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Related papers: CPI-C: Cool Planet Imaging Coronagraph on Chinese …

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We introduce CPISM, a simulation program developed for the Cool Planet Imaging Coronagraph (CPI-C) on the China Space Station Telescope (CSST). CPISM supports high-contrast exoplanet imaging by simulating observational conditions and…

Instrumentation and Methods for Astrophysics · Physics 2026-03-17 Yi-Ming Zhu , Gang Zhao , Jiang-Pei Dou , Zhong-Hua Lv , Yi-Li Chen , Bo Ma , Zhao-Jun Yan , Jing Tang , Ran Li

To support the development of the data processing pipeline and the scientific performance assessment for the Cool Planet Imaging Coronagraph (CPI-C) on the Chinese Space Station Survey Telescope (CSST), we have developed the end-to-end…

Instrumentation and Methods for Astrophysics · Physics 2025-11-14 Gang Zhao , Yiming Zhu , Jiangpei Dou , Yili Chen , Zhonghua Lv , Bingli Niu , Zhaojun Yan , Bo Ma , Ran Li

Context. High-contrast imaging is currently the only available technique for the study of the thermodynamical and compositional properties of exoplanets in long-period orbits. The SPICES project is a coronagraphic space telescope dedicated…

Instrumentation and Methods for Astrophysics · Physics 2015-06-04 A. -L. Maire , R. Galicher , A. Boccaletti , P. Baudoz , J. Schneider , K. L. Cahoy , D. M. Stam , W. A. Traub

The SPICA coronagraph instrument (SCI) provides high-contrast imaging and moderate resolution (R < 200) spectroscopy at the wavelength range from 3.5 to 27 \mu m. Based on the planet evolutional model calculated by Burrows et al. (2003),…

Earth and Planetary Astrophysics · Physics 2015-05-27 Taro Matsuo , Misato Fukagawa , Takayuki Kotani , Yoichi Itoh , Motohide Tamura , Takao Nakagawa , Keigo Enya , the SCI team

The Wide Field Infrared Survey Telescope (WFIRST) Coronagraph Instrument (CGI) is a high-contrast imager and integral field spectrograph that will enable the study of exoplanets and circumstellar disks at visible wavelengths. Ground-based…

Instrumentation and Methods for Astrophysics · Physics 2019-01-15 Vanessa P. Bailey , Lee Armus , Bala Balasubramanian , Pierre Baudoz , Andrea Bellini , Dominic Benford , Bruce Berriman , Aparna Bhattacharya , Anthony Boccaletti , Eric Cady , Sebastiano Calchi Novati , Kenneth Carpenter , David Ciardi , Brendan Crill , William Danchi , John Debes , Richard Demers , Kjetil Dohlen , Robert Effinger , Marc Ferrari , Margaret Frerking , Dawn Gelino , Julien Girard , Kevin Grady , Tyler Groff , Leon Harding , George Helou , Avenhaus Henning , Markus Janson , Jason Kalirai , Stephen Kane , N. Jeremy Kasdin , Matthew Kenworthy , Brian Kern , John Krist , Jeffrey Kruk , Anne Marie Lagrange , Seppo Laine , Maud Langlois , Herve Le Coroller , Chris Lindensmith , Patrick Lowrance , Anne-Lise Maire , Sangeeta Malhotra , Avi Mandell , Michael McElwain , Camilo Mejia Prada , Bertrand Mennesson , Tiffany Meshkat , Dwight Moody , Patrick Morrissey , Leonidas Moustakas , Mamadou N'Diaye , Bijan Nemati , Charley Noecker , Roberta Paladini , Marshall Perrin , Ilya Poberezhskiy , Marc Postman , Laurent Pueyo , Solange Ramirez , Clement Ranc , Jason Rhodes , A. J. E. Riggs , Maxime Rizzo , Aki Roberge , Daniel Rouan , Joshua Schlieder , Byoung-Joon Seo , Stuart Shaklan , Fang Shi , Remi Soummer , David Spergel , Karl Stapelfeldt , Christopher Stark , Motohide Tamura , Hong Tang , John Trauger , Margaret Turnbull , Roeland van der Marel , Arthur Vigan , Benjamin Williams , Edward J. Wollack , Marie Ygouf , Feng Zhao , Hanying Zhoud , Neil Zimmerman

We analyze the inner debris disk around $\epsilon$ Eridani using simulated observations with the Cool-Planet Imaging Coronagraph (CPI-C). Using the radiative transfer code MCFOST, we generate synthetic scattered-light images and spectral…

Earth and Planetary Astrophysics · Physics 2026-03-31 Chunhui Bao , Jianghui Ji , Gang Zhao , Yiming Zhu , Jiangpei Dou , Su Wang , Yao Dong

