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Microlensing is a unique tool, capable of detecting the 'cold' planets between 1-10 AU from their host stars, and even unbound 'free-floating' planets. This regime has been poorly sampled to date owing to the limitations of alternative…

Earth and Planetary Astrophysics · Physics 2017-09-29 E. Bachelet , M. Norbury , V. Bozza , R. Street

We expand upon our paper (Rice and Yeates, 2021) which introduced `Outflow Fields': alternatives to the widely-used potential field source surface (PFSS) extrapolations of the Sun's coronal magnetic field which take into account the effect…

Solar and Stellar Astrophysics · Physics 2026-03-24 Oliver Rice , Anthony Yeates

With TESS and ground-based surveys searching for rocky exoplanets around cooler, nearby stars, the number of Earth-sized exoplanets that are well-suited for atmospheric follow-up studies will increase significantly. For atmospheric…

Instrumentation and Methods for Astrophysics · Physics 2019-05-08 Ashley D. Baker , Cullen H. Blake , Sam Halverson

Recent investigations have demonstrated the potential for utilizing a new observational and data analysis technique for studying the atmospheres of non-transiting exoplanets with combined light that relies on acquiring simultaneous,…

Earth and Planetary Astrophysics · Physics 2022-10-12 Avi M. Mandell , Jacob Lustig-Yaeger , Kevin Stevenson , Johannes Staguhn

In this paper we introduce the SEAGLE (i.e. Simulating EAGLE LEnses) program, that approaches the study of galaxy formation through strong gravitational lensing, using a suite of high-resolution hydrodynamic simulations, Evolution and…

Here follows a preliminary report on the construction of fake millimeter and sub-millimeter skies, as observed by virtual instruments, e.g. the COBRA/SAMBA mission, using theoretical modeling and data extrapolations. Our goal is to create…

Astrophysics · Physics 2009-10-22 F. R. Bouchet , R. Gispert , N. Aghanim , J. R. Bond , A. De Luca , E. Hivon , B. Maffei

Soft robots, particularly magnetic soft robots, require specialized simulation tools to accurately model their deformation under external magnetic fields. However, existing platforms often lack dedicated support for magnetic materials,…

We present end-to-end simulations of SCALES, the third generation thermal-infrared diffraction limited imager and low/med-resolution integral field spectrograph (IFS) being designed for Keck. The 2-5 micron sensitivity of SCALES enables…

Instrumentation and Methods for Astrophysics · Physics 2021-10-29 Zackery Briesemeister , Steph Sallum , Andrew Skemer , R. Deno Stelter , Philip Hinz , Timothy Brandt

Many high contrast coronagraph designs have recently been proposed. In this paper, their suitability for direct imaging of extrasolar terrestrial planets is reviewed. We also develop a linear-algebra based model of coronagraphy that can…

Astrophysics · Physics 2009-11-11 O. Guyon , E. A. Pluzhnik , M. J. Kuchner , B. Collins , S. T. Ridgway

Because of bright starlight leakage in coronagraphic raw images, faint astrophysical objects such as exoplanets can only be detected using powerful point spread function (PSF) subtraction algorithms. However, these algorithms have strong…

Instrumentation and Methods for Astrophysics · Physics 2020-12-16 Johan Mazoyer , Pauline Arriaga , Justin Hom , Maxwell A. Millar-Blanchaer , Christine Chen , Jason Wang , Gaspard Duchêne , Jennifer Patience , Laurent Pueyo

We give an overview of the SImulation of X-ray TElescopes (SIXTE) software package, a generic, mission-independent Monte Carlo simulation toolkit for X-ray astronomical instrumentation. The package is based on a modular approach for the…

As JWST begins to return observations, it is more important than ever that exoplanet climate models can consistently and correctly predict the observability of exoplanets, retrieval of their data, and interpretation of planetary…

The Wide Field Infrared Survey Telescope (WFIRST) is a 2.4m space telescope with a 0.281 deg^2 field of view for near-IR imaging and slitless spectroscopy and a coronagraph designed for > 10^8 starlight suppresion. As background information…

