English
Related papers

Related papers: The Science Performance of the Gemini High Resolut…

200 papers

Assessing the presence of chemical, biological, radiological and nuclear threats is a crucial task which is usually dealt with by analyzing the presence of spectral features in a measured absorption profile. The use of quantum light allows…

The HERMES high-resolution spectrograph project aims at exploiting the specific potential of small but flexible telescopes in observational astrophysics. The optimised optical design of the spectrograph is based on the well-proven concept…

A large wide-field telescope and camera with optical throughput over 200 m^2 deg^2 -- a factor of 50 beyond what we currently have -- would enable the detection of faint moving or bursting optical objects: from Earth threatening asteroids…

Astrophysics · Physics 2009-11-07 J. Anthony Tyson , the LSST Collaboration

The Faint Infrared Grism Survey (FIGS) is a deep Hubble Space Telescope (HST) WFC3/IR (Wide Field Camera 3 Infrared) slitless spectroscopic survey of four deep fields. Two fields are located in the Great Observatories Origins Deep…

Understanding realistic hand-object interactions from monocular RGB videos is essential for AR/VR, robotics, and embodied AI. Existing methods rely on category-specific templates or heavy computation, yet still produce physically…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Ahmed Tawfik Aboukhadra , Marcel Rogge , Nadia Robertini , Abdalla Arafa , Jameel Malik , Ahmed Elhayek , Didier Stricker

INTEGRAL/SPI is a coded mask instrument observing since 2002 in the keV to MeV energy range, which covers the peak of the $\nu F\nu$ spectrum of most Gamma-Ray Bursts (GRBs). Since its launch in 2008, Fermi/GBM has been the primary…

High Energy Astrophysical Phenomena · Physics 2022-07-20 Björn Biltzinger , Jochen Greiner , J. Michael Burgess , Thomas Siegert

The Hector Galaxy Survey is a new optical integral field spectroscopy (IFS) survey currently using the AAT to observe up to 15,000 galaxies at low redshift ($z < 0.1$). The Hector instrument employs 21 optical fibre bundles feeding into two…

The Hundred-deg$^2$ HI Deep (HD$^2$) survey carried out with the Five-hundred-meter Aperture Spherical Telescope (FAST) is planned to map a contiguous region within the DESI DR1 footprint, achieving an effective integration time of 20…

Scanning helium microscopy (SHeM) is attractive for imaging delicate and insulating surfaces because it combines a non-destructive neutral-atom probe with strong surface sensitivity. However, large-working-distance pinhole instruments have…

We present results of a Gemini adaptive optics (AO) imaging program to investigate the host galaxies of typical QSOs at z~2. Our aim is to study the host galaxies of typical, L*_qso QSOs at the epoch of peak QSO and star formation activity.…

Astrophysics · Physics 2011-03-10 Scott Croom , David Schade , Brian Boyle , Tom Shanks , Lance Miller , Robert Smith

The Five-hundred-meter Aperture Spherical radio Telescope (FAST) has the largest aperture and a 19-beam L-band receiver, making it powerful for investigating the neutral hydrogen atomic gas (HI) in the universe. We present HiFAST…

We demonstrate coherent dual frequency-comb spectroscopy for detecting variations in greenhouse gases. High signal-to-noise spectra are acquired spanning 5990 to 6260 cm^-1 (1600 to 1670 nm) covering ~700 absorption features from CO2, CH4,…

The Energetic X-ray Imaging Survey Telescope (EXIST) is a proposed next generation multi-wavelength survey mission. The primary instrument is a High Energy telescope (HET) that conducts the deepest survey for Gamma-ray Bursts (GRBs),…

Instrumentation and Methods for Astrophysics · Physics 2015-05-14 J. Hong , J. E. Grindlay , B. Allen , S. D. Barthelmy , G. K. Skinner , N. Gehrels , the EXIST HET Working Group

High-resolution spectroscopy (R>50,000) in astronomy typically uses echelle-type spectrographs, which excel for exoplanet detection via radial velocity but compromise throughput for atmospheric characterization. We propose and test a novel…

Instrumentation and Methods for Astrophysics · Physics 2025-06-18 Casper Farret Jentink , Francesco Pepe , Christophe Lovis , Christian Schwab , François Wildi , Andrew Clawson

Direct access to the electric field of light provides a subcycle view of the polarization response of matter, thus enabling sensitive metrology in physics, chemistry, and medicine. Optical-field sampling techniques take advantage of some…

Optics · Physics 2021-11-19 Dmitry A. Zimin , Vladislav S. Yakovlev , Nicholas Karpowicz

We present the results of the Gemini Deep Planet Survey, a near-infrared adaptive optics search for giant planets and brown dwarfs around nearby young stars. The observations were obtained with the Altair adaptive optics system at the…

Hitomi (ASTRO-H) carries two Hard X-ray Telescopes (HXTs) that can focus X-rays up to 80 keV. Combined with the Hard X-ray Imagers (HXIs) that detect the focused X-rays, imaging spectroscopy in the high-energy band from 5 keV to 80 keV is…

Instrumentation and Methods for Astrophysics · Physics 2018-08-06 H. Matsumoto , H. Awaki , M. Ishida , A. Furuzawa , S. Yamauchi , Y. Maeda , I. Mitsuishi , Y. Haba , T. Hayashi , R. Iizuka , K. Ishibashi , M. Itoh , H. Kunieda , T. Miyazawa , H. Mori , T. Okajima , S. Sugita , K. Tamura. , Y. Tawara

The Energetic X-ray Imaging Survey Telescope (EXIST) mission concept is optimized for study of high-z GRBs as probes of the early Universe. With a High Energy Telescope (HET) incorporating a 4.5m^2 5-600keV (CZT; 0.6mm pixels) detector…

Cosmology and Nongalactic Astrophysics · Physics 2009-06-25 Jonathan Grindlay , the EXIST Team

In this paper (Paper II) we complete our discussion on the results of a comprehensive GEANT simulation of the scientific performance of the AGILE Gamma-Ray Imaging Detector (GRID), operating in the 30 MeV - 50 GeV energy range in an…

Astrophysics · Physics 2015-06-24 Veronica Cocco , Francesco Longo , Marco Tavani