Frédéric Sy

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Asteroids discovered: 2
858 El Djezaïr May 26, 1916
859 Bouzaréah October 2, 1916

Frédéric Sy was a French astronomer.

He worked at the Paris Observatory from 1879 to 1887, and as the assistant astronomer at the Algiers Observatory from 1887 to 1918.[1] While working in Algiers he published extensively on the subjects of minor asteroids and comets, and was a colleague of astronomer François Gonnessiat.

Sy was responsible for the discovery and naming of two asteroids, 858 El Djezaïr and 859 Bouzaréah. The names were drawn from locations near the Algiers Observatory.

The asteroid 1714 Sy was named after him in 1951.


  1. ^ Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names. Springer. p. 136. ISBN 3-540-00238-3.