{"version":"1.0","type":"rich","title":"Limiting magnitude from first principles","author_name":"Tomas Vrba","author_url":"https://jot.place/@dust","provider_name":"Jot","provider_url":"https://jot.place","url":"https://jot.place/@dust/limiting-magnitude-from-first-principles","html":"<iframe src=\"https://jot.place/embed/dust/limiting-magnitude-from-first-principles\" width=\"600\" height=\"400\" frameborder=\"0\" allowtransparency=\"true\" scrolling=\"no\" title=\"Limiting magnitude from first principles\"></iframe>","width":600,"height":400}