activity
20232026
most citedA half-ring of ionized circumstellar material trapped in the magnetosphere of a white dwarf merger remnant

4 citations · 15 across the 15 of their papers we have counts for

collaborators

18 papers

astro-ph.SR2026

Detection of knots in the supernova type Iax remnant Pa 30

Tim Cunningham, Ilaria Caiazzo, John C. Raymond +1

We present deep, narrowband Gemini North/GMOS images of the Pa 30 nebula that reveal rich small-scale structure in the ejecta filaments. In [S II], the number of detected filaments…

astro-ph.SR2026

The long period radio transient ASKAP J1448-68 is a cataclysmic variable

Geoffrey Mo, Akash Anumarlapudi, Iris de Ruiter +8

Wide-field time-domain radio surveys have recently unveiled a new class of Galactic radio emitter: long period radio transients (LPTs). Despite the rapid pace of discovery, their o…

astro-ph.SR2026

Now you see me, now you don't: Deep, long-lived obscuration events of white dwarfs by dust and debris from disintegrating planetesimals

J. van Roestel, S. Bhattacharjee, J. A. Guidry +22

Transiting dust and debris around white dwarfs provide a direct view of planetary disruption. We report six previously non-variable white dwarfs that underwent single, deep obscura…

astro-ph.EP2026★ 3 cited

KMT-2025-BLG-1616Lb: First Microlensing Bound Planet From DREAMS

Hongjing Yang, Weicheng Zang, Yoon-Hyun Ryu +60

We present observations and analysis of the bound planetary microlensing event KMT-2025-BLG-1616. The planetary signal was captured by the Korea Microlensing Telescope Network (KMT…

astro-ph.IM2025

White Dwarf Binaries: Probes of Future Astrophysics

Anna F. Pala, Roberto Raddi, Alberto Rebassa-Mansergas +25

White dwarf binaries are fundamental astrophysical probes. They represent ideal laboratories to test the models of binary evolution, which also apply to the sources of gravitationa…

astro-ph.IM2025

The Future of Evolved Planetary Systems

Roberto Raddi, Anna F. Pala, Alberto Rebassa-Mansergas +19

Understanding the formation, evolution, and chemical diversity of exoplanets are now central areas of astrophysics research. White dwarfs provide a uniquely sensitive laboratory fo…

astro-ph.IM2025

White Dwarfs in Wide Binary Systems as Reliable Age Calibrators

Alberto Rebassa-Mansergas, Roberto Raddi, Anna F. Pala +13

Deriving precise stellar ages is a challenging task. Consequently, age-dependent relations - such as the age-metallicity and age-velocity dispersion relations of the Milky Way, or…

astro-ph.IM2025

The Galactic White Dwarf Population

Santiago Torres, Roberto Raddi, Alberto Rebassa-Mansergas +15

The ESA Gaia mission has revolutionized our understanding of the white dwarf population, delivering an unprecedented census of these nearby remnants and revealing previously unseen…

astro-ph.SR2025

Double White Dwarf Binaries in SDSS-V DR19 : A catalog of DA white dwarf binaries and constraints on the binary population

Gautham Adamane Pallathadka, Vedant Chandra, Nadia L. Zakamska +17

The fifth-generation Sloan Digital Sky Survey (SDSS-V) includes the first large-scale spectroscopic survey of white dwarfs (WDs) in the era of Gaia parallaxes. SDSS-V collects mult…

astro-ph.SR2025

Circumstellar interaction in the extreme white dwarf merger remnant ZTF\,J1901+1458: A new class of white dwarf merger remnants with X-ray emission

Aayush Desai, Ilaria Caiazzo, Stephane Vennes +31

Double degenerate white dwarf (WD) mergers can exhibit extreme magnetic fields exceeding G and rapid rotation, but their spectral-energy distributions and high-energy emis…

astro-ph.SR2025★ 3 cited

A hot white dwarf merger remnant revealed by an ultraviolet detection of carbon

Snehalata Sahu, Antoine Bédard, Boris T. Gänsicke +7

Atmospheric carbon has been detected in the optical spectra of six hydrogen-rich ultra-massive white dwarfs, revealing large carbon abundances (log C/H > 0.5) attributable to th…

astro-ph.SR2025

The DBL Survey II: towards a mass-period distribution of double white dwarf binaries

James Munday, Ingrid Pelisoli, Pier-Emmanuel Tremblay +14

Double white dwarf binaries are an important remnant of binary evolution as they are possible type Ia supernova progenitors and strong sources of gravitational waves in the low-fre…

astro-ph.SR2025★ 4 cited

A half-ring of ionized circumstellar material trapped in the magnetosphere of a white dwarf merger remnant

Andrei A. Cristea, Ilaria Caiazzo, Tim Cunningham +31

Many white dwarfs are observed in compact double white dwarf binaries and, through the emission of gravitational waves, a large fraction are destined to merge. The merger remnants…

astro-ph.SR2025

Double White Dwarf Binaries in SDSS-V DR19 : The discovery of a rare DA+DQ white dwarf binary with 31 hour orbital period

Gautham Adamane Pallathadka, Vedant Chandra, Boris T. Gansicke +13

Binaries of two white dwarfs (WDs) are an important class of astrophysical objects that are theorized to lead to Type Ia supernovae and are also used to gain insight into complex p…

astro-ph.IM2025★ 3 cited

Sloan Digital Sky Survey-V: Pioneering Panoptic Spectroscopy

Juna A. Kollmeier, Hans-Walter Rix, Conny Aerts +217

The Sloan Digital Sky Survey-V (SDSS-V) is pioneering panoptic spectroscopy: it is the first all-sky, multi-epoch, optical-to-infrared spectroscopic survey. SDSS-V is mapping the s…

astro-ph.SR2025

Discovery of two new polars evolved past the period bounce

Tim Cunningham, Ilaria Caiazzo, Gracjan Sienkiewicz +13

We report the discovery of two new magnetic cataclysmic variables with brown dwarf companions and long orbital periods ( and min). This discovery incr…

astro-ph.SR2024★ 1 cited

Expansion properties of the young supernova type Iax remnant Pa 30 revealed

Tim Cunningham, Ilaria Caiazzo, Nikolaus Z. Prusinski +14

The recently discovered Pa 30 nebula, the putative type Iax supernova remnant associated with the historical supernova of 1181 AD, shows puzzling characteristics that make it uniqu…

astro-ph.IM2023★ 1 cited

The life cycle of stars and their planets from the high energy perspective

Lia Corrales, Keivan G. Stassun, Tim Cunningham +19

One of the key research themes identified by the Astro2020 decadal survey is Worlds and Suns in Context. The Advanced X-ray Imaging Satellite (AXIS) is a proposed NASA APEX mission…