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60 papers
A tale of three cataclysmic variables with distinct superhumps
Arti Joshi, Claus Tappert, Márcio Catelan +2
We present the TESS observations of CRTS J110014.7+131552, SDSS J093537.46+161950.8, and [PK2008] HalphaJ130559. Among them, a superoutburst is observed in CRTS J110014.7+131552 wh…
MUSE observations of V1425 Aql reveal an arc-shaped nova shell
L. Celedón, C. Tappert, L. Schmidtobreick +1
Nova shells are the remnants of a nova eruption in a cataclysmic variable system. By studying their geometry we can better understand the physical mechanisms that shape them during…
Unveiling the 3D structure of nova shells with MUSE -- The case of RR Pic
Lientur Celedón, Linda Schmidtobreick, Claus Tappert +1
Nova eruptions occur in cataclysmic variables when enough material has been accreted onto the surface of the white dwarf primary. As a consequence, the material that has been accum…
The peculiar ejecta of the nova V1425 Aquilae
C. Tappert, L. Celedón, L. Schmidtobreick
Many important details of the mechanisms underlying the ejection of material during a (classical) nova eruption are still not understood. Here we present optical spectroscopy and n…
Structure of the accretion flow of IX Velorum as revealed by high-resolution spectroscopy
Jan Kára, Linda Schmidtobreick, Anna Francesca Pala +1
Context: Several high-mass transfer cataclysmic variables show evidence for outflow from the system, which could play an important role in their evolution. We investigate the syste…
The White Dwarf Binary Pathways Survey VI: two close post common envelope binaries with TESS light curves
M. S. Hernandez, M. R. Schreiber, S. G. Parsons +9
Establishing a large sample of post common envelope binaries (PCEBs) that consist of a white dwarf plus an intermediate mass companion star of spectral type AFGK, offers the potent…