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The Colorado Ultraviolet Transit Experiment (CUTE) is a 6U NASA CubeSat carrying on-board a low-resolution (R~2000--3000), near-ultraviolet (2500--3300 {\AA}) spectrograph. It has a rectangular primary Cassegrain telescope to maximize the…

Instrumentation and Methods for Astrophysics · Physics 2020-11-02 Aickara Gopinathan Sreejith , Luca Fossati , Brian T. Fleming , Kevin France , Tommi Koskinen , Arika Egan , Hannah T. Rüdisser , Manfred Steller

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

In computational imaging, hardware for signal sampling and software for object reconstruction are designed in tandem for improved capability. Examples of such systems include computed tomography (CT), magnetic resonance imaging (MRI), and…

Image and Video Processing · Electrical Eng. & Systems 2022-11-01 Andrew Olsen , Yolanda Hu , Vidya Ganapati

We present the result from a comprehensive laboratory and on-sky characterization of the commercial spectrograph system consisting of a PIXIS 1300BX charge-coupled device (CCD) camera and an IsoPlane 320A spectrograph as part of the…

Instrumentation and Methods for Astrophysics · Physics 2026-03-10 Jiwon Jang , Changsu Choi , Ho Seong Hwang , Haeun Chung , Hyeonguk Bahk , Dongkok Kim , Jae-Woo Kim

Learning depth from spherical panoramas is becoming a popular research topic because a panorama has a full field-of-view of the environment and provides a relatively complete description of a scene. However, applying well-studied CNNs for…

Computer Vision and Pattern Recognition · Computer Science 2021-05-28 Hualie Jiang , Zhe Sheng , Siyu Zhu , Zilong Dong , Rui Huang

We describe principal components of the new spectroscopic data pipeline for the multi-object MMT/Magellan Infrared Spectrograph (MMIRS). The pipeline is implemented in IDL and C++. The performance of the data processing algorithms is…

Instrumentation and Methods for Astrophysics · Physics 2012-12-18 Igor Chilingarian , Warren Brown , Daniel Fabricant , Brian McLeod , John Roll , Andrew Szentgyorgyi

We present new on-sky results for the Subaru Coronagraphic Extreme Adaptive Optics imager (SCExAO) verifying and quantifying the contrast gain enabled by key components: the closed-loop coronagraphic low-order wavefront sensor (CLOWFS) and…

Instrumentation and Methods for Astrophysics · Physics 2013-07-17 Thayne Currie , Olivier Guyon , Frantz Martinache , Christophe Clergeon , Michael McElwain , Christian Thalmann , Nemanja Jovanovic , Garima Singh , Tomoyuki Kudo

The primary task of the 1.26-m telescope jointly operated by the National Astronomical Observatory and Guangzhou University is photometric observations of the g, r, and i bands. A data processing pipeline system was set up with mature…

Instrumentation and Methods for Astrophysics · Physics 2020-05-27 Weirong Huang , Zhou Xie , Wenjie Zhong , Ying Mei , Hui Deng , Yingbo Liu , Feng Wang

SIPGI is a spectroscopic pipeline for the data reduction of optical/near-infrared data acquired by slit-based spectrographs. SIPGI is a complete spectroscopic data reduction environment retaining the high level of flexibility and accuracy…

Instrumentation and Methods for Astrophysics · Physics 2022-12-13 Susanna Bisogni , Adriana Gargiulo , Marco Fumana , Paolo Franzetti , Letizia Pasqua Cassarà , Marco Scodeggio , Bianca Garilli , Giustina Vietri

We present the survey design, data reduction, and spectral fitting pipeline for the VIRUS-P Exploration of Nearby Galaxies (VENGA). VENGA is an integral field spectroscopic survey, which maps the disks of 30 nearby spiral galaxies. Targets…

We demonstrate single-pixel imaging in the spectral domain by encoding Fourier probe patterns onto the spectrum of a superluminescent laser diode using a programmable optical filter. As a proof-of-concept, we measure the…

Optics · Physics 2020-02-26 Piotr Ryczkowski , Caroline Amiot , John M. Dudley , Goery Genty

We present the automation of a confocal photoluminescence (PL) scanning system for the identification and characterization of single-photon emitters (SPEs) in quantum materials. The setup excites the sample with a laser and acquires a…

Optics · Physics 2026-02-05 Srivatsa Murali , Anshuman Kumar

Directly imaging and characterizing Earth-like exoplanets is a tremendously difficult instrumental challenge. Present coronagraphic systems have yet to achieve the required $10^{-10}$ broadband contrast in a laboratory environment, but…

Instrumentation and Methods for Astrophysics · Physics 2019-07-10 Carl T. Coker , Stuart B. Shaklan , A J E. Riggs , Garreth Ruane

The accumulation of aberrations along the optical path in a telescope produces distortions and speckles in the resulting images, limiting the performance of cameras at high angular resolution. It is important to achieve the highest possible…

Instrumentation and Methods for Astrophysics · Physics 2021-03-17 Benjamin J. S. Pope , Laurent Pueyo , Yinzi Xin , Peter G. Tuthill

Context. Proxima Cen b is the prime target for the search of life around a nearby exoplanet by characterizing its atmosphere in reflected light. Due to the very high star/companion contrast (<1E-6), High Dispersion Coronagraphy is the most…

Instrumentation and Methods for Astrophysics · Physics 2026-01-14 N. Blind , N. Restori , B . Chazelas , C. Lovis , J. Kühn , C. Mordasini

Any high-contrast imaging instrument in a future large space-based telescope will include an integral field spectrograph (IFS) for measuring broadband starlight residuals and characterizing the exoplanet's atmospheric spectrum. In this…

Instrumentation and Methods for Astrophysics · Physics 2020-08-26 He Sun , Alexei Goun , Susan Redmond , Michael Galvin , Tyler Groff , Maxime Rizzo , N. Jeremy Kasdin

High-contrast imaging observations of large angular diameter stars enable complementary science questions to be addressed compared to the baseline goals of proposed missions like the Terrestrial Planet Finder-Coronagraph, New World's…

Earth and Planetary Astrophysics · Physics 2015-05-14 Justin R. Crepp , Suvrath Mahadevan , Jian Ge

The new wide-field radio telescopes, such as: ASKAP, MWA, and SKA; will produce spectral-imaging data-cubes (SIDC) of unprecedented volume. This requires new approaches to managing and servicing the data to the end-user. We present a new…

Instrumentation and Methods for Astrophysics · Physics 2012-09-11 Vyacheslav V. Kitaeff , Chen Wu , Andreas Wicenec , Andrew D. Cannon , Kevin Vinsen

Direct detection is a very promising field in exoplanet science. It allows the detection of companions with large separation and allows their spectral analysis. A few planets have already been detected and are under spectral analysis. But…

Instrumentation and Methods for Astrophysics · Physics 2017-10-11 Johan Mazoyer , Raphaël Galicher , Pierre Baudoz , Gérard Rousset