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ZTF J1901+5309: A 40.6-Minute Orbital Period Eclipsing Double White Dwarf System | Michael W. Coughlin
; Kevin Burdge
; E. Sterl Phinney
; Jan van Roestel
; Eric C. Bellm
; Richard G. Dekany
; Alexandre Delacroix
; Dmitry A. Duev
; Michael Feeney
; Matthew J. Graham
; S. R. Kulkarni
; Thomas Kupfer
; Russ R. Laher
; Frank J. Masci
; Thomas A. Prince
; Reed Riddle
; Philippe Rosnet
; Roger Smith
; Eugene Serabyn
; Richard Walters
; | Date: |
1 Apr 2020 | Abstract: | The Zwicky Transient Facility has begun to discover binary systems with
orbital periods that are less than 1,hr. Combined with dedicated follow-up
systems, which allow for high-cadence photometry of these sources, systematic
confirmation and characterization of these sources are now possible. Here, we
report the discovery of ZTF J190125.42+530929.5, a 40.6,min orbital period,
eclipsing double white-dwarf binary. Both photometric and spectroscopic
modeling confirm its nature, yielding an estimated inclination of $i =
86.2^{+0.6}_{-0.2},
m degrees$ and primary and secondary effective
temperatures of $ extrm{T}_ extrm{eff} = 28,000^{+500}_{-500},K$ and
$ extrm{T}_ extrm{eff} = 17,600^{+400}_{-400},K$ respectively. This system
adds to a growing list of sources for future gravitational-wave detectors and
contributes to the demographic analysis of double degenerates. | Source: | arXiv, 2004.0456 | Services: | Forum | Review | PDF | Favorites |
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