Mukhopadhyay, Himan, Tagoshi, Hideyuki, Dhurandhar, Sanjeev, Kanda, Nobuyuki
We compare two strategies of multi-detector detection of compact binary inspiral signals, namely, the coincidence and the coherent for the realistic case of geographically separated detectors.We...
Ando, Masaki, Kawamura, Seiji, Sato, Shuichi, Nakamura, Takashi, Tsubono, Kimio, Araya, Akito, ...
DECIGO pathfinder (DPF) is a milestone satellite mission for DECIGO (DECi-hertz Interferometer Gravitational wave Observatory), which is a future space gravitational wave antenna. DECIGO is expected...
Fujita, Ryuichi, Hikida, Wataru, Tagoshi, Hideyuki
We develop a numerical code to compute gravitational waves induced by a particle moving on eccentric inclined orbits around a Kerr black hole. For such systems, the black hole perturbation method is...
Fujita, Ryuichi, Tagoshi, Hideyuki
We investigate the solution of the continued fraction equation by which we determine "the renormalized angular momentum parameter", $\nu$, in the formalism developed by Leaver and Mano, Suzuki, and...
Broeck, Chris Van Den, Brown, Duncan A., Cokelaer, Thomas, Harry, Ian, Jones, Gareth, Sathyaprakash, B. S., ...
Gravitational waves from coalescing compact binaries are one of the most promising sources for detectors such as LIGO, Virgo and GEO600. If the components of the binary posess significant angular...
Ando, Masaki, Kawamura, Seiji, Nakamura, Takashi, Tsubono, Kimio, Tanaka, Takahiro, Funaki, Ikkoh, ...
DECIGO pathfinder (DPF) is a milestone satellite mission for DECIGO (DECi-hertz Interferometer Gravitational wave Observatory) which is a future space gravitational wave antenna. DECIGO is expected...
The Japanese space gravitational wave antenna; DECIGO (2008)
Kawamura, Seiji, Ando, Masaki, Nakamura, Takashi, Tsubono, Kimio, Tanaka, Takahiro, Funaki, Ikkoh, ...
DECi-hertz Interferometer Gravitational wave Observatory (DECIGO) is the future Japanese space gravitational wave antenna. DECIGO is expected to open a new window of observation for gravitational...
Search for continuous gravitational waves from PSR J0835-4510 using CLIO data (2008)
Akutsu, Tomomi, Ando, Masaki, Haruyama, Tomiyoshi, Kanda, Nobuyuki, Kuroda, Kazuaki, Miyoki, Shinji, ...
We search for continuous gravitational waves from PSR J0835-4510 at twice its rotational frequency using CLIO (Cryogenic Laser Interferometric Observatory) in the Kamioka mine. In this search, we use...
Ando, M., Kawamura, Seiji, Nakamura, T., Tsubono, K., Tanaka, T., Funaki, I., ...
DECIGO pathfinder (DPF) is a milestone satellite mission for DECIGO (DECi-hertz Interferometer Gravitational wave Observatory) which is a future space gravitational wave antenna. DECIGO is expected...
The Japanese space gravitational wave antenna: DECIGO (2008)
Kawamura, Seiji, Ando, M., Nakamura, T., Tsubono, K., Tanaka, T., Funaki, I., ...
DECi-hertz Interferometer Gravitational wave Observatory (DECIGO) is the future Japanese space gravitational wave antenna. DECIGO is expected to open a new window of observation for gravitational...
The Japanese space gravitational wave antenna - DECIGO (2008)
Kawamura, Seiji, Ando, M., Nakamura, T., Tsubono, K., Tanaka, T., Funaki, I., ...
DECi-hertz Interferometer Gravitational wave Observatory (DECIGO) is the future Japanese space gravitational wave antenna. The goal of DECIGO is to detect gravitational waves from various kinds of...
Magnification Probability Distribution Functions of Standard Candles in a Clumpy Universe (2007)
Yoo, Chul-Moon, Ishihara, Hideki, Nakao, Ken-ichi, Tagoshi, Hideyuki
Lensing effects on light rays from point light sources, such like Type Ia supernovae, are simulated in a clumpy universe model. In our universe model, it is assumed that all matter in the universe...
Tagoshi, Hideyuki, Mukhopadhyay, Himan, Dhurandhar, Sanjeev, Sago, Norichika, Takahashi, Hirotaka, Kanda, Nobuyuki
We discuss the coherent search strategy to detect gravitational waves from inspiraling compact binaries by a network of correlated laser interferometric detectors. From the maximum likelihood ratio...
Mukhopadhyay, Himan, Sago, Norichica, Tagoshi, Hideyuki, Dhurandhar, Sanjeev, Takahashi, Hirotaka, Kanda, Nobuyuki
We compare two strategies of multi-detector detection of compact binary inspiral signals, namely, the coincidence and the coherent. For simplicity we consider here two identical detectors having the...
