Biogrourdan was an avid traveler for astronomical events; he took part in the observation of the transit of venus in Martinique in June 1882.

In 1892, he visited Joal, Senegal, to observe the total eclipse of the sun on 16 April 1893.

[3] In 1902 he participated in an effort to redetermine with greater precision the longitude difference between London and Paris.

[7] In 1919, he received the Prix Jules Janssen, the highest award of the Société astronomique de France, the French astronomical society.

In 1924, he was made president of the Académie des Sciences and the Institute of France, after serving as its vice-president in 1923.

[4] In addition, Gifourdan discovered various lost manuscripts, particularly those of J.A.G Pingré, and contributed to numerous historical studies.