473 citations
- E. Paunzen3 profiles48 · h 30
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- Czech Academy of Sciences, Astronomical InstituteCZ80 papers
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29 papers · 1 filter
Two Cases of Deduction with Non-referring Descriptions
Jiří Raclavský
Formal reasoning with non-denoting terms, esp. non-referring descriptions such as "the King of France", is still an under-investigated area. The recent exception being a series of…
Resolvent and spectrum for discrete symplectic systems in the limit point case
Petr Zemánek
The spectrum of an arbitrary self-adjoint extension of the minimal linear relation associated with the discrete symplectic system in the limit point case is completely characterize…
Eigenfunctions expansion for discrete symplectic systems with general linear dependence on spectral parameter
Petr Zemánek
Eigenfunctions expansion for discrete symplectic systems on a finite discrete interval is established in the case of a general linear dependence on the spectral parameter as a sign…
The clus model in SPEX: projection and resonant scattering effects on the iron abundance and temperature profiles of galaxy clusters
Lýdia Štofanová, Aurora Simionescu, Jelle S. Kaastra
In this paper we introduce the clus model, which has been newly implemented in the X-ray spectral fitting software package SPEX. Based on the 3D radial profiles of the gas density,…
A binary system in the S cluster close to the supermassive black hole Sagittarius A*
Florian Peißker, Michal Zajacek, Lucas Labadie +4
High-velocity stars and peculiar G objects orbit the central supermassive black hole (SMBH) Sagittarius A* (Sgr A*). Together, the G objects and high-velocity stars constitute the…
Spectroscopic observations of flares and superflares on AU Mic
P. Odert, M. Leitzinger, R. Greimel +13
The young active flare star AU~Mic is the planet host star with the highest flare rate from TESS data. Therefore, it represents an ideal target for dedicated ground-based monitorin…