Akutsu, Tomomi, Akutsu, Tomotadu, Ando, Masaki, Arai, Koji, Araya, Akito, Asada, H., ...
We analyze the data of the TAMA300 detector to search for gravitational waves from inspiraling compact star binaries with masses of the component stars in the range 1M[sun]–3M[sun]. In this...
The Japanese space gravitational wave antenna - DECIGO (2006)
Kawamura, Seiji, Nakamura, T., Ando, M., Seto, N., Tsubono, K., Numata, K., ...
DECi-hertz Interferometer Gravitational wave Observatory (DECIGO) is the future Japanese space gravitational wave antenna. It aims at detecting various kinds of gravitational waves between 1 mHz and...
Mukhopadhyay, Himan, Sago, N., Tagoshi, Hideyuki, Dhurandhar, Sanjeev, Takahashi, H., Kanda, Nobuyuki
We compare two strategies of multidetector detection of compact binary inspiral signals, namely, the coincidence and the coherent. For simplicity we consider here two identical detectors having the...
Buonanno, Alessandra, Chen, Yanbei, Pan, Yi, Tagoshi, Hideyuki, Vallisneri, Michele
Detection template families (DTFs) are built to capture the essential features of true gravitational waveforms using a small set of phenomenological waveform parameters. Buonanno, Chen, and...
Buonanno, Alessandra, Chen, Yanbei, Pan, Yi, Tagoshi, Hideyuki, Vallisneri, Michele
Detection template families (DTFs) are built to capture the essential features of true gravitational waveforms using a small set of phenomenological waveform parameters. Buonanno, Chen, and...
Buonanno,Alessandra, Chen,Yanbei, Pan,Yi, Tagoshi,Hideyuki, Vallisneri,Michele
Detection template families (DTFs) are built to capture the essential features of true gravitational waveforms using a small set of phenomenological waveform parameters. Buonanno, Chen, and...
Buonanno, Alessandra, Chen, Yanbei, Pan, Yi, Tagoshi, Hideyuki, Vallisneri, Michele
Detection template families (DTFs) are built to capture the essential features of true gravitational waveforms using a small set of phenomenological waveform parameters. Buonanno, Chen, and...
Plans for the LIGO-TAMA Joint Search for Gravitational Wave Bursts (2004)
Sutton, Patrick J., Ando, Masaki, Brady, Patrick, Cadonati, Laura, Di Credico, Alessandra, Fairhurst, Stephen, ...
We describe the plans for a joint search for unmodelled gravitational wave bursts being carried out by the LIGO and TAMA collaborations using data collected during February-April 2003. We take a...
Ando, Masaki, Arai, Koji, Aso, Youichi, Beyersdorf, Peter, Hayama, Kazuhiro, Iida, Yukiyoshi, ...
We present data-analysis schemes and results of observations with the TAMA300 gravitational-wave detector, targeting burst signals from stellar-core collapse events. In analyses for burst...
Tsunesada, Yoshiki, Kanda, Nobuyuki, Nakano, Hiroyuki, Tatsumi, Daisuke, Ando, Masaki, Sasaki, Misao, ...
Gravitational radiation from a slightly distorted black hole with ringdown waveform is well understood in general relativity. It provides a probe for direct observation of black holes and...
New Numerical Methods to Evaluate Homogeneous Solutions of the Teukolsky Equation (2004)
Fujita, Ryuichi, Tagoshi, Hideyuki
We discuss a numerical method to compute the homogeneous solutions of the Teukolsky equation which is the basic equation of the black hole perturbation method. We use the formalism developed by Mano,...
Coincidence analysis to search for inspiraling compact binaries using TAMA300 and LISM data (2004)
Takahashi, Hirotaka, Tagoshi, Hideyuki
Japanese laser interferometric gravitational wave detectors, TAMA300 and LISM, performed a coincident observation during 2001. We perform a coincidence analysis to search for inspiraling compact...
An Improved Search Method for Gravitational Ringing of Black Holes (2004)
Nakano, Hiroyuki, Takahashi, Hirotaka, Tagoshi, Hideyuki, Sasaki, Misao
A black hole has characteristic quasi-normal modes that will be excited when it is formed or when the geometry is perturbed. The state of a black hole when the quasi-normal modes are excited is...
Analytic Black Hole Perturbation Approach to Gravitational Radiation (2003)
Misao Sasaki, Hideyuki Tagoshi
We review the analytic methods used to perform the post-Newtonian expansion of gravitational waves induced by a particle orbiting a massive, compact body, based on black hole perturbation theory....
