相关论文: Performance of the VLT Planet Finder SPHERE II. Da…

The Herschel-SPIRE instrument and its in-flight performance

The Spectral and Photometric Imaging Receiver (SPIRE), is the Herschel Space Observatory`s submillimetre camera and spectrometer. It contains a three-band imaging photometer operating at 250, 350 and 500 microns, and an imaging Fourier…

天体物理仪器与方法 · 物理学 2015-05-19 M. J. Griffin , A. Abergel , A. Abreu , P. A. R. Ade , P. André , J. -L. Augueres , T. Babbedge , Y. Bae , T. Baillie , J. -P. Baluteau , M. J. Barlow , G. Bendo , D. Benielli , J. J. Bock , P. Bonhomme , D. Brisbin , C. Brockley-Blatt , M. Caldwell , C. Cara , N. Castro-Rodriguez , R. Cerulli , P. Chanial , S. Chen , E. Clark , D. L. Clements , L. Clerc , J. Coker , D. Communal , L. Conversi , P. Cox , D. Crumb , C. Cunningham , F. Daly , G. R. Davis , P. De Antoni , J. Delderfield , N. Devin , A. Di Giorgio , I. Didschuns , K. Dohlen , M. Donati , A. Dowell , C. D. Dowell , L. Duband , L. Dumaye , R. J. Emery , M. Ferlet , D. Ferrand , J. Fontignie , M. Fox , A. Franceschini , M. Frerking , T. Fulton , J. Garcia , R. Gastaud , W. K. Gear , J. Glenn , A. Goizel , D. K. Griffin , T. Grundy , S. Guest , L. Guillemet , P. C. Hargrave , M. Harwit , P. Hastings , E. Hatziminaoglou , M. Herman , B. Hinde , V. Hristov , M. Huang , P. Imhof , K. J. Isaak , U. Israelsson , R. J. Ivison , D. Jennings , B. Kiernan , K. J. King , A. E. Lange , W. Latter , G. Laurent , P. Laurent , S. J. Leeks , E. Lellouch , L. Levenson , B. Li , J. Li , J. Lilienthal , T. Lim , J. Liu , N. Lu , S. Madden , G. Mainetti , P. Marliani , D. McKay , K. Mercier , S. Molinari , H. Morris , H. Moseley , J. Mulder , M. Mur , D. A. Naylor , H. Nguyen , B. O'Halloran , S. Oliver , G. Olofsson , H. -G. Olofsson , R. Orfei , M. J. Page , I. Pain , P. Panuzzo , A. Papageorgiou , G. Parks , P. Parr-Burman , A. Pearce , C. Pearson , I. Pérez-Fournon , F. Pinsard , G. Pisano , J. Podosek , M. Pohlen , E. T. Polehampton , D. Pouliquen , D. Rigopoulou , D. Rizzo , I. G. Roseboom , H. Roussel , M. Rowan-Robinson , B. Rownd , P. Saraceno , M. Sauvage , R. Savage , G. Savini , E. Sawyer , C. Scharmberg , D. Schmitt , N. Schneider , B. Schulz , A. Schwartz , R. Shafer , D. L. Shupe , B. Sibthorpe , S. Sidher , A. Smith , A. J. Smith , D. Smith , L. Spencer , B. Stobie , R. Sudiwala , K. Sukhatme , C. Surace , J. A. Stevens , B. M. Swinyard , M. Trichas , T. Tourette , H. Triou , S. Tseng , C. Tucker , A. Turner , M. Vaccari , I. Valtchanov , L. Vigroux , E. Virique , G. Voellmer , H. Walker , R. Ward , T. Waskett , M. Weilert , R. Wesson , G. J. White , N. Whitehouse , C. D. Wilson , B. Winter , A. L. Woodcraft , G. S. Wright , C. K. Xu , A. Zavagno , M. Zemcov , L. Zhang , E. Zonca

Combining high-dispersion spectroscopy (HDS) with high contrast imaging (HCI): Probing rocky planets around our nearest neighbors

Aims: In this work, we discuss a way to combine High Dispersion Spectroscopy and High Contrast Imaging (HDS+HCI). For a planet located at a resolvable angular distance from its host star, the starlight can be reduced up to several orders of…

