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Related papers: Clio: a 3-5 micron AO planet-finding camera

200 papers

We research the requirements of High Contrast Imaging when combined with the cross correlation (CC) of high resolution spectra with known spectroscopic templates for detecting and characterising exoplanets in reflected light. We simulate…

Earth and Planetary Astrophysics · Physics 2019-02-13 George A. Hawker , Ian R. Parry

Giant exoplanets on 10-100 au orbits have been directly imaged around young stars. The peak of the thermal emission from these warm young planets is in the near-infrared (~1-5 microns), whereas mature, temperate exoplanets (i.e., those…

Instrumentation and Methods for Astrophysics · Physics 2021-08-02 Kevin Wagner , Steve Ertel , Jordan Stone , Jarron Leisenring , Dániel Apai , Markus Kasper , Olivier Absil , Laird Close , Denis Defrère , Olivier Guyon , Jared Males

We have developed a wide-field mosaic CCD camera, MOA-cam3, mounted at the prime focus of the Microlensing Observations in Astrophysics (MOA) 1.8-m telescope. The camera consists of ten E2V CCD4482 chips, each having 2kx4k pixels, and…

MICADO is a near-IR camera for the Europea ELT, featuring an extended field (75" diameter) for imaging, and also spectrographic and high contrast imaging capabilities. It has been chosen by ESO as one of the two first-light instruments.…

Instrumentation and Methods for Astrophysics · Physics 2015-06-22 S. Lacour , P. Baudoz , E. Gendron , A. Boccaletti , R. Galicher , Y. Clénet , D. Gratadour , T. Buey , G. Rousset , M. Hartl , R. Davies

We present near-IR images of five luminous quasars at z~2 and one at z~4 obtained with an experimental adaptive optics instrument at the ESO Very Large Telescope. The observations are part of a program aimed at demonstrating the…

The combination of Lucky Imaging with a low order adaptive optics system was demonstrated very successfully on the Palomar 5m telescope nearly 10 years ago. It is still the only system to give such high-resolution images in the visible or…

The Mini-EUSO instrument is a UV telescope to be placed inside the International Space Station (ISS), looking down on the Earth from a nadir-facing window in the Russian Zvezda module. Mini-EUSO will map the earth in the UV range (300 - 400…

Instrumentation and Methods for Astrophysics · Physics 2018-09-18 Francesca Capel , Alexander Belov , Marco Casolino , Pavel Klimov

MAIA, a three-channel imager targeting fast cadence photometry, was recently installed on the Mercator telescope (La Palma, Spain). This instrument observes a 9.4 x 14.1 arcmin field of view simultaneously in three color bands ($u$, $g$ and…

Instrumentation and Methods for Astrophysics · Physics 2013-11-05 Gert Raskin , Johan Morren , Wim Pessemier , Jesus Perez Padilla , Jeroen Vandersteen

The recent discovery of an earth-like planet around Proxima Centauri has drawn much attention to this star and its environment. We performed a series of observations of Proxima Centauri using SPHERE, the planet finder instrument installed…

Extrasolar planet searches targeting very low-mass stars and brown dwarfs are hampered by intrinsic or instrumental limitations. Time series of astrometric measurements with precisions better than one milli-arcsecond can yield new evidence…

Solar and Stellar Astrophysics · Physics 2014-05-08 J. Sahlmann , P. F. Lazorenko , D. Segransan , E. L. Martin , M. Mayor , D. Queloz , S. Udry

With a temperature akin to an M-dwarf, WASP-33b is among the hottest Jupiters known, making it an ideal target for high-resolution optical spectroscopy. By analyzing both transmission and emission spectra, we aim to substantiate previous…

Earth and Planetary Astrophysics · Physics 2020-08-12 Miranda K. Herman , Ernst J. W. de Mooij , Ray Jayawardhana , Matteo Brogi

The CERN Axion Solar Telescope (CAST) searches for solar axions employing a 9 Tesla superconducting dipole magnet equipped with 3 independent detection systems for X-rays from axion-photon conversions inside the 10 m long magnetic field.…

Astrophysics · Physics 2007-05-23 R. Kotthaus , H. Braeuninger , P. Friedrich , R. Hartmann , D. Kang , M. Kuster , G. Lutz , L. Strueder

The Southern Robotic Adaptive Optics (SRAO) instrument will bring the proven high-efficiency capabilities of Robo-AO to the Southern-Hemisphere, providing the unique capability to image with high-angular-resolution thousands of targets per…

Instrumentation and Methods for Astrophysics · Physics 2016-11-23 Carl Ziegler , Nicholas M. Law , Andrei Tokovinin

We describe a new concept to correct for scintillation noise on high-precision photometry in large and extremely large telescopes using telemetry data from adaptive optics (AO) systems. Most wide-field AO systems designed for the current…

Instrumentation and Methods for Astrophysics · Physics 2014-11-25 James Osborn

We have done theoretical calculations and simulations for infrared spectroscopy at the MMT 6.5 m with laser guide star AO, which provides almost full sky coverage. The results show we can expect 40-60% of the photons from a unresolved…

Astrophysics · Physics 2015-06-24 Jian Ge , Roger Angel , David Sandler , Chris Shelton , Don McCarthy , Jim Burge

This paper describes the design, operations, and performance of the Multi-site All-Sky CAmeRA (MASCARA). Its primary goal is to find new exoplanets transiting bright stars, $4 < m_V < 8$, by monitoring the full sky. MASCARA consists of one…

Instrumentation and Methods for Astrophysics · Physics 2017-04-19 G. J. J. Talens , J. F. P. Spronck , A. -L. Lesage , G. P. P. L. Otten , R. Stuik , D. Pollacco , I. A. G Snellen

The European Southern Observatory's (ESO) Visible and Infrared Survey Telescope for Astronomy (VISTA) is a 4-m class survey telescope for wide-field near-infrared imaging. VISTA is currently running a suite of six public surveys, which will…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 J. R. Findlay , W. J. Sutherland , B. P. Venemans , C. Reyle , A. C. Robin , D. G. Bonfield , V. A. Bruce , M. J. Jarvis

MagAO-X system is a new adaptive optics for the Magellan Clay 6.5m telescope. MagAO-X has been designed to provide extreme adaptive optics (ExAO) performance in the visible. VIS-X is an integral-field spectrograph specifically designed for…

CONTEXT. Little is known about the planetary systems around single white dwarfs although there is strong evidence that they do exist. AIMS. We performed a pilot study with the extreme-AO system on the Spectro-Polarimetric High-contrast…

Earth and Planetary Astrophysics · Physics 2015-07-08 S. Xu , S. Ertel , Z. Wahhaj , J. Milli , P. Scicluna , G. H. -M. Bertrang

Using five independent analytic and Monte Carlo simulation codes, we have studied the performance of wide field ground layer adaptive optics (GLAO), which can use a single, relatively low order deformable mirror to correct the wavefront…