69 citations · 98 across the 3 of their papers we have counts for
17 papers
The foundation of "Saint V{é}ran-Paul Felenbok" astronomical observatory
Jean-Marie Malherbe
This paper is dedicated to the memory of Paul Felenbok (1936-2020) who was astronomer at Paris-Meudon observatory, and founded in 1974, fifty years ago, a high altitude station (29…
A compilation of solar atlases (from Delbouille, Kurucz, Gandorfer, Stenflo) at disk centre and at limb from 3000 Å to 8800 Å
Jean-Marie Malherbe
We present in this paper a compilation of solar atlases from 3000 Å to 8800 Å with spectral lines identified by the Moore table and with the corresponding equivalent Lande…
Transport of the magnetic flux away from a decaying sunspot via convective motions
Chenxi Zheng, Thierry Roudier, Brigitte Schmieder +5
Aims. The aim of this paper is to consider relationship between the decay of sunspots and convection via the motion of the family of granules and how the diffusion mechanism of mag…
The quadruple spectroheliograph of Meudon observatory (1909-1959)
Jean-Marie Malherbe
The spectroheliograph was invented independently by Henri Deslandres (France) and George Hale (USA) in 1892, following the spectroscopic method suggested by Jules Janssen in 1869.…
The Haute Provence monochromatic heliograph (1958-1994)
Jean-Marie Malherbe
Bernard Lyot invented the monochromatic birefringent filter in 1933 in order to investigate the coronal emissions of solar structures above the limb with the coronagraph installed…
In pursuit of the Sun, from Jules Janssen to the present day
Jean-Marie Malherbe
The Sun has been observed through a telescope for four centuries. However, its study made a prodigious leap at the end of the nineteenth century with the appearance of photography…