News
Letter from the Editor
2020-05-18
Dear subscribers to A peculiar Newsletter (ApN),
By now you all probably have seen the message from the Chair of the IAU Working Group on Ap & Related Stars, Gautier Mathys, about the revival of the newsletter and maybe you …
ApN is back on line
2020-05-13
Dear subscriber to A peculiar Newsletter (ApN),
As previously announced by email, the long-serving ApN web page ceased to be accessible in February 2019 owing to technical problems with the hosting server. These problems proved terminal, and a new server …
Welcome
2020-04-08
These are the new pages for A peculiar Newsletter, the newsletter published by the IAU WG on Ap and related stars, restarted in April 2020.
Fiorella Castelli (1943 - 2019)
2019-08-19
Fiorella Castelli passed away, much too early, on 2019 July 26, at the age of 76. Her work together with R. L. Kurucz on ATLAS9 model atmospheres is well-known and widely used by astronomers all over the world. Fiorella’s synthetic …
Pierre Renson (9 January 1928 – 1 February 2019)
2019-02-14
Pierre Renson passed away on 1 February, at the age of 91. He is best known in the “Ap & Related Stars” community for his “Catalogue of Ap, HgMn and Am stars” (published with Jaen Manfroid as co-author) and his …