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Works (23)

The third known triple white dwarf: The close double white dwarf SDSS J125733.63+542850.5 hosts a white dwarf tertiary

Astronomy & Astrophysics
2025-01 | Journal article
Contributors: Camila Aros-Bunster; Matthias R. Schreiber; Odette Toloza; Mercedes S. Hernandez; Diogo Belloni; Kareem El-Badry; Zach Vanderbosch; Felipe Lagos-Vilches; Boris T. Gänsicke; Detlev Koester
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Constraints on Remnant Planetary Systems as a Function of Main-sequence Mass with HST/COS

The Astrophysical Journal
2024-12-01 | Journal article
Contributors: Lou Baya Ould Rouis; J. J. Hermes; Boris T. Gänsicke; Snehalata Sahu; Detlev Koester; P.-E. Tremblay; Dimitri Veras; Jay Farihi; Tyler M. Heintz; Nicola Pietro Gentile Fusillo et al.
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The DESI Early Data Release white dwarf catalogue

Monthly Notices of the Royal Astronomical Society
2024-10-25 | Journal article
Contributors: Christopher J Manser; Paula Izquierdo; Boris T Gänsicke; Andrew Swan; Detlev Koester; Akshay Robert; Siyi Xu; Keith Inight; Ben Amroota; N P Gentile Fusillo et al.
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The white dwarf binary pathways survey – X. Gaia orbits for known UV excess binaries

Monthly Notices of the Royal Astronomical Society
2024-03-23 | Journal article
Contributors: J A Garbutt; S G Parsons; O Toloza; B T Gänsicke; M S Hernandez; D Koester; F Lagos; R Raddi; A Rebassa-Mansergas; J J Ren et al.
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The 40 pc sample of white dwarfs from Gaia

Monthly Notices of the Royal Astronomical Society
2023-11-27 | Journal article
Contributors: Mairi W O’Brien; P-E Tremblay; B L Klein; D Koester; C Melis; A Bédard; E Cukanovaite; T Cunningham; A E Doyle; B T Gänsicke et al.
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WD 0141−675: a case study on how to follow-up astrometric planet candidates around white dwarfs

Monthly Notices of the Royal Astronomical Society
2023-10-28 | Journal article
Contributors: Laura K Rogers; John Debes; Richard J Anslow; Amy Bonsor; S L Casewell; Leonardo A Dos Santos; Patrick Dufour; Boris T. Gänsicke; Nicola Gentile Fusillo; Detlev Koester et al.
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An HST COS ultraviolet spectroscopic survey of 311 DA white dwarfs – I. Fundamental parameters and comparative studies

Monthly Notices of the Royal Astronomical Society
2023-10-20 | Journal article
Contributors: Snehalata Sahu; Boris T Gänsicke; Pier-Emmanuel Tremblay; Detlev Koester; J J Hermes; David J Wilson; Odette Toloza; Matthew J Hoskin; Jay Farihi; Christopher J Manser et al.
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Planetesimals at DZ stars – I. Chondritic compositions and a massive accretion event

Monthly Notices of the Royal Astronomical Society
2023-10-10 | Journal article
Contributors: Andrew Swan; Jay Farihi; Carl Melis; Patrick Dufour; Steven J Desch; Detlev Koester; Jincheng Guo
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Erratum: “Testing White Dwarf Age Estimates Using Wide Double White Dwarf Binaries from Gaia EDR3” (2022, ApJ, 934, 148)

The Astrophysical Journal
2023-07-01 | Journal article
Contributors: Tyler M. Heintz; J. J. Hermes; Kareem El-Badry; Charlie Walsh; Jennifer L. van Saders; C. E. Fields; Detlev Koester
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A hidden population of white dwarfs with atmospheric carbon traces in the Gaia bifurcation

Astronomy & Astrophysics
2023-06 | Journal article
Contributors: Maria Camisassa; Santiago Torres; Mark Hollands; Detlev Koester; Roberto Raddi; Leandro G. Althaus; Alberto Rebassa-Mansergas
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The C/N ratio from FUV spectroscopy as a constraint on evolution of the dwarf nova HS 0218 + 3229

Monthly Notices of the Royal Astronomical Society
2023-05-23 | Journal article
Contributors: Odette Toloza; Boris T Gänsicke; Laura M Guzmán-Rincón; Tom R Marsh; Paula Szkody; Matthias R Schreiber; Domitilla de Martino; Monica Zorotovic; Kareem El-Badry; Detlev Koester et al.
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Systematic uncertainties in the characterization of helium-dominated metal-polluted white dwarf atmospheres