Takahashi, Hirotaka, Tagoshi, Hideyuki, Collaboration, The TAMA
We present the preliminary results of the analysis to search for inspiraling compact binaries using TAMA300 DT8 data which was taken during 2003. We compare the quality and the stability of the data...
Coincidence analysis to search for inspiraling compact binaries (2003)
Takahashi, Hirotaka, Tagoshi, Hideyuki, Collaboration, The TAMA, Collaboration, The LISM
We discuss a method of coincidence analysis to search for gravitational waves from inspiraling compact binaries using the data of two laser interferometer gravitational wave detectors. We examine the...
Analytic black hole perturbation approach to gravitational radiation (2003)
Sasaki, Misao, Tagoshi, Hideyuki
We review analytic methods to perform the post-Newtonian expansion of gravitational waves induced by a particle orbiting a massive compact body, based on the black hole perturbation theory. There...
An Effective Search Method for Gravitational Ringing of Black Holes (2003)
Nakano, Hiroyuki, Takahashi, Hirotaka, Tagoshi, Hideyuki, Sasaki, Misao
We develop a search method for gravitational ringing of black holes. The gravitational ringing is due to complex frequency modes called the quasi-normal modes that are excited when a black hole...
Tagoshi,Hideyuki, Ohashi,Akira, Owen,Benjamin J.
We derive spin-orbit coupling effects on the gravitational field and equations of motion of compact binaries in the 2.5 post-Newtonian approximation to general relativity, one PN order beyond when...
Tagoshi, Hideyuki, Ohashi, Akira, Owen, Benjamin J.
We derive spin-orbit coupling effects on the gravitational field and equations of motion of compact binaries in the 2.5 post-Newtonian approximation to general relativity, one PN order beyond when...
The First Search for Gravitational Waves from Inspiraling Compact Binaries using TAMA300 data (2000)
Tagoshi, Hideyuki, Kanda, Nobuyuki, Tanaka, Takahiro, Tatsumi, Daisuke, Telada, Souichi
We analyzed 6 hours of data from the TAMA300 detector by matched filtering, searching for gravitational waves from inspiraling compact binaries. We incorporated a two-step hierarchical search...
Tagoshi, Hideyuki, Ohashi, Akira, Owen, Benjamin J.
We derive spin-orbit coupling effects on the gravitational field and equations of motion of compact binaries in the 2.5 post-Newtonian approximation to general relativity, one PN order beyond where...
Tanaka, Takahiro, Tagoshi, Hideyuki
We discuss a method to analyze data from interferometric gravitational wave detectors focusing on the technique of hierarchical search to detect gravitational waves from inspiraling binaries. For...
Otsuki, Kaori, Tagoshi, Hideyuki, Kajino, Toshitaka, Wanajo, Shin-ya
Neutrino-driven wind from young hot neutron star, which is formed by supernova explosion, is the most promising candidate site for r-process nucleosynthesis. We study general relativistic effects on...
Owen, Benjamin J., Tagoshi, Hideyuki, Ohashi, Akira
We derive all second post-Newtonian (2PN), non-precessional effects of spin-orbit coupling on the gravitational waveforms emitted by an inspiraling binary composed of spinning, compact bodies in a...
Black Hole Perturbation (1997)
Mino, Yasushi, Sasaki, Misao, Shibata, Masaru, Tagoshi, Hideyuki, Tanaka, Takahiro
We present analytic calculations of gravitational waves from a particle orbiting a black hole. We first review the Teukolsky formalism for dealing with the gravitational perturbation of a black hole....
Tagoshi, Hideyuki, Mano, Shuhei, Takasugi, Eiichi
When a particle moves around a Kerr black hole, it radiates gravitational waves.Some of these waves are absorbed by the black hole. We calculate such absorption of gravitational waves induced by a...
Owen, Benjamin J., Tagoshi, Hideyuki, Ohashi, Akira
We derive all second post-Newtonian (2PN), non-precessional effects of spin- orbit coupling on the gravitational wave forms emitted by an inspiraling binary composed of spinning, compact bodies in a...
Tagoshi, Hideyuki, Shibata, Masaru, Tanaka, Takahiro, Sasaki, Misao
Extending a method developed by Sasaki in the Schwarzschild case and by Shibata, Sasaki, Tagoshi, and Tanaka in the Kerr case, we calculate the post-Newtonian expansion of the gravitational wave...
Shibata, Masaru, Sasaki, Misao, Tagoshi, Hideyuki, Tanaka, Takahiro
Using the Teukolsky and Sasaki-Nakamura equations for the gravitational perturbation of the Kerr spacetime, we calculate the post-Newtonian expansion of the energy and angular momentum luminosities...
Tagoshi, Hideyuki, Sasaki, Misao
Based upon the formalism recently developed by one of us (MS), we analytically perform the post-Newtonian expansion of gravitational waves from a test particle in circular orbit of radius $r_0$...