We present the SPICA Coronagraphic Instrument (SCI), which has been designed for a concentrated study of extra-solar planets (exoplanets). SPICA mission provides us with a unique opportunity to make high contrast observations because of its…

We propose the application of coronagraphic techniques to the spectroscopic direct detection of exoplanets via the Doppler shift of planetary molecular lines. Even for an unresolved close-in planetary system, we show that the combination of…

Earth and Planetary Astrophysics · Physics 2014-06-05 Hajime Kawahara , Naoshi Murakami , Taro Matsuo , Takayuki Kotani

The high-contrast coronagraph for direct imaging earth-like exoplanet at the visible needs a contrast of 10^(-10) at a small angular separation of 4 lambda/D or less. Here we report our recent laboratory experiment that is close to the…

Instrumentation and Methods for Astrophysics · Physics 2014-06-12 C. C. Liu , D. Q. Ren , J. P. Dou , Y. T. Zhu , X. Zhang , G. Zhao , Zh. Wu , R. Chen

In February 2011 we proposed a NASA Explorer Mission of Opportunity program to develop and operate a large-aperture ultraviolet coronagraph spectrometer called the Coronal Physics Investigator (CPI) as an attached International Space…

So far, most of the about 5700 exoplanets have been discovered mainly with radial velocity and transit methods. These techniques are sensitive to planets in close orbits, not being able to probe large star--planet separations. $\mu$-lensing…

Instrumentation and Methods for Astrophysics · Physics 2025-01-15 Riccardo Claudi , Dino Mesa

The Coronagraph Instrument (CGI) on the Nancy Grace Roman Space Telescope will demonstrate the high-contrast technology necessary for visible-light exoplanet imaging and spectroscopy from space via direct imaging of Jupiter-size planets and…

Imaging terrestrial exoplanets around nearby stars is a formidable technical challenge, requiring the development of coronagraphs to suppress the stellar halo of diffracted light at the location of the planet. In this review, we derive the…

Instrumentation and Methods for Astrophysics · Physics 2025-06-04 Matthew A. Kenworthy , Sebastiaan Y. Haffert

This paper, first, presents introductory reviews of the Space Infrared Telescope for Cosmology and Astrophysics (SPICA) mission and the SPICA Coronagraph Instrument (SCI). SPICA will realize a 3m class telescope cooled to 6K in orbit. The…

Instrumentation and Methods for Astrophysics · Physics 2015-05-30 K. Enya , L. Abe , S. Takeuchi , T. Kotani , T. Yamamuro

Several concepts now exist for small, space-based missions to directly characterize exoplanets in reflected light. Here, we develop an instrument noise model suitable for studying the spectral characterization potential of a…

Earth and Planetary Astrophysics · Physics 2016-01-21 Tyler D. Robinson , Karl R. Stapelfeldt , Mark S. Marley

The capabilities of a high (~ 10^-9 resel^-1) contrast, narrow-field, coronagraphic instrument (CGI) on a space-based AFTA-C or probe-class EXO-C/S mission, conceived to study the diversity of exoplanets now known to exist into stellar…

Instrumentation and Methods for Astrophysics · Physics 2014-12-30 Glenn Schneider

We present a MIR coronagraph to target the direct observation of extrasolar planets for SPICA, in which a coronagraph is currently regarded as an option of the focal plane instruments. The primary target of the SPICA coronagraph is the…

Earth and Planetary Astrophysics · Physics 2019-08-14 Keigo Enya

The wavefront sensor (WFS), equipped with an electron-multiplying charge-coupled device (EMCCD) detector, is a critical component of the Cool Planets Imaging Coronagraph (CPI-C) on the Chinese Space Station Telescope (CSST). Precise…

Instrumentation and Methods for Astrophysics · Physics 2025-11-26 Jiangpei Dou , Bingli Niu , Gang Zhao , Xi Zhang , Gang Wang , Baoning Yuan , Di Wang , Xingguang Qian

The Gemini Planet Imager (GPI) is a near-infrared instrument that uses Adaptive Optics (AO), a coronagraph, and advanced data processing techniques to achieve very high contrast images of exoplanets. The GPI Exoplanet Survey (GPIES) is a…

Instrumentation and Methods for Astrophysics · Physics 2018-07-20 Melisa Tallis , Vanessa P. Bailey , Bruce Macintosh , Jeffrey K. Chilcote , Lisa A. Poyneer , Jean-Baptiste Ruffio , Thomas L. Hayward , Dmitry Savransky

The Coronagraph Instrument (CGI) for NASA's Wide Field Infrared Survey Telescope (WFIRST) will constitute a dramatic step forward for high-contrast imaging, integral field spectroscopy, and polarimetry of exoplanets and circumstellar disks,…

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