BIFROST will be a short-wavelength ($\lambda$ = 1.0 - 1.7$\mu$m) beam combiner for the VLT Interferometer, combining both high spatial ($\lambda$/2B = 0.8 mas) and spectral (up to R = 25,000) resolution. It will be part of the Asgard Suite…

Instrumentation and Methods for Astrophysics · Physics 2022-08-11 Daniel J. Mortimer , Sorabh Chhabra , Stefan Kraus , Narsireddy Anugu , Romain Laugier , Jean-Baptiste Le Bouquin , John D. Monnier

The far-infrared and submillimeter portions of the electromagnetic spectrum provide a unique view of the astrophysical processes present in the early universe. Micro-Spec ($\mu$-Spec), a high-efficiency direct-detection spectrometer concept…

Instrumentation and Methods for Astrophysics · Physics 2015-05-20 Giuseppe Cataldo , Samuel H. Moseley , Edward J. Wollack

The Extreme Universe Space Observatory Supper Pressure Balloon 2 (EUSO-SPB2) is under development, and will prototype instrumentation for future satellite-based missions, including the Probe of Extreme Multi-Messenger Astrophysics (POEMMA).…

Instrumentation and Methods for Astrophysics · Physics 2022-09-21 G. Filippatos , M. Battisti , M. Bertaina , F. Bisconti , J. Esser , C. Heaton , G. Osteria , F. Sarazin , L. Wiencke

We overview the current status of photometric analyses of images collected with Multi Conjugate Adaptive Optics (MCAO) at 8-10m class telescopes that operated, or are operating, on sky. Particular attention will be payed to resolved stellar…

As Part I of a paper series showcasing a new imaging framework, we consider the recently proposed unconstrained Sparsity Averaging Reweighted Analysis (uSARA) optimisation algorithm for wide-field, high-resolution, high-dynamic range,…

Instrumentation and Methods for Astrophysics · Physics 2023-09-11 Amanda G. Wilber , Arwa Dabbech , Adrian Jackson , Yves Wiaux

FIRST (Fibered Imager foR a Single Telescope instrument) is a post-AO instrument that enables high contrast imaging and spectroscopy at spatial scales below the diffraction limit. FIRST achieves sensitivity and accuracy by a unique…

Instrumentation and Methods for Astrophysics · Physics 2021-02-15 K. Barjot , E. Huby , S. Vievard , N. Cvetojevic , S. Lacour , G. Martin , V. Deo , V. Lapeyrere , D. Rouan , O. Guyon , J. Lozi , N. Jovanovic , C. Cassagenettes , G. Perrin , F. Marchis , G. Duchêne , T. Kotani

MAVIS (the MCAO-Assisted Visible Imager and Spectrograph), planned for the VLT Adaptive Optics Facility, represents an innovative step in Multi-Conjugate Adaptive Optics (MCAO) systems, particularly in its operation at visible wavelengths…

We present a mock catalogue for the Physics of the Accelerating Universe Survey (PAUS) and use it to quantify the competitiveness of the narrow band imaging for measuring spectral features and galaxy clustering. The mock agrees with…

We propose a possibility to improve the current precision measurements on compact binaries. When the orbital axis is almost perpendicular to our line of sight, a pulsar behind its companion can form two strong-lensing images. These images…

General Relativity and Quantum Cosmology · Physics 2015-03-25 Ue-Li Pen , I-Sheng Yang

We present two millisecond pulsar discoveries from the PALFA survey of the Galactic plane with the Arecibo telescope. PSR J1955+2527 is an isolated pulsar with a period of 4.87 ms, and PSR J1949+3106 has a period of 13.14 ms and is in a…

The Physics of the Accelerating Universe (PAU) camera is an optical narrow band and broad band imaging instrument mounted at the prime focus of the William Herschel Telescope. We describe the image calibration procedure of the PAU Survey…

Stars of Pulkovo observatory program are observed on 65-cm refractor during many years for study their positions and movement. We represent example of two visual binary stars, for which orbits and masses of components were determined, and…

Solar and Stellar Astrophysics · Physics 2018-08-15 N. A. Shakht , D. L. Gorshanov , O. O. Vasilkova

We discuss the design, construction, and operation of a new intensity interferometer, based on the campus of Southern Connecticut State University in New Haven, Connecticut. While this paper will focus on observations taken with an original…

Instrumentation and Methods for Astrophysics · Physics 2022-02-02 Elliott P. Horch , Samuel A. Weiss , Paul M. Klaucke , Richard A. Pellegrino , Justin D. Rupert

The Single Particles, Clusters and Biomolecules (SPB) instrument at the European XFEL is located behind the SASE1 undulator, and aims to support imaging and structure determination of biological specimen between about 0.1 micrometer and 1…