3 papers
astro-ph.SR2021
From Lacaille to Lalande. French works on lunar distances, nautical ephemerides and lunar tables, 1742-1785
Guy Boistel
The papers studies the highly misknown works of french astronomers on ephemerides and lunar distances on the period 1742-1785. These works will have a strong influence on the devel…
physics.hist-ph2021
Comprendre l atmosphere du Soleil et celles des etoiles variables a la fin du 19e siecle or, Understanding the Sun and variable stars atmospheres at the end of the 19th Century
Guy Boistel
Guy Boistel questions the Sun / variable stars analogy at the heart of the work of Dutch astronomer Albert Brester. The problem of interdisciplinarity appears in the objectificatio…
astro-ph.SR2021
AY Peg, a large amplitude Algol-type star
Guy Boistel, Stephane Ferrand
The present paper gives new elements for the light variations of the EA variable star AY Peg, on the basis of new times of minimum performed visually and with ccd by members of GEO…