地球与行星天体物理 · 物理学 2015-03-05 Ignas Snellen , Remco de Kok , Jayne Birkby , Bernhard Brandl , Matteo Brogi , Christoph Keller , Matthew Kenworthy , Henriette Schwarz , Remko Stuik

Integral field spectroscopy supports atmospheric optics to reveal the finite outer scale of the turbulence

The spatial coherence wavefront outer scale (L_0) characterizes the size of the largest turbulence eddies in Earth's atmosphere, determining low spatial frequency perturbations in the wavefront of the light captured by ground-based…

天体物理仪器与方法 · 物理学 2024-07-03 Begoña García-Lorenzo , Donaji Esparza-Arredondo , Jose A. Acosta-Pulido , Julio A. Castro-Almazán

MEMS-based Speckle Spectrometer

We describe a new concept for a MEMS-based active spatial filter for astronomical spectroscopy. The goal of this device is to allow the use of a diffraction-limited spectrometer on a seeing limited observation at improved throughput over a…

天体物理学 · 物理学 2009-11-11 A. I. Sheinis , L. Nigra , M. Q. Kuhlen

SPICE PSF Correction: General Framework and Capability Demonstration

We present a new method of removing PSF artifacts and improving the resolution of multidimensional data sources including imagers and spectrographs. Rather than deconvolution, which is translationally invariant, this method is based on…

太阳与恒星天体物理 · 物理学 2022-12-06 Joseph E. Plowman , Frédéric Auchère , Regina Aznar Cuadrado , Andrzej Fludra , Terje Fredvik , Donald M. Hassler , Sudip Mandal , Hardi Peter

The Infrared Imaging Spectrograph (IRIS) for TMT: Data Reduction System

IRIS (InfraRed Imaging Spectrograph) is the diffraction-limited first light instrument for the Thirty Meter Telescope (TMT) that consists of a near-infrared (0.84 to 2.4 $\mu$m) imager and integral field spectrograph (IFS). The IFS makes…

天体物理仪器与方法 · 物理学 2016-08-16 Gregory Walth , Shelley A. Wright , Jason Weiss , James E. Larkin , Anna M. Moore , Edward L. Chapin , Tuan Do , Jennifer Dunn , Brent Ellerbroek , Kim Gillies , Yutaka Hayano , Chris Johnson , Daniel Marshall , Reed L. Riddle , Luc Simard , Ji Man Sohn , Ryuji Suzuki , James Wincensten

Detection of Fe I in the atmosphere of the ultra-hot Jupiter WASP-121b, and a new likelihood-based approach for Doppler-resolved spectroscopy

High-resolution Doppler-resolved spectroscopy has opened up a new window into the atmospheres of both transiting and non-transiting exoplanets. Here, we present VLT/UVES observations of a transit of WASP-121b, an 'ultra-hot' Jupiter…

地球与行星天体物理 · 物理学 2020-02-05 Neale P. Gibson , Stephanie Merritt , Stevanus K. Nugroho , Patricio E. Cubillos , Ernst J. W. de Mooij , Thomas Mikal-Evans , Luca Fossati , Joshua Lothringer , Nikolay Nikolov , David K. Sing , Jessica J. Spake , Chris A. Watson , Jamie Wilson

K-Stacker, an algorithm to hack the orbital parameters of planets hidden in high-contrast imaging. First applications to VLT SPHERE multi-epoch observations

Recent high-contrast imaging surveys, looking for planets in young, nearby systems showed evidence of a small number of giant planets at relatively large separation beyond typically 20 au where those surveys are the most sensitive. Access…

地球与行星天体物理 · 物理学 2020-07-22 H. Le Coroller , M. Nowak , P. Delorme , G. Chauvin , R. Gratton , M. Devinat , J. Bec-Canet , A. Schneeberger , D. Estevez , L. Arnold , H. Beust , M. Bonnefoy , A. Boccaletti , C. Desgrange , S. Desidera , R. Galicher , A. M. Lagrange , M. Langlois , A. L. Maire , F. Menard , P. Vernazza , A. Vigan , A. Zurlo , T. Fenouillet , J. C. Lambert , M. Bonavita , A. Cheetham , V. Dorazi , M. Feldt , M. Janson , R. Ligi , D. Mesa , M. Meyer , M. Samland , E. Sissa , J. L. Beuzit , K. Dohlen , T. Fusco , D. Le Mignant , D. Mouillet , J. Ramos , S. Rochat , J. F. Sauvage

