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200 papers

A comprehensive description of ESO in the current global astronomical context, and its plans for the next decade and beyond, are presented. This survey covers all aspects of the Organisation, including the optical-infrared programme at the…

Instrumentation and Methods for Astrophysics · Physics 2017-01-19 Tim de Zeeuw

The Large Observatory for X-ray Timing (LOFT) is one of the four candidate ESA M3 missions considered for launch in the 2022 time-frame. It is specifically designed to perform fast X-ray timing and probe the status of the matter near black…

In this paper, we discuss the benefits of ground-based, adaptive optics (AO) aided observations for star formation research. After outlining the general advantages, we present results obtained during the ALFA science demonstration programme…

Astrophysics · Physics 2015-06-24 M. Feldt , M. Kasper , F. Eisenhauer , S. Hippler

We present technical, instrumental, and software upgrades completed and planned at astronomical observatory called "Osservatorio Astronomico Regionale Parco Antola, Fascia" (OARPAF), hosting an 80cm, alt-az Cassegrain-Nasmyth telescope. The…

Instrumentation and Methods for Astrophysics · Physics 2021-11-17 D. Ricci , L. Cabona , A. La Camera , C. Righi , F. Nicolosi , S. Tosi

Preliminary site testing datasets suggest that Dome C in Antarctica is one of the best sites on Earth for astronomical observations in the 200 to 500 micron regime, i.e. for far-infrared (FIR) and submillimetre (submm) astronomy. We present…

Radio pulses emitted in the atmosphere during the air shower development of high-energy primary cosmic rays were measured during the late 1960ies in the frequency range from 2 MHz to 520 MHz. Mainly due to difficulties with radio…

Astrophysics · Physics 2007-05-23 LOPES Collaboration , A. Horneffer

It has long been known that luminous, ultra-steep spectrum radio sources are preferentially associated with massive galaxies at high redshifts. Here we describe a pilot project directed at such objects, to demonstrate the feasibility and…

Astrophysics of Galaxies · Physics 2023-08-02 C. M. Cordun , R. Timmerman , G. K. Miley , R. J. van Weeren , F. Sweijen , L. K. Morabito , H. J. A. Röttgering

The 2025 UK National Astronomy Meeting (NAM) in Durham played host to a session titled "Unseen Astronomy", involving a variety of astronomy researchers in diverse fields. This unique meeting focussed on a number of novel projects exploring…

Instrumentation and Methods for Astrophysics · Physics 2026-04-13 Dr James W. Trayford

The most pressing problems in modern astrophysics have often required the largest telescopes. With the cost scaling of mirror diameters, the field as a whole is faced with a challenge -- how to replicate or improve on the collecting area…

Instrumentation and Methods for Astrophysics · Physics 2025-09-03 Megan Delamer , Suvrath Mahadevan , Chad Bender , Ceiwynn Longworth , Roger Angel , Joel Berkson , On To Sonja Choi , Kathleen Gehoski , Andy Monson , Chrisitan Schwab

Adaptive Optics is a prime example of how progress in observational astronomy can be driven by technological developments. At many observatories it is now considered to be part of a standard instrumentation suite, enabling ground-based…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 R. Davies , M. Kasper

Within the last 10 years, long-baseline optical interferometry (LBOI) has benefited significantly from increased sensitivity, spatial resolution, and spectral resolution, e.g., measuring the diameters and asymmetries of single stars,…

We describe in some detail one of the instruments that will be available in 2004 to the research community. FRODOSpec is an integral field unit spectrograph that will be available for use with the 2 m robotic Liverpool Telescope on the…

Astrophysics · Physics 2009-11-10 L. Morales-Rueda , D. Carter , I. A. Steele , P. A. Charles , S. Worswick

The Low Frequency Array (LOFAR) Two-metre Sky Survey (LoTSS) is a sensitive, high-resolution 120-168 MHz survey split across multiple tiers over the northern sky. The first LoTSS Deep Fields data release consists of deep radio continuum…

LOFT is a satellite mission currently in Assessment Phase for the ESA M3 selection. The payload is composed of the Large Area Detector (LAD), with 2-50 keV energy band, a peak effective area of about 10 m2 and an energy resolution better…

High Energy Astrophysical Phenomena · Physics 2015-06-15 L. Amati , E. Del Monte , V. D'Elia , B. Gendre , R. Salvaterra , G. Stratta

LOFT (Large Observatory For x-ray Timing) is one of the ESA M3 missions selected within the Cosmic Vision program in 2011 to carry out an assessment phase study and compete for a launch opportunity in 2022-2024. The phase-A studies of all…

The Large Observatory For X-ray Timing, LOFT, was selected by the European Space Agency as one of the four Cosmic Vision M3 candidate missions to compete for a launch opportunity at the start of the 2020s. Thanks to an innovative design and…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 E. Bozzo , J. W. den Herder , M. Feroci , L. Stella

The Star Watch extreme-precision astrometry mission (0.1 - 1.0 uas) builds on technology developed, and validated, during the SIM (Space Interferometry Mission) project. The sole science instrument is an optical interferometer with 50-cm…

Instrumentation and Methods for Astrophysics · Physics 2019-07-19 Philip Horzempa

We present the most recent technical improvements on SpIOMM, an Imaging Fourier Transform Spectrometer (IFTS) attached to the 1.6 telescope of the Mont M\'egantic Observatory. The recent development of SpIOMM demonstrates that the concept…

Astrophysics · Physics 2009-11-13 A. -P. Bernier , M. Charlebois , L. Drissen , F. Grandmont

The active broadband (1 kHz-100 MHz) tripole antenna now envisaged to be placed on the European Lunar Lander located at the Lunar South Pole allows for sensitive measurements of the exosphere and ionosphere, and their interaction with the…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 Marc Klein Wolt , Amin Aminaei , Philippe Zarka , Jan-Rutger Schrader , Albert-Jan Boonstra , Heino Falcke

SeeFar is an evolving collection of multi-resolution satellite images from public and commercial satellites. We specifically curated this dataset for training geospatial foundation models, unconstrained by satellite type. In recent years,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-12 James Lowman , Kelly Liu Zheng , Roydon Fraser , Jesse Van Griensven The , Mojtaba Valipour