FORECASTOR. I. Finding Optics Requirements and Exposure Times for the Cosmological Advanced Survey Telescope for Optical and UV Research Mission

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Estimated time to first reproduction: a few days. Risk flags: No repository-level reproducibility signals are currently available, Estimate is based on paper-only reproduction flow. No direct maintained implementation was found. Use the paper PDF and citation graph to design a baseline reproduction.

Isaac Cheng, Tyrone E. Woods, Patrick Côté, Jennifer Glover, Dhananjhay Bansal, M. Amenouche, Madeline A. Marshall, Laurie Amen, J. B. Hutchings, Laura Ferrarese, Kim A. Venn, Michael L. Balogh, Simon Blouin, Ryan Cloutier, Nolan Dickson, S. C. Gallagher, Martin Hellmich, V. Hénault-Brunet, Viraja Khatu, C. Lawlor-Forsyth, Cameron Morgan, Harvey B. Richer, Marcin Sawicki, Robert Sorba

Published: Mar 26, 2024

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Time to first repro: a few days

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DOI Publisher

Abstract The Cosmological Advanced Survey Telescope for Optical and ultraviolet Research (CASTOR) is a proposed Canadian-led 1 m class space telescope that will carry out ultraviolet and blue optical wide-field imaging, spectroscopy, and photometry. CASTOR will provide an essential bridge in the post-Hubble era, preventing a protracted UV-optical gap in space astronomy and enabling an enormous range of discovery oppo ...

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rtunities from the solar system to the nature of the cosmos, in conjunction with the other great wide-field observatories of the next decade (e.g., Euclid, Roman, Vera Rubin). FORECASTOR (Finding Optics Requirements and Exposure times for CASTOR) will supply a coordinated suite of mission-planning tools that will serve as the one-stop shop for proposal preparation, data reduction, and analysis for the CASTOR mission. We present the first of these tools: a pixel-based, user-friendly, extensible, multi-mission exposure time calculator built in Python, including a modern browser-based graphical user interface that updates in real time. We then provide several illustrative examples of FORECASTOR’s use that advance the design of planned legacy surveys for the CASTOR mission: a search for the most massive white dwarfs in the Magellanic Clouds, a study of the frequency of flaring activity in M stars and their distribution and impacts on habitability of exoplanets, mapping the proper motions of faint stars in the Milky Way, wide and deep galaxy surveys, and time-domain studies of active galactic nuclei.

Technical details

Canonical key: doi-10.3847_1538-3881_ad2987

Cache status: Stale (SWR served)

Generated at: Jul 18, 2026, 4:50 PM

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HF provider: ok (mixed)

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LLM generated: Unknown

LLM content type: n/a

HF policy: hf-relevance-v27

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Benchmarks: missing

Time to repro: a few days

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Last checked: Jul 18, 2026

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Telescope, Survey research, Optical telescope, Astronomy, Optics, Remote sensing, Instrumentation, Physical Sciences

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Physics, Physics and Astronomy

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