Monthly Notices of the Royal Astronomical Society
2023-02-07 | Journal article
Contributors: Paula Izquierdo; Boris T Gänsicke; Pablo Rodríguez-Gil; Detlev Koester; Odette Toloza; Nicola P Gentile Fusillo; Anna F Pala; Pier-Emmanuel Tremblay
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Asynchronous accretion can mimic diverse white dwarf pollutants II: water content

Monthly Notices of the Royal Astronomical Society
2022-12-30 | Journal article
Contributors: Marc G Brouwers; Andrew M Buchan; Amy Bonsor; Uri Malamud; Elliot Lynch; Laura Rogers; Detlev Koester
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Unusual Abundances from Planetary System Material Polluting the White Dwarf G238-44

The Astrophysical Journal
2022-12-01 | Journal article
Contributors: Ted M Johnson; Beth L. Klein; D. Koester; Carl Melis; B. Zuckerman; M. Jura
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Gaia white dwarfs within 40 pc – III. Spectroscopic observations of new candidates in the Southern hemisphere

Monthly Notices of the Royal Astronomical Society
2022-11-29 | Journal article
Contributors: Mairi W O’Brien; P-E Tremblay; N P Gentile Fusillo; M A Hollands; B T Gänsicke; D Koester; I Pelisoli; E Cukanovaite; T Cunningham; A E Doyle et al.
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The White Dwarf Binary Pathways Survey - IX. Three long period white dwarf plus subgiant binaries

2022-11-16 | Other
Contributors: Steven Parsons; Odette Toloza; Roberto Raddi; Matthias Schreiber; Detlev Koester; Felipe Lagos Vilches; Alberto Rebassa-Mansergas; Boris Gaensicke; Mercedes Hernandez; Monica Zorotovic et al.
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Spectral analysis of ultra-cool white dwarfs polluted by planetary debris

Monthly Notices of the Royal Astronomical Society
2022-11-05 | Journal article
Contributors: Abbigail K Elms; Pier-Emmanuel Tremblay; Boris T Gänsicke; Detlev Koester; Mark A Hollands; Nicola Pietro Gentile Fusillo; Tim Cunningham; Kevin Apps
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Testing White Dwarf Age Estimates Using Wide Double White Dwarf Binaries from Gaia EDR3

The Astrophysical Journal
2022-08-01 | Journal article
Contributors: Tyler M. Heintz; J. J. Hermes; Kareem El-Badry; Charlie Walsh; Jennifer L. van Saders; C. E. Fields; Detlev Koester
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The evolution of ultra-massive carbon–oxygen white dwarfs

Monthly Notices of the Royal Astronomical Society
2022-03-04 | Journal article
Contributors: María E Camisassa; Leandro G Althaus; Detlev Koester; Santiago Torres; Pilar Gil Pons; Alejandro H Córsico
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Kinematic properties of white dwarfs

Astronomy & Astrophysics
2022-02 | Journal article
Contributors: Roberto Raddi; Santiago Torres; Alberto Rebassa-Mansergas; Jesús Maldonado; María E. Camisassa; Detlev Koester; Nicola Pietro Gentile Fusillo; Pier-Emmanuel Tremblay; Markus Dimpel; Ulrich Heber et al.
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Spectral analysis of cool white dwarfs accreting from planetary systems: from the ultraviolet to the optical

Monthly Notices of the Royal Astronomical Society
2022-02-01 | Journal article
Contributors: M A Hollands; P-E Tremblay; B T Gänsicke; D Koester
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Planets or asteroids? A geochemical method to constrain the masses of White Dwarf pollutants

Monthly Notices of the Royal Astronomical Society
2022-01-11 | Journal article
Contributors: Andrew M Buchan; Amy Bonsor; Oliver Shorttle; Jon Wade; John Harrison; Lena Noack; Detlev Koester
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A planetesimal orbiting within the debris disc around a white dwarf star

Science
2019-04-05 | Journal article
Contributors: Christopher J. Manser; Boris T. Gänsicke; Siegfried Eggl; Mark Hollands; Paula Izquierdo; Detlev Koester; John D. Landstreet; Wladimir Lyra; Thomas R. Marsh; Farzana Meru et al.
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