English
Related papers

Related papers: ARCHI: pipeline for light curve extraction of CHEO…

200 papers

The Quick-Look Pipeline (QLP; Huang et al. 2020, Kunimoto et al. 2021 and references therein) generates light curves for up to 2 million stars every 27.4 days observed by TESS as part of its planet search. As machine learning methods enable…

We present the TRansient Image Processing Pipeline (TRIPP), a transient and variable source detection pipeline that employs both difference imaging and light curve analysis techniques for astronomical data. Additionally, we demonstrate…

We present the first public version of SImMER, an open-source Python reduction pipeline for astronomical images of point sources. Current capabilities include dark-subtraction, flat-fielding, sky-subtraction, image registration, FWHM…

Instrumentation and Methods for Astrophysics · Physics 2022-12-28 Arjun B. Savel , Lea A. Hirsch , Holden Gill , Courtney D. Dressing , David R. Ciardi

Context: After the loss of a second reaction wheel the Kepler mission was redesigned as the K2 mission, pointing towards the ecliptic and delivering data for new fields approximately every 80 days. The steady flow of data obtained with a…

Solar and Stellar Astrophysics · Physics 2016-12-21 R. Handberg , M. N. Lund

A hierarchical ensemble pipeline is introduced to address anomaly detection in multivariate telemetry data provided by European Space Agency (ESA). The method integrates shapelet-based and statistical feature extraction, per-channel…

Machine Learning · Computer Science 2026-05-12 Lorenzo Riccardo Allegrini , Geremia Pompei

NASA's \textit{Kepler} primary mission observed about 116 $deg^2$ in the sky for 3.5 consecutive years to discover Earth-like exoplanets. This mission recorded pixel cutouts, known as Target Pixel Files (TPFs), of over $200,000$ targets…

Earth and Planetary Astrophysics · Physics 2023-10-30 Jorge Martinez-Palomera , Christina Hedges , Jessie Dotson

We present a magnitude-limited set of lightcurves for stars observed over the TESS Extended Mission, as extracted from full-frame images (FFIs) by MIT's Quick-Look Pipeline (QLP). QLP uses multi-aperture photometry to produce lightcurves…

The presence of minor bodies in exoplanetary systems is in most cases inferred through infra-red excesses, with the exception of exocomets. Even if over 35 years have passed since the first detection of exocomets around beta Pic, only ~ 25…

Earth and Planetary Astrophysics · Physics 2023-05-24 Isabel Rebollido , Sebastian Zieba , Daniela Iglesias , Vincent Bourrier , Flavien Kiefer , Alain Lecavelier Des Etangs

The accuracy of theoretical mass, radius and effective temperature values for M-dwarf stars is an active topic of debate. Differences between observed and theoretical values have raised the possibility that current theoretical stellar…

We present the results of our investigations into options for the computing platform for the imaging pipeline in the CHILES project, an ultra-deep HI pathfinder for the era of the Square Kilometre Array. CHILES pushes the current computing…

Instrumentation and Methods for Astrophysics · Physics 2015-11-03 Richard Dodson , Kevin Vinsen , Chen Wu , Attila Popping , Martin Meyer , Andreas Wicenec , Peter Quinn , Jacqueline van Gorkom , Emmanuel Momjian

The Closeby Habitable Exoplanet Survey (CHES) aims to achieve microarcsecond-level astrometry of about one hundred nearby FGK-type stars within 10 parsecs to detect Earth-like planets. Such precision exceeds the capability of absolute…

Earth and Planetary Astrophysics · Physics 2026-03-31 Dongjie Tan , Jianghui Ji , Chunhui Bao , Xiumin Huang , Guo Chen , Su Wang , Yao Dong , Jiacheng Liu , Zi Zhu , Haitao Li , Junbo Zhang , Liang Fang , Dong Li , Lei Deng

Observations of low-mass stars have frequently shown a disagreement between observed stellar radii and radii predicted by theoretical stellar structure models. This ``radius inflation'' problem could have an impact on both stellar and…

