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4 results on '"Kamenidis, Ifikratis"'

1. The contact system DF Hya revisited

Author

Kamenidis, Ifikratis, Liakos, Alexios, and Niarchos, Panagiotis

Subjects
Astrophysics - Solar and Stellar Astrophysics
Abstract

New BVRI CCD photometric observations of the contact system DF Hya have been obtained. The light curves were analyzed with the Wilson-Devinney code and new geometric and photometric elements were derived. Moreover, the light curve solution, with the assumption of a third light in the system, revealed the existence of a tertiary component around the eclipsing pair. The present results are compared with those of other recent studies., Comment: 2 pages, 2 figures, Proceedings of the 10th Hellenic Astronomical Conference, held at Ioannina, Greece, 5-8 September 2011

Published
2014

2. Design, development, and performance of X-ray mirror coatings for the ATHENA mission

Author

L. O'Dell, Stephen, Pareschi, Giovanni, Della Monica Ferreira, Desiree, Massahi, Sonny, Christensen, Finn Erland, Shortt, Brian, Bavdaz, Marcos, Collon, Maximilien J., Landgraf, Boris, Gellert, Nis Christian, Korman, Jakob, Dalampiras, Paschalis, Rasmussen, Ida F., Kamenidis, Ifikratis, Krumrey, Michael, Schreiber, Swenja, L. O'Dell, Stephen, Pareschi, Giovanni, Della Monica Ferreira, Desiree, Massahi, Sonny, Christensen, Finn Erland, Shortt, Brian, Bavdaz, Marcos, Collon, Maximilien J., Landgraf, Boris, Gellert, Nis Christian, Korman, Jakob, Dalampiras, Paschalis, Rasmussen, Ida F., Kamenidis, Ifikratis, Krumrey, Michael, and Schreiber, Swenja

Abstract

We report the latest results on coating design optimisation and optics performance for the present Ir/B4C baseline coating and alternative designs and materials, including bilayers and linear graded multilayers. We make use of X-ray reflectometry (XRR) to test both coating performance and robustness.

Published
2017

3. Design, development, and performance of x-ray mirror coatings for the ATHENA mission

Author

Massahi, Sonny, primary, Christensen, Finn E., primary, Shortt, Brian, primary, Collon, Maximilien J., primary, Krumrey, Michael, primary, Schreiber, Swenja, primary, Rasmussen, Ida F., primary, Dalampiras, Paschalis, primary, Kamenidis, Ifikratis, primary, Korman, Jakob, primary, Della Monica Ferreira, Desirée, primary, Gellert, Nis C., primary, Landgraf, Boris, primary, and Bavdaz, Marcos, primary

Published
2017
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