Search Results - "Wildi, F"
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Three Radial Gaps in the Disk of TW Hydrae Imaged with SPHERE
Published in The Astrophysical journal (10-03-2017)“…We present scattered light images of the TW Hya disk performed with the Spectro-Polarimetric High-contrast Exoplanet REsearch instrument in Polarimetric…”
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The Geneva Reduction and Analysis Pipeline for High-contrast Imaging of planetary Companions
Published in Monthly notices of the Royal Astronomical Society (11-01-2016)“…We present graphic, a new angular differential imaging reduction pipeline where all geometric image operations are based on Fourier transforms. To achieve this…”
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Broadband near-infrared astronomical spectrometer calibration and on-sky validation with an electro-optic laser frequency comb
Published in Optics express (24-12-2018)“…The quest for extrasolar planets and their characterization as well as studies of fundamental physics on cosmological scales rely on capabilities of…”
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Investigation of the inner structures around HD 169142 with VLT/SPHERE
Published in Monthly notices of the Royal Astronomical Society (01-01-2018)“…Abstract We present observations of the Herbig Ae star HD 169142 with the VLT/SPHERE instruments InfraRed Dual-band Imager and Spectrograph (IRDIS) (K1K2 and…”
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5
Accuracy of EUS in staging of T4 lung cancer
Published in Gastrointestinal endoscopy (01-03-2004)“…Increasingly, EUS is being used to stage lung cancer. Direct mediastinal invasion (T4) by lung cancer is stage IIIb disease. Patients in this stage have a…”
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Journal Article Conference Proceeding -
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High-Resolution Mid-Infrared Imaging of the Asymptotic Giant Branch Star RV Bootis with the Steward Observatory Adaptive Optics System
Published in The Astrophysical journal (10-02-2005)“…We present high-resolution (60".1), very high Strehl ratio (0.97 c 0.03) mid-IR adaptive optics (AO) images of the asymptotic giant branch (AGB) star RV Boo…”
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SPIRou: NIR velocimetry and spectropolarimetry at the CFHT
Published in Monthly notices of the Royal Astronomical Society (01-11-2020)“…ABSTRACT This paper presents an overview of SPIRou, the new-generation near-infrared spectropolarimeter/precision velocimeter recently installed on the 3.6-m…”
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Ultraviolet astronomical spectrograph calibration with laser frequency combs from nanophotonic lithium niobate waveguides
Published in Nature communications (02-09-2024)“…Astronomical precision spectroscopy underpins searches for life beyond Earth, direct observation of the expanding Universe and constraining the potential…”
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9
Remote monitoring of vigilance behavior in large herbivores using acceleration data
Published in Animal biotelemetry (04-05-2017)“…Background Biotelemetry offers an increasing set of tools to monitor animals. Acceleration sensors in particular can provide remote observations of animal…”
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Investigation of the inner structures around HD169142 with VLT/SPHERE
Published in Monthly notices of the Royal Astronomical Society (2018)“…We present observations of the Herbig Ae star HD169142 with VLT/SPHERE instruments InfraRed Dual-band Imager and Spectrograph (IRDIS) (K1K2 and H2H3 bands) and…”
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11
Few-mode fibers and AO-assisted high resolution spectroscopy: coupling efficiency and modal noise mitigation
Published 02-11-2017“…NIRPS (Near Infra-Red Planet Searcher) is an AO-assisted and fiber-fed spectrograph for high precision radial velocity measurements that will operate in the…”
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12
Mid-Infrared Imaging of the Post-Asymptotic Giant Branch Star AC Herculis with the Multiple Mirror Telescope Adaptive Optics System
Published in The Astrophysical journal (20-11-2003)Get full text
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13
Stellar signal components seen in HARPS and HARPS-N solar radial velocities
Published 08-11-2022“…A&A 669, A39 (2023) Context. Radial velocity (RV) measurements induced by the presence of planets around late-type stars are contaminated by stellar signals…”
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Adaptive Optics Nulling Interferometric Constraints on the Mid-Infrared Exozodiacal Dust Emission around Vega
Published in The Astrophysical journal (01-08-2004)Get full text
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NIRPS Front-End: Design, performance, and lessons learned
Published 28-07-2022“…NIRPS (Near Infra-Red Planet Searcher) is an AO-assisted and fiber-fed spectrograph for high precision radial velocity measurements in the YJH-bands. NIRPS…”
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Constraining masses and separations of unseen companions to five accelerating nearby stars
Published 24-06-2022“…Aims. This work aims at constraining the masses and separations of potential substellar companions to five accelerating stars (HIP 1481, HIP 88399, HIP 96334,…”
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Performance of the VLT Planet Finder SPHERE I. Photometry and astrometry precision with IRDIS and IFS in laboratory
Published 07-10-2014“…A&A 572, A85 (2014) The new planet finder for the Very Large Telescope (VLT), the Spectro-Polarimetric High-contrast Exoplanet REsearch (SPHERE), just had its…”
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Characterizing the morphology of the debris disk around the low-mass star GSC~07396-00759
Published 13-07-2021“…A&A 653, A88 (2021) Context. Debris disks have commonly been studied around intermediate-mass stars. Their intense radiation fields are believed to efficiently…”
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The Geneva Reduction and Analysis Pipeline for High-contrast Imaging of planetary Companions
Published 05-11-2015“…Monthly Notices of the Royal Astronomical Society 2015 455 (2): 2178-2186 We present GRAPHIC, a new angular differential imaging (ADI) reduction pipeline where…”
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