[0802.3411] Detecting Planets around Compact Binaries with Gravitational Wave Detectors in Space

Authors: Naoki Seto

Date: 22 Feb 2008

Abstract: I propose a method to detect planets around compact binaries that are strong sources of gravitational radiation. This approach is to measure gravitational-wave phase modulations induced by the planets, and its prospect is studied with a Fisher matrix analysis. I find that, using the Laser Interferometer Space Antenna (LISA), planets can be searched for around ~3000 Galactic double white dwarfs with detection limit ~4 M_J (M_J~ 2x10ˆ{30}g: the Jupiter mass). With its follow-on missions, planets with mass ~1 M_J might be detected around double neutron stars even at cosmological distances z~1. In this manner, gravitational wave observation has potential to make interesting contributions to extra-solar planetary science.

abs pdf

Mar 04, 2008

0802.3411 (/preprints)
2008-03-04, 12:33 [edit]


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