A Pilot Study of Interplanetary Scintillation with FAST

Observations of Interplanetary Scintillation (IPS) are an efficient remote-sensing method to study the solar wind and inner heliosphere. From 2016 to 2018, some distinctive observations of IPS sources like 3C 286 and 3C 279 were…

空间物理 · 物理学 2021-05-26 Li-Jia Liu , Bo Peng , Lei Yu , Ye-Zhao Yu , Ji-Guang Lu , Bin Liu , O. Chang , M. M. Bisi , FAST Collaboration

VLT/SPHERE robust astrometry of the HR8799 planets at milliarcsecond-level accuracy Orbital architecture analysis with PyAstrOFit

HR8799 is orbited by at least four giant planets, making it a prime target for the recently commissioned Spectro-Polarimetric High-contrast Exoplanet REsearch (VLT/SPHERE). As such, it was observed on five consecutive nights during the…

地球与行星天体物理 · 物理学 2017-02-08 Olivier Wertz , Olivier Absil , Carlos. A. Gómez González , Julien Milli , Julen. H. Girard , Dimitri Mawet , Laurent Pueyo

Toward a numerical deshaker for PFS

The Planetary Fourier Spectrometer (PFS) onboard Mars Express (MEx) is the instrument with the highest spectral resolution observing Mars from orbit since January 2004. It permits studying the atmospheric structure, major and minor…

天体物理仪器与方法 · 物理学 2014-02-19 F. Schmidt , I. Shatalina , M. Kowalski , N. Gac , B. Saggin , M. Giuranna

Discovery of a warm, dusty giant planet around HIP65426

The SHINE program is a large high-contrast near-infrared survey of 600 young, nearby stars. It is aimed at searching for and characterizing new planetary systems using VLT/SPHERE's unprecedented high-contrast and high-angular resolution…

地球与行星天体物理 · 物理学 2017-12-13 G. Chauvin , S. Desidera , A. -M. Lagrange , A. Vigan , R. Gratton , M. Langlois , M. Bonnefoy , J. -L. Beuzit , M. Feldt , D. Mouillet , M. Meyer , A. Cheetham , B. Biller , A. Boccaletti , V. D'Orazi , R. Galicher , J. Hagelberg , A. -L. Maire , D. Mesa , J. Olofsson , M. Samland , T. O. B. Schmidt , E. Sissa , M. Bonavita , B. Charnay , M. Cudel , S. Daemgen , P. Delorme , P. Janin-Potiron , M. Janson , M. Keppler , H. Le Coroller , R. Ligi , G. D. Marleau , S. Messina , P. Molliere , C. Mordasini , A. Muller , S. Peretti , C. Perrot , L. Rodet , D. Rouan , A. Zurlo , C. Dominik , T. Henning , F. Menard , H. -M. Schmid , M. Turatto , S. Udry , F. Vakili , L. Abe , J. Antichi , A. Baruffolo , P. Baudoz , J. Baudrand , P. Blanchard , A. Bazzon , T. Buey , M. Carbillet , M. Carle , J. Charton , E. Cascone , R. Claudi , A. Costille , A. Deboulbe , V. De Caprio , K. Dohlen , D. Fantinel , P. Feautrier , T. Fusco , P. Gigan , E. Giro , D. Gisler , L. Gluck , N. Hubin , E. Hugot , M. Jaquet , M. Kasper , F. Madec , Y. Magnard , P. Martinez , D. Maurel , D. Le Mignant , O. Moller-Nilsson , M. Llored , T. Moulin , A. Origné , A. Pavlov , D. Perret , C. Petit , J. Pragt , P. Puget , P. Rabou , J. Ramos , R. Rigal , S. Rochat , R. Roelfsema , G. Rousset , A. Roux , B. Salasnich , J. -F. Sauvage , A. Sevin , C. Soenke , E. Stadler , M. Suarez , L. Weber , F. Wildi , S. Antoniucci , J. -C. Augereau , J. -L. Baudino , W. Brandner , N. Engler , J. Girard , C. Gry , Q. Kral , T. Kopytova , E. Lagadec , J. Milli , C. Moutou , J. Schlieder , J. Szulágyi , C. Thalmann , Z. Wahhaj

