42 citations · 145 across the 11 of their papers we have counts for
11 papers
An eclipsing CEMP candidate discovered in a search for dwarf carbon stars in post-common envelope binaries
Jonathan A. G. McLennan, Jay Farihi, Steven G. Parsons
Dwarf carbon stars are dominated by members of the Galactic halo and are thus likely carbon-enhanced metal-poor stars. In this work, 879 bona fide dwarf carbon stars are characteri…
ZTF J021804.16+071152.93: a dead cataclysmic variable and potential solution to the missing period bouncers
S. G. Parsons, A. J. Brown, S. L. Casewell +22
It is predicted that half or more of all cataclysmic variables (CVs) should have evolved past the period minimum and now exist as so-called "period bouncers" where a white dwarf sh…
Long-term eclipse time variations in white dwarf binaries
Amalie Yates, S. G. Parsons, A. J. Brown +15
The overwhelming majority of eclipsing white dwarf (WD) binary systems show quasi-periodic variations in eclipse timings on many year timescales. Currently, the mechanism behind th…
Most extremely low mass white dwarfs with non-degenerate companions are inner binaries of hierarchical triples
Felipe Lagos-Vilches, Mercedes Hernandez, Matthias R. Schreiber +2
Extremely-low-mass white dwarfs (ELM WDs) with non-degenerate companions are believed to originate from solar-type main-sequence binaries undergoing stable Roche lobe overflow mass…
Novel Constraints on Companions to the Helix Nebula Central Star
Leyla Iskandarli, Jay Farihi, Joshua D. Lothringer +3
The Helix is a visually striking and the nearest planetary nebula, yet any companions responsible for its asymmetric morphology have yet to be identified. In 2020, low-amplitude ph…
Rotation plays a role in the generation of magnetic fields in single white dwarfs
Mercedes S. Hernandez, Matthias R. Schreiber, John D. Landstreet +5
Recent surveys of close white dwarf binaries as well as single white dwarfs have provided evidence for the late appearance of magnetic fields in white dwarfs, and a possible genera…
Formation of long-period post-common-envelope binaries I. No extra energy is needed to explain oxygen-neon white dwarfs paired with AFGK-type main-sequence stars
Diogo Belloni, Monica Zorotovic, Matthias R. Schreiber +3
In this first in a series of papers related to long-period post-common-envelope (CE) binaries, we investigated whether extra energy is required or not to explain the currently know…
The White Dwarf Binary Pathways Survey IV: Three close white dwarf binaries with G-type secondary stars
M. S. Hernandez, M. R. Schreiber, S. G. Parsons +12
Constraints from surveys of post common envelope binaries (PCEBs) consisting of a white dwarf plus an M-dwarf companion have led to significant progress in our understanding of the…
Once in a blue moon: detection of 'bluing' during debris transits in the white dwarf WD1145+017
N. Hallakoun, S. Xu, D. Maoz +16
The first transiting planetesimal orbiting a white dwarf was recently detected in K2 data of WD1145+017 and has been followed up intensively. The multiple, long, and variable trans…
Orbital periods and component masses of three double white dwarfs
A. Rebassa-Mansergas, S. G. Parsons, E. Garcia-Berro +4
The merger of close double white dwarfs (CDWDs) is one of the favourite evolutionary channels for producing Type Ia supernovae (SN Ia). Unfortunately, current theories of the evolu…
The evolution of the self-lensing binary KOI-3278: evidence of extra energy sources during CE evolution
M. Zorotovic, M. R. Schreiber, S. G. Parsons
Post-common-envelope binaries (PCEBs) have been frequently used to observationally constrain models of close-compact-binary evolution, in particular common-envelope (CE) evolution.…