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- Helmholtz Institute JenaDE407 papers
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128 papers · 1 filter
Challenging historical novae: AT Cnc (1645), Te-11 (483), and M22 (BC 48) revisited
D. L. Neuhäuser, R. Neuhäuser, V. Hambaryan +2
Connections between novae with shells and historical observations are crucial for astrophysical understanding of long-term evolution of shells and cataclysmic variables. Three of f…
Massive runaway star HD 254577: the pre-supernova binary companion to the progenitor of the supernova remnant IC 443
B. Dinçel, G. Paylı, S. K. Yerli +9
The secondaries of the massive binary systems can be found as runaway stars after being ejected due to the supernova (SN) of the more massive component. We search for such stars in…
New Arabic records from Cairo on supernovae 1181 and 1006
J. G. Fischer, H. Halm, R. Neuhäuser +1
The remnant of the historical supernova SN 1181 is under discussion: While the previously suggested G130.7+3.1 (3C58) appears too old (3000-5000 yr), the unusual star IRAS 00500+67…
Was there a (super)nova in 1408?
Boshun Yang, Nikolaus Vogt, Susanne M Hoffmann
The 1408 CE "guest star" recorded in Chinese historical texts presents a compelling case for identifying a historical stellar transient. While previous studies debated its nature a…
Spectroscopic Follow-Up of Candidate Runaway Stars
Guillermo Torres, Ralph Neuhäuser, Sebastian A. Hüttel +1
Runaway stars are characterized by higher space velocities than typical field stars. They are presumed to have been ejected from their birth places by one or more energetic mechani…
Simple molecules and complex chemistry in a protoplanetary disk: A JWST investigation of the highly inclined disk d216-0939
Alexey Potapov, Hendrik Linz, Jeroen Bouwman +5
While the number of detected molecules, particularly complex organic molecules, in the solid-state in astrophysical environments is still rather limited, laboratory experiments and…