Instrumentation and Methods for Astrophysics · Physics 2019-02-18 Rachel Akeson , Lee Armus , Etienne Bachelet , Vanessa Bailey , Lisa Bartusek , Andrea Bellini , Dominic Benford , David Bennett , Aparna Bhattacharya , Ralph Bohlin , Martha Boyer , Valerio Bozza , Geoffrey Bryden , Sebastiano Calchi Novati , Kenneth Carpenter , Stefano Casertano , Ami Choi , David Content , Pratika Dayal , Alan Dressler , Olivier Doré , S. Michael Fall , Xiaohui Fan , Xiao Fang , Alexei Filippenko , Steven Finkelstein , Ryan Foley , Steven Furlanetto , Jason Kalirai , B. Scott Gaudi , Karoline Gilbert , Julien Girard , Kevin Grady , Jenny Greene , Puragra Guhathakurta , Chen Heinrich , Shoubaneh Hemmati , David Hendel , Calen Henderson , Thomas Henning , Christopher Hirata , Shirley Ho , Eric Huff , Anne Hutter , Rolf Jansen , Saurabh Jha , Samson Johnson , David Jones , Jeremy Kasdin , Patrick Kelly , Robert Kirshner , Anton Koekemoer , Jeffrey Kruk , Nikole Lewis , Bruce Macintosh , Piero Madau , Sangeeta Malhotra , Kaisey Mandel , Elena Massara , Daniel Masters , Julie McEnery , Kristen McQuinn , Peter Melchior , Mark Melton , Bertrand Mennesson , Molly Peeples , Matthew Penny , Saul Perlmutter , Alice Pisani , Andrés Plazas , Radek Poleski , Marc Postman , Clément Ranc , Bernard Rauscher , Armin Rest , Aki Roberge , Brant Robertson , Steven Rodney , James Rhoads , Jason Rhodes , Russell Ryan , Kailash Sahu , David Sand , Dan Scolnic , Anil Seth , Yossi Shvartzvald , Karelle Siellez , Arfon Smith , David Spergel , Keivan Stassun , Rachel Street , Louis-Gregory Strolger , Alexander Szalay , John Trauger , M. A. Troxel , Margaret Turnbull , Roeland van der Marel , Anja von der Linden , Yun Wang , David Weinberg , Benjamin Williams , Rogier Windhorst , Edward Wollack , Hao-Yi Wu , Jennifer Yee , Neil Zimmerman

A modular, maintainable and extensible particle beam simulation architecture is presented. Design considerations for single particle, multi particle, and rms envelope simulations (in two and three dimensions) are outlined. Envelope…

Computational Physics · Physics 2007-05-23 Nicholas D. Pattengale , Christopher K. Allen

To make full use of photocathode material and improve its quantum efficiency lifetime, it can be necessary to operate laser away from the cathode center in photoinjectors. In RF guns, the off-axis emitted beam will see a time-dependent RF…

Accelerator Physics · Physics 2016-12-21 Rui-Xuan Huang , Chad Mitchell , Qi-Ka Jia , Christos Papadopoulos , Fernando Sannibale

The Habitable Worlds Observatory will attempt to image Earth-sized planets in Habitable Zone orbits around nearby Sun-like stars. In this work we explore approximate analytic yield calculations for a future flagship direct imaging mission…

Earth and Planetary Astrophysics · Physics 2024-01-05 Peter Plavchan , John E. Berberian , Stephen R Kane , Rhonda Morgan , Eliad Peretz , Sophia Economon

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

The exoplanet revolution is well underway. The last decade has seen order-of-magnitude increases in the number of known planets beyond the Solar system. Detailed characterization of exoplanetary atmospheres provide the best means for…

We present a prediction of the transiting exoplanet yield of the TESS primary mission, in order to guide follow-up observations and science projects utilizing TESS discoveries. Our new simulations differ from previous work by using (1) an…