ESPRESSO on VLT: An Instrument for Exoplanet Research

ESPRESSO (Echelle SPectrograph for Rocky Exoplanets and Stable Spectroscopic Observations) is a VLT ultra-stable high resolution spectrograph installed at ESO's Paranal Observatory in Chile at the end of 2017 and that started regular…

天体物理仪器与方法 · 物理学 2024-02-01 Jonay I. González Hernández , Francesco Pepe , Paolo Molaro , Nuno Santos

Connecting the formation of stars and planets. I -- Spectroscopic characterization of host stars with TIGRE

In search for a connection between the formation of stars and the formation of planets, a new semi-automatic spectral analysis method using \textsf{iSpec} was developed for the TIGRE telescope installed in Guanajuato, Mexico. TIGRE is a…

太阳与恒星天体物理 · 物理学 2021-03-31 L. M. Flor-Torres , R. Coziol , K. -P. Schröder , D. Jack , J. H. M. M. Schmitt , S. Blanco-Cuaresma

Astronomical imaging Fourier spectroscopy at far-infrared wavelengths

The principles and practice of astronomical imaging Fourier transform spectroscopy (FTS) at far-infrared wavelengths are described. The Mach-Zehnder interferometer design has been widely adopted for current and future imaging FTS…

天体物理仪器与方法 · 物理学 2013-10-10 David A. Naylor , Brad G. Gom , Matthijs H. D. van der Wiel , Gibion Makiwa

High-contrast integral field spectropolarimetry of planet-forming disks with SCExAO/CHARIS

We describe a new high-contrast imaging capability well suited for studying planet-forming disks: near-infrared (NIR) high-contrast spectropolarimetric imaging with the Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) system coupled…

地球与行星天体物理 · 物理学 2021-08-20 Kellen Lawson , Thayne Currie , John P. Wisniewski , Jun Hashimoto , Olivier Guyon , N. Jeremy Kasdin , Tyler D. Groff , Julien Lozi , Timothy D. Brandt , Jeffrey Chilcote , Vincent Deo , Taichi Uyama , Sebastien Vievard

Inversions of synthetic umbral flashes: selection of wavelength sampling

Imaging spectrographs are popular instruments used to obtain solar data. They record quasi-monochromatic images at selected wavelength positions. By scanning the spectral range of the line, it is possible to obtain bidimensional maps of the…

太阳与恒星天体物理 · 物理学 2019-12-04 T. Felipe , S. Esteban Pozuelo

Improved SOT (Hinode mission) high resolution solar imaging observations

We consider the best today available observations of the Sun free of turbulent Earth atmospheric effects, taken with the Solar Optical Telescope (SOT) onboard the Hinode spacecraft. Both the instrumental smearing and the observed stray…

太阳与恒星天体物理 · 物理学 2015-06-30 Hadis Goodarzi , Serge Koutchmy , Ali Adjabshirizadeh

A Slit Mask Integral Field Unit for the Robert Stobie Spectrograph on the Southern African Large Telescope: I. Instrument Development

Integral field spectroscopy (IFS) has been added as a new observation mode to the Robert Stobie Spectrograph (RSS), the workhorse multi-mode instrument on the Southern African Large Telescope. RSS operates as an imaging spectrograph…

天体物理仪器与方法 · 物理学 2026-03-25 Sabyasachi Chattopadhyay , Matthew A. Bershady , Michael P. Smith , Antoine Mahoro , Marsha J. Wolf

SAXO+ upgrade : second stage AO system end-to-end numerical simulations

SAXO+ is a proposed upgrade to SAXO, the AO system of the SPHERE instrument on the ESO Very Large Telescope. It will improve the capabilities of the instrument for the detection and characterization of young giant planets. It includes a…

天体物理仪器与方法 · 物理学 2023-10-25 Charles Goulas , Fabrice Vidal , Raphaël Galicher , Johan Mazoyer , Florian Ferreira , Arnaud Sevin , Anthony Boccaletti , Éric Gendron , Clémentine Béchet , Michel Tallon , Maud Langlois , Caroline Kulcsár , Henri-François Raynaud , Nicolas Galland , Laura Schreiber , Gaël Chauvin , Julien Milli