The Library
An eclipsing 47 min double white dwarf binary at 400 pc
Tools
(2023) An eclipsing 47 min double white dwarf binary at 400 pc. Monthly Notices of the Royal Astronomical Society, 525 (2). pp. 1814-1823. doi:10.1093/mnras/stad2347 ISSN 0035-8711.
|
PDF
WRAP-An-eclipsing-47-min-double-white-dwarf-binary-at-400-pc-23.pdf - Accepted Version - Requires a PDF viewer. Download (2073Kb) | Preview |
Official URL: http://doi.org/10.1093/mnras/stad2347
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 0.40±0.04M⊙
and a 0.28±0.02M⊙
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.
Item Type: | Journal Article | ||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
||||||||||||||||||||||||||||||||||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||||||||||||||||||||||||||||||||||
Library of Congress Subject Headings (LCSH): | Double stars , Eclipsing binaries, White dwarf stars , Gravitational waves | ||||||||||||||||||||||||||||||||||||||||||
Journal or Publication Title: | Monthly Notices of the Royal Astronomical Society | ||||||||||||||||||||||||||||||||||||||||||
Publisher: | Wiley | ||||||||||||||||||||||||||||||||||||||||||
ISSN: | 0035-8711 | ||||||||||||||||||||||||||||||||||||||||||
Official Date: | October 2023 | ||||||||||||||||||||||||||||||||||||||||||
Dates: |
|
||||||||||||||||||||||||||||||||||||||||||
Volume: | 525 | ||||||||||||||||||||||||||||||||||||||||||
Number: | 2 | ||||||||||||||||||||||||||||||||||||||||||
Page Range: | pp. 1814-1823 | ||||||||||||||||||||||||||||||||||||||||||
DOI: | 10.1093/mnras/stad2347 | ||||||||||||||||||||||||||||||||||||||||||
Status: | Peer Reviewed | ||||||||||||||||||||||||||||||||||||||||||
Publication Status: | Published | ||||||||||||||||||||||||||||||||||||||||||
Re-use Statement: | This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society © 2023 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved. | ||||||||||||||||||||||||||||||||||||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||||||||||||||||||||||||||||||||||||
Copyright Holders: | © 2023 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society | ||||||||||||||||||||||||||||||||||||||||||
Date of first compliant deposit: | 14 November 2023 | ||||||||||||||||||||||||||||||||||||||||||
Date of first compliant Open Access: | 14 November 2023 | ||||||||||||||||||||||||||||||||||||||||||
RIOXX Funder/Project Grant: |
|
Request changes or add full text files to a record
Repository staff actions (login required)
View Item |
Downloads
Downloads per month over past year