Jules Baillaud is a French astronomer. Initially assistant astronomer in Lyon (1900–1904) and at the Paris observatory

Paris Observatory

The Paris Observatory is the foremost astronomical observatory of France, and one of the largest astronomical centres in the world...

: assistant astronomer until 1925, he went on as astronomer from 1925 to 1947. From 1937 to 1947 he was also the director of the Pic du Midi

Pic du Midi

Pic du Midi may refer to:*Pic du Midi de Bigorre - A mountain in the Frence Pyrenees famous for its astronomical observatory.*Pic du Midi d'Ossau - Another mountain in the Frence Pyrenees...

 observatory and directed the Carte du Ciel

Carte du Ciel

The Carte du Ciel and the Astrographic Catalogue were two distinct but connected components of a massive international astronomical project, initiated in the late 19th century, to catalogue and map the positions of millions of stars as faint as 11th or 12th magnitude...

 from 1922 to 1947. In recognition for his achievements, he was awarded the Prix Jules Janssen

Prix Jules Janssen

The Prix Jules Janssen is the highest award of the French Astronomical Society. Created in 1897 and awarded annually, it is usually given in alternate years to a French astronomer, and to an astronomer of another nationality. It is distinct from the Janssen Medal , which is awarded by the French...

 in 1938.

The asteroid (1280) Baillauda

1280 Baillauda

1280 Baillauda is an outer main-belt asteroid discovered on August 18, 1933 by Delporte, E. at Uccle. Baillauda has a diameter of 50.83 km and turns on itself in 12.6 hours....

 is named in his memory, while the Baillaud crater

Baillaud (crater)

Baillaud is a lunar crater that is located near the north limb of the Moon. The rim of the crater has been eroded and worn by a long history of impacts, leaving a hilly ridge surrounding the interior. The crater Euctemon is intruding into the rim to the northeast, and the rim bulges outward to the...

 on the moon, and Baillaud asteroid (11764) Benbaillaud

11764 Benbaillaud

11764 Benbaillaud is a main belt asteroid with an orbital period of 1187.8009673 days . The asteroid was discovered on September 24, 1960....

, are referring to his father Benjamin Baillaud.

Bibliography

• Dr Frank Duprat. Le Calendrier conceptionnel de la femme, de la conception volontaire à la procréation volontaire du sexe. Avant-propos de M. Jules Baillaud,... [4e édition.] ‎(2) Bibliothèque nationale de France
• Notice sur les travaux scientifiques de M. Jules Baillaud,... ‎(2) Bibliothèque nationale de France
• Les courbes spectrales étalons ‎(1) Bibliothèque nationale de France
• Le développement des études de botanique à l'Observatoire du Pic-du-Midi, travaux sur la reproduction de la pomme de terre, une source de richesses : la reproduction des pommes de terre par semis de graines, résultats obtenus par M. Joseph Bouget dans la haute vallée de l'Adour, leurs conséquences pour l'avenir ‎(1) Bibliothèque nationale de France
• La Méthode de l'échelle de teintes en photométrie photographique : application à l'étude de l'étalon lumineux à acétylène, par M. Jules Baillaud ‎(1) Bibliothèque nationale de France
• Jules Baillaud, astronome titulaire à l'Observatoire de Paris. Quelques appareils de sensitométrie et de photométrie photographiques ‎(1) Bibliothèque nationale de France
• André Giret,... L'Astronomie actuelle et la notion de Dieu. Préface de Jules Baillaud,... ‎(1) Bibliothèque nationale de France

manuel de topometrie operations sur le terrain et calculs ‎(1) Bibliothèque nationale de France

• Observatoire de Paris. Tables de précession pour des changements d'équinoxede 25 et de 50 ans et pour tout autre changement d'équinoxe. [Introduction de Jules Baillaud.] ‎(1) Bibliothèque nationale de France
• Manuel de vulgarisation pratique ‎(1) Bibliothèque nationale de France

Sources

http://viaf.org/viaf/95321468/