Observationally driven Galactic double white dwarf population for LISA

V Korol, N Hallakoun, S Toonen… - Monthly Notices of the …, 2022 - academic.oup.com
Realistic models of the Galactic double white dwarf (DWD) population are crucial for testing
and quantitatively defining the science objectives of the Laser Interferometer Space Antenna …

SRGeJ045359. 9+ 622444: A 55 Minute Period Eclipsing AM Canum Venaticorum Star Discovered from a Joint SRG/eROSITA+ ZTF Search

AC Rodriguez, I Galiullin, M Gilfanov… - The Astrophysical …, 2023 - iopscience.iop.org
Abstract AM Canum Venaticorum (AM CVn) systems are ultracompact binaries where a
white dwarf accretes from a helium-rich degenerate or semidegenerate donor. Some AM …

Discovery and characterization of five new eclipsing AM CVn systems

J van Roestel, T Kupfer, MJ Green… - Monthly Notices of …, 2022 - academic.oup.com
ABSTRACT AM CVn systems are ultra-compact, hydrogen-depleted, and helium-rich,
accreting binaries with degenerate or semidegenerate donors. We report the discovery of …

[HTML][HTML] The Gaia white dwarf revolution

PE Tremblay, A Bédard, MW O'Brien, J Munday… - New Astronomy …, 2024 - Elsevier
This review highlights the role of the Gaia space mission in transforming white dwarf
research. These stellar remnants constitute 5%–7% of the local stellar population in volume …

An eclipsing 47 min double white dwarf binary at 400 pc

J Munday, PE Tremblay, JJ Hermes… - Monthly Notices of …, 2023 - academic.oup.com
We present the discovery of the eclipsing double white dwarf (WD) binary WDJ 022558.21−
692025.38 that has an orbital period of 47.19 min. Following identification with the Transiting …

A systematic search for short-period close white dwarf binary candidates based on Gaia EDR3 Catalog and Zwicky Transient Facility data

L Ren, C Li, B Ma, S Cheng, SJ Huang… - The Astrophysical …, 2023 - iopscience.iop.org
Galactic short-period close white dwarf binaries (CWDBs) are important objects for space-
borne gravitational-wave (GW) detectors in the millihertz frequency bands. Due to the …

A Zwicky Transient Facility Look at Optical Variability of Young Stellar Objects in the North America and Pelican Nebulae Complex

LA Hillenbrand, TJ Kiker, M Gee, O Lester… - The Astronomical …, 2022 - iopscience.iop.org
We present a study of 323 photometrically variable young stellar objects that are likely
members of the North America and Pelican nebulae star-forming region. To do so, we utilize …

ZTFJ0038+ 2030: A long-period eclipsing white dwarf and a substellar companion

J van Roestel, T Kupfer, KJ Bell, K Burdge… - The Astrophysical …, 2021 - iopscience.iop.org
In a search for eclipsing white dwarfs using the Zwicky Transient Facility lightcurves, we
identified a deep eclipsing white dwarf with an orbital period of 10.4 hr and an undetected …

He-star donor AM CVn stars and their progenitors as LISA sources

WM Liu, L Yungelson, A Kuranov - Astronomy & Astrophysics, 2022 - aanda.org
Context. Ultracompact cataclysmic variables (CVs) of the AM CVn type are deemed to be
important verification sources for the future space gravitational wave detectors such as the …

Probing the efficiency of tidal synchronization in outspiralling double white dwarf binaries with LISA

S Biscoveanu, K Kremer, E Thrane - The Astrophysical Journal, 2023 - iopscience.iop.org
Compact-object binaries including a white dwarf component are unique among gravitational-
wave sources because their evolution is governed not just by general relativity and tides, but …