An eclipsing 47 min double white dwarf binary at 400 pc

James Munday; P. E. Tremblay; J. J. Hermes; Brad Barlow; Ingrid Pelisoli; T. R. Marsh; Steven G. Parsons; David Jones; S. O. Kepler; Alex Brown; S. P. Littlefair; R. Hegedus; Andrzej Baran; Elme; Breedt; V. S. Dhillon; Martin J. Dyer; Matthew J. Green; Mark R. Kennedy; Paul Kerry; Isaac D. Lopez; Alejandra D. Romero; Dave Sahman; Hannah L. Worters

doi:10.1093/mnras/stad2347

An eclipsing 47 min double white dwarf binary at 400 pc

James Munday
, P. E. Tremblay
, J. J. Hermes
, Brad Barlow
, Ingrid Pelisoli
, T. R. Marsh
, Steven G. Parsons
, David Jones
, S. O. Kepler
, Alex Brown
, S. P. Littlefair
, R. Hegedus
, Andrzej Baran
, Elme; Breedt
, V. S. Dhillon
, Martin J. Dyer
, Matthew J. Green
, Mark R. Kennedy
, Paul Kerry
, Isaac D. Lopez

Alejandra D. Romero, Dave Sahman, Hannah L. Worters

School of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

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 Exoplanet Survey Satellite, we obtained time series ground based spectroscopy and high-speed multiband ULTRACAM photometry which indicate a primary DA WD of mass and a mass secondary WD, which is likely of type DA as well. The system becomes the third-closest eclipsing double WD binary discovered with a distance of approximately 400 pc and will be a detectable source for upcoming gravitational wave detectors in the mHz frequency range. Its orbital decay will be measurable photometrically within 10 yr to a precision of better than 1 per cent. The fate of the binary is to merge in approximately 41 Myr, likely forming a single, more massive WD.

Original language	English
Pages (from-to)	1814-1823
Number of pages	10
Journal	Monthly Notices of the Royal Astronomical Society
Volume	525
Issue number	2
DOIs	https://doi.org/10.1093/mnras/stad2347
Publication status	Published - 1 Oct 2023

Keywords

binaries: close
gravitational waves
stars: individual: WDJ 022558.21-692025.38
white dwarfs

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10.1093/mnras/stad2347

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Munday, J., Tremblay, P. E., Hermes, J. J., Barlow, B., Pelisoli, I., Marsh, T. R., Parsons, S. G., Jones, D., Kepler, S. O., Brown, A., Littlefair, S. P., Hegedus, R., Baran, A., Breedt, E., Dhillon, V. S., Dyer, M. J., Green, M. J., Kennedy, M. R., Kerry, P., ... Worters, H. L. (2023). An eclipsing 47 min double white dwarf binary at 400 pc. Monthly Notices of the Royal Astronomical Society, 525(2), 1814-1823. https://doi.org/10.1093/mnras/stad2347

@article{98049cf064f243fc9023290d467600fc,

title = "An eclipsing 47 min double white dwarf binary at 400 pc",

abstract = "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 Exoplanet Survey Satellite, we obtained time series ground based spectroscopy and high-speed multiband ULTRACAM photometry which indicate a primary DA WD of mass and a mass secondary WD, which is likely of type DA as well. The system becomes the third-closest eclipsing double WD binary discovered with a distance of approximately 400 pc and will be a detectable source for upcoming gravitational wave detectors in the mHz frequency range. Its orbital decay will be measurable photometrically within 10 yr to a precision of better than 1 per cent. The fate of the binary is to merge in approximately 41 Myr, likely forming a single, more massive WD.",

keywords = "binaries: close, gravitational waves, stars: individual: WDJ 022558.21-692025.38, white dwarfs",

