Prospects for detecting exoplanets around double white dwarfs with LISA and Taiji
arXiv:2108.01357 · doi:10.3847/1538-3881/ac23d8
Abstract
Recently, Tamanini & Danielski (2019) discussed the possibility to detect circumbinary exoplanets (CBPs) orbiting double white dwarfs (DWDs) with the Laser Interferometer Space Antenna (LISA). Extending their methods and criteria, we discuss the prospects for detecting exoplanets around DWDs not only by LISA, but also by Taiji, a Chinese space-borne gravitational-wave (GW) mission which has a slightly better sensitivity at low frequencies. We first explore how different binary masses and mass ratios affect the abilities of LISA and Taiji to detect CBPs. Second, for certain known detached DWDs with high signal-to-noise ratios, we quantify the possibility of CBP detections around them. Third, based on the DWD population obtained from the Mock LISA Data Challenge, we present basic assessments of the CBP detections in our Galaxy during a 4-year mission time for LISA and Taiji. We discuss the constraints on the detectable zone of each system, as well as the distributions of the inner/outer edge of the detectable zone. Based on the DWD population, we further inject two different planet distributions with an occurrence rate of and constrain the total detection rates. We finally briefly discuss the prospects for detecting habitable CBPs around DWDs with a simplified model. These results can provide helpful inputs for upcoming exoplanetary projects and help analyze planetary systems after the common envelope phase.
arXiv comment14 pages, 7 figures, 3 tables; accepted by AJ
References in corpus (61)
- Observation of Gravitational Waves from a Binary Black Hole Merger
- GW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral
- A Survey of Stellar Families: Multiplicity of Solar-Type Stars
- Stellar Multiplicity
- Long-Term Stability of Planets in Binary Systems
- The construction and use of LISA sensitivity curves
- Angular Resolution of the LISA Gravitational Wave Detector
- Habitable planets around the star Gl 581?
- Science with the space-based interferometer eLISA. I: Supermassive black hole binaries
- The gravitational wave signal from the Galactic disk population of binaries containing two compact objects
- Are There Unstable Planetary Systems Around White Dwarfs?
- The frequency of planetary debris around young white dwarfs
- Evolutionary and pulsational properties of white dwarf stars
- Estimating spinning binary parameters and testing alternative theories of gravity with LISA
- COSMIC Variance in Binary Population Synthesis
- Circumstellar Debris and Pollution at White Dwarf Stars
- How to Characterize Habitable Worlds and Signs of Life
- Prospects for detection of detached double white dwarf binaries with Gaia, LSST and LISA
- The Great Escape: How Exoplanets and Smaller Bodies Desert Dying Stars
- Predicting the LISA white dwarf binary population in the Milky Way with cosmological simulations
- Two planets orbiting the recently formed post-common envelope binary NN Serpentis
- The LISA-Taiji network
- General relativistic orbital decay in a seven-minute-orbital-period eclipsing binary system
- Science with the TianQin Observatory: Preliminary results on Galactic double white dwarf binaries
- The Mock LISA Data Challenges: from Challenge 3 to Challenge 4
- Six White Dwarfs with Circumstellar Silicates
- Unstable low-mass planetary systems as drivers of white dwarf pollution
- Transit surveys for Earths in the habitable zones of white dwarfs
- The ELM Survey. VIII. 98 Double White Dwarf Binaries
- Origin of apparent period variations in eclipsing post-common-envelope binaries
- Predicting the binary black hole population of the Milky Way with cosmological simulations
- Habitable Planets Around White and Brown Dwarfs: The Perils of a Cooling Primary
- The Mock LISA Data Challenges: from Challenge 1B to Challenge 3
- The giant planet orbiting the cataclysmic binary DP Leonis
- The physical properties of AM CVn stars: new insights from Gaia DR2
- Parameter estimation for Galactic binaries by LISA
- LISA data analysis: Source identification and subtraction
- Detection limits for close eclipsing and transiting sub-stellar and planetary companions to white dwarfs in the WASP survey
- The gravitational wave signal from diverse populations of double white dwarf binaries in the Galaxy
- Science with the TianQin observatory: Preliminary results on testing the no-hair theorem with ringdown signals
- Populations of double white dwarfs in Milky Way satellites and their detectability with LISA
- Coplanar Circumbinary Debris Disks
- White Dwarf Pollution by Asteroids from Secular Resonances
- The Great Escape II: Exoplanet Ejection from Dying Multiple Star Systems
- Second generation planet formation in NN Serpentis?
- Planet formation from the ejecta of common envelopes
- Deposition of steeply infalling debris around white dwarf stars
- Assembly of Protoplanetary Disks and Inclinations of Circumbinary Planets
- Detectability of double white dwarfs in the Local Group with LISA
- Dust Production and Depletion in Evolved Planetary Systems
- Listening to the gravitational wave sound of circumbinary exoplanets
- Milky Way Satellites Shining Bright in Gravitational Waves
- Disks and Planets Around Massive White Dwarfs
- The habitability and detection of Earth-like planets orbiting cool white dwarfs
- The role of planetary formation and evolution in shaping the composition of exoplanetary atmospheres
- Is Life Most Likely Around Sun-like Stars?
- Observing gravitational wave polarizations with LISA-TAIJI network
- Circumbinary exoplanets and brown dwarfs with the Laser Interferometer Space Antenna
- Detecting Planets around Compact Binaries with Gravitational Wave Detectors in Space
- On the possibility of detecting ultra-short period exoplanets with LISA
- Will Gravitational Waves Discover the First Extra-Galactic Planetary System?