Solar and Stellar Astrophysics · Physics 2023-12-19 M. I. Swayne , P. F. L. Maxted , A. H. M. J. Triaud , S. G. Sousa , A. Deline , D. Ehrenreich , S. Hoyer , G. Olofsson , I. Boisse , A. Duck , S. Gill , D. Martin , J. McCormac , C. M. Persson , A. Santerne , D. Sebastian , M. R. Standing , L. Acuña , Y. Alibert , R. Alonso , G. Anglada , T. Bárczy , D. Barrado Navascues , S. C. C. Barros , W. Baumjohann , T. A. Baycroft , M. Beck , T. Beck , W. Benz , N. Billot , X. Bonfils , L. Borsato , V. Bourrier , A. Brandeker , C. Broeg , A. Carmona , S. Charnoz , A. Collier Cameron , P. Cortés-Zuleta , Sz. Csizmadia , P. E. Cubillos , M. B. Davies , M. Deleuil , X. Delfosse , L. Delrez , O. D. S. Demangeon , B. -O. Demory , G. Dransfield , A. Erikson , A. Fortier , T. Forveille , L. Fossati , M. Fridlund , D. Gandolfi , M. Gillon , M. Güdel , M. N. Günther , N. Hara , G. Hébrard , N. Heidari , C. Hellier , Ch. Helling , K. G. Isaak , F. Kerschbaum , F. Kiefer , L. L. Kiss , V. Kunovac , S. Lalitha , K. W. F. Lam , J. Laskar , A. Lecavelier des Etangs , M. Lendl , D. Magrin , L. Marafatto , E. Martioli , N. J. Miller , C. Mordasini , C. Moutou , V. Nascimbeni , R. Ottensamer , I. Pagano , E. Pallé , G. Peter , D. Piazza , G. Piotto , D. Pollacco , D. Queloz , R. Ragazzoni , N. Rando , H. Rauer , I. Ribas , N. C. Santos , G. Scandariato , D. Ségransan , A. E. Simon , A. M. S. Smith , R. Southworth , M. Stalport , Gy. M. Szabó , N. Thomas , S. Udry , B. Ulmer , V. Van Grootel , J. Venturini , N. A. Walton , E. Willett , T. G. Wilson

Observatories and satellites around the globe produce tremendous amounts of imaging data to study many different astrophysical phenomena. The serendipitous observations of Solar System objects are a fortunate by-product which have often…

Earth and Planetary Astrophysics · Physics 2019-06-11 Max Mahlke , Enrique Solano , Hervé Bouy , Benoit Carry , Gijs A. Verdoes Kleijn , Emmanuel Bertin

Continuous data releases throughout the TESS primary mission will provide unique opportunities for the exoplanet community at large to contribute to maximizing TESS's scientific return via the discovery and validation of transiting planets.…

Earth and Planetary Astrophysics · Physics 2019-07-31 Ryan Cloutier

TESS (Transiting Exoplanet Survey Satellite) was launched in 2018 with the purpose of observing bright stars in the solar neighbourhood to search for transiting exoplanets. After the completion of the two year nominal mission, TESS has…

Solar and Stellar Astrophysics · Physics 2022-10-26 Sangeetha Nandakumar , Mauro Barbieri , Jeremy Tregloan-Reed

The Closeby Habitable Exoplanet Survey (CHES) is dedicated to the astrometric exploration for habitable-zone Earth-like planets orbiting solar-type stars in close proximity, achieving unprecedented micro-arcsecond precision. Given the…

Earth and Planetary Astrophysics · Physics 2024-06-04 Chunhui Bao , Jianghui Ji , Dongjie Tan , Guo Chen , Xiumin Huang , Su Wang , Yao Dong

Analysing extended emission in photometric observations of star-forming regions requires maps free from compact foreground, embedded, and background sources, which can interfere with various techniques used to characterise the interstellar…

Instrumentation and Methods for Astrophysics · Physics 2025-04-02 M. Madarász , G. Marton , I. Gezer , S. Lehner , J. Roquette , M. Audard , D. Hernandez , O. Dionatos

Context. Modern space telescopes are currently providing high-precision light curves for a large fraction of the sky, such that many new variable stars are being discovered. However, some stars have periodic variability with periods of…

Solar and Stellar Astrophysics · Physics 2019-08-28 Dominic M. Bowman , Daniel L. Holdsworth

Precise physical properties of the known transiting exoplanets are essential for their precise atmospheric characterization using modern and upcoming instruments. Leveraging the large volume of high SNR photometric follow-up data from TESS,…

Earth and Planetary Astrophysics · Physics 2025-11-25 Suman Saha

The VISIONS public survey provides large-scale, multiepoch imaging of five nearby star-forming regions at subarcsecond resolution in the near-infrared. All data collected within the program and provided by the European Southern Observatory…

Instrumentation and Methods for Astrophysics · Physics 2023-05-17 Stefan Meingast , Hervé Bouy , Verena Fürnkranz , David Hernandez , Alena Rottensteiner , Erik Brändli