author = "James Munday and Tremblay, \{P. E.\} and Hermes, \{J. J.\} and Brad Barlow and Ingrid Pelisoli and Marsh, \{T. R.\} and Parsons, \{Steven G.\} and David Jones and Kepler, \{S. O.\} and Alex Brown and Littlefair, \{S. P.\} and R. Hegedus and Andrzej Baran and Elme; Breedt and Dhillon, \{V. S.\} and Dyer, \{Martin J.\} and Green, \{Matthew J.\} and Kennedy, \{Mark R.\} and Paul Kerry and Lopez, \{Isaac D.\} and Romero, \{Alejandra D.\} and Dave Sahman and Worters, \{Hannah L.\}",

note = "Publisher Copyright: {\textcopyright} The Author(s) 2023.",

year = "2023",

month = oct,

day = "1",

doi = "10.1093/mnras/stad2347",

language = "English",

volume = "525",

pages = "1814--1823",

journal = "Monthly Notices of the Royal Astronomical Society",

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publisher = "Oxford University Press",

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Munday, J, Tremblay, PE, Hermes, JJ, Barlow, B, Pelisoli, I, Marsh, TR, Parsons, SG, Jones, D, Kepler, SO, Brown, A, Littlefair, SP, Hegedus, R, Baran, A, Breedt, E, Dhillon, VS, Dyer, MJ, Green, MJ, Kennedy, MR, Kerry, P, Lopez, ID, Romero, AD, Sahman, D & Worters, HL 2023, 'An eclipsing 47 min double white dwarf binary at 400 pc', Monthly Notices of the Royal Astronomical Society, vol. 525, no. 2, pp. 1814-1823. https://doi.org/10.1093/mnras/stad2347

TY - JOUR

T1 - An eclipsing 47 min double white dwarf binary at 400 pc

AU - Munday, James

AU - Tremblay, P. E.

AU - Hermes, J. J.

AU - Barlow, Brad

AU - Pelisoli, Ingrid

AU - Marsh, T. R.

AU - Parsons, Steven G.

AU - Jones, David

AU - Kepler, S. O.

AU - Brown, Alex

AU - Littlefair, S. P.

AU - Hegedus, R.

AU - Baran, Andrzej

AU - Breedt, Elme;

AU - Dhillon, V. S.

AU - Dyer, Martin J.

AU - Green, Matthew J.

AU - Kennedy, Mark R.

AU - Kerry, Paul

AU - Lopez, Isaac D.

AU - Romero, Alejandra D.

AU - Sahman, Dave

AU - Worters, Hannah L.

PY - 2023/10/1

Y1 - 2023/10/1

N2 - 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 Exoplanet Survey Satellite, we obtained time series ground based spectroscopy and high-speed multiband ULTRACAM photometry which indicate a primary DA WD of mass and a mass secondary WD, which is likely of type DA as well. The system becomes the third-closest eclipsing double WD binary discovered with a distance of approximately 400 pc and will be a detectable source for upcoming gravitational wave detectors in the mHz frequency range. Its orbital decay will be measurable photometrically within 10 yr to a precision of better than 1 per cent. The fate of the binary is to merge in approximately 41 Myr, likely forming a single, more massive WD.

AB - 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 Exoplanet Survey Satellite, we obtained time series ground based spectroscopy and high-speed multiband ULTRACAM photometry which indicate a primary DA WD of mass and a mass secondary WD, which is likely of type DA as well. The system becomes the third-closest eclipsing double WD binary discovered with a distance of approximately 400 pc and will be a detectable source for upcoming gravitational wave detectors in the mHz frequency range. Its orbital decay will be measurable photometrically within 10 yr to a precision of better than 1 per cent. The fate of the binary is to merge in approximately 41 Myr, likely forming a single, more massive WD.

KW - binaries: close

KW - gravitational waves

KW - stars: individual: WDJ 022558.21-692025.38

KW - white dwarfs

UR - https://www.scopus.com/pages/publications/85169933177

U2 - 10.1093/mnras/stad2347

DO - 10.1093/mnras/stad2347

M3 - Article

AN - SCOPUS:85169933177

SN - 0035-8711

VL - 525

SP - 1814

EP - 1823

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

IS - 2

ER -

An eclipsing 47 min double white dwarf binary at 400 pc

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Keywords

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