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astro-ph.SR2021
V1405 Cas Nova 2021: About the nature of a multi-maxima nova
Erik Wischnewski
CONTEXT: The Nova V1405 Cas, which erupted on 18 March 2021, showed a pre-maximum phase of almost two months. After the main maximum, during several month the nova only weakened sl…
astro-ph.SR2016
Revised Elements and Blazhko Effect of the RR Lyrae Star AR Herculis
Erik Wischnewski
AR Herculis is an RR Lyrae star of type RRab whose spectral type ranges from A7 to F3. Its visual brightness varies between 10.59 mag and 11.63 mag (V). By analysis of 34,000 measu…