3 ms·

Sounds like a matched filter. I agree in principle about dwell time but for exoplanets that must be some combination of the eclipse time, JWST's intrinsic poin

• defrost 3y ago
  Very much so - it's a typical real world instrumentation challenge that's multilayered with meat enough for many a dissertation at every level. For those that are still following along the additional exoplanet challenge is to first gather the best possible spectrum for the star .. and then get the best possible spectrum of "the difference" when a (?) planet passes across the star and the total light drops by some factor. Complications, of which there are many, include having the best possible guess at the question of one planet or many, the same planet or a different one, etc. Bigger filters have little filters than focus on the differences, Little filters have lesser filters, and so on 'til white noise. (With deep apologies to Lewis Fry Richardson, of course) For those that enjoy this sort of thing the very recent 2023 annual Sky at Night Question Time features several exchanges on exo-planet fun - it's pitched to the general public. https://thetvdb.com/series/the-sky-at-night/seasons/official/2023 https://thetvdb.com/series/the-sky-at-night/seasons/official... Free to watch in the UK via the BBC, from abroad via a proxy, otherwise there are groups dedicated to sharing such material. https://docuwiki.net/index.php?title=Question_Time_%28BBC_the_Sky_at_Night_2023%29 https://docuwiki.net/index.php?title=Question_Time_%28BBC_th... https://en.wikipedia.org/wiki/MVGroup https://en.wikipedia.org/wiki/MVGroup