63 citations · 140 across the 9 of their papers we have counts for
9 papers · 1 filter
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…
Spectroscopic Characterization of WD J000801.25-350450 and its Two Co-Moving Companions
Peter A. Jałowiczor, Thomas P. Bickle, J. Davy Kirkpatrick +18
We present new spectroscopic data for Gaia DR3 2309499817384726016 (WD0008-350A) and its two wide, co-moving, low-mass companions. We confirm the white dwarf is a hydrogen-rich DA,…
Gaia white dwarfs with infrared excess I. The 100 pc catalogue
R. Murillo-Ojeda, F. M. Jiménez-Esteban, A. Rebassa-Mansergas +1
The presence of infrared excess flux observed in white dwarfs (WDs) is related to the existence of debris disks or substellar companions. These systems provide important clues in t…
A magnitude-limited catalogue of unresolved white dwarf-main sequence binaries from Gaia DR3
Alberto Rebassa-Mansergas, Enrique Solano, Alex J. Brown +6
Binary stars containing a white dwarf and a main-sequence star, WDMS binaries, can be used to study a wide range of aspects of stellar astrophysics. We build a magnitude-limited sa…
Two almost planetary mass survivors of common envelope evolution
S. G. Parsons, A. J. Brown, S. L. Casewell +19
White dwarfs are often found in close binaries with stellar or even substellar companions. It is generally thought that these compact binaries form via common envelope evolution, t…
Photometric segregation of dwarf and giant FGK stars using the SVO Filter Profile Service and photometric tools
Carlos Rodrigo, Patricia Cruz, John F. Aguilar +18
This paper is focused on the segregation of FGK dwarf and giant stars through narrow-band photometric data using the Spanish Virtual Observatory (SVO) Filter Profile Service and as…
PHL 5038AB: Is the brown dwarf causing pollution of its white dwarf host star?
S. L. Casewell, J. Debes, T. J. Dupuy +9
We present new results on PHL 5038AB, a widely separated binary system composed of a white dwarf and a brown dwarf, refining the white and brown dwarf parameters and determining th…
White dwarf spectral type-temperature distribution from Gaia-DR3 and the Virtual Observatory
S. Torres, P. Cruz, R. Murillo-Ojeda +6
The characterization of white dwarf atmospheres is crucial for accurately deriving stellar parameters such as effective temperature, mass, and age. We aim to classify the populatio…
Spectral classification of the 100 pc white dwarf population from Gaia-DR3 and the Virtual Observatory
F. M. Jiménez-Esteban, S. Torres, A. Rebassa-Mansergas +5
The third data release of Gaia has provided low resolution spectra for ~100,000 white dwarfs (WDs) that, together with the excellent photometry and astrometry, represent an unrival…