She was the chief investigator on Lalande's large-scale study of lunar astronomy, which was undertaken at the Paris Observatory, and she became the first woman in Paris to teach astronomy.
Siya ang punong-usig sa Lalande ng malakihang pag-aaral ukol sa buwan ng astronomy, na kung saan ay nagtangka sa Paris obserbatoryo, at siya ay naging ang unang babae sa Paris upang magturo astronomy.