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Spectroscopy of the Type Ia supernova 2011fe past 1000 days
S. Taubenberger, N. Elias-Rosa, W. E. Kerzendorf +11
In this letter we present an optical spectrum of SN 2011fe taken 1034 d after the explosion, several hundred days later than any other spectrum of a Type Ia supernova (disregarding…
Radial velocity measurements of the pulsating zirconium star: LS IV -14 116
C. Simon Jeffery, Amir Ahmad, Naslim Neelamkodan +1
The helium-rich hot subdwarf LS IV -14 116 shows remarkably high surface abundances of zirconium, yttrium, strontium, and germanium, indicative of strong chemical stratification in…
Very late photometry of SN 2011fe
W. E. Kerzendorf, S. Taubenberger, I. R. Seitenzahl +1
The Type Ia supernova SN 2011fe is one of the closest supernovae of the past decades. Due to its proximity and low dust extinction, this object provides a very rare opportunity to…
A spectral synthesis code for rapid modelling of supernovae
Wolfgang E. Kerzendorf, Stuart A. Sim
We present TARDIS - an open-source code for rapid spectral modelling of supernovae (SNe). Our goal is to develop a tool that is sufficiently fast to allow exploration of the comple…