Search Results - "Totani, T"

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    Lethal radiation from nearby supernovae helps explain the small cosmological constant by Totani, T.

    Published in Astronomische Nachrichten (01-01-2019)
    “…The observed value Λobs of the cosmological constant Λ is extremely smaller than theoretical expectations, and the anthropic argument has been proposed as a…”
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    Supernovae in the Subaru Deep Field: the rate and delay-time distribution of Type Ia supernovae out to redshift 2 by Graur, O., Poznanski, D., Maoz, D., Yasuda, N., Totani, T., Fukugita, M., Filippenko, A. V., Foley, R. J., Silverman, J. M., Gal-Yam, A., Horesh, A., Jannuzi, B. T.

    “…The Type Ia supernova (SN Ia) rate, when compared to the cosmic star formation history (SFH), can be used to derive the delay-time distribution (DTD; the…”
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    GLOBAL STRUCTURE OF ISOTHERMAL DIFFUSE X-RAY EMISSION ALONG THE FERMI BUBBLES by Kataoka, J., Tahara, M., Totani, T., Sofue, Y., Inoue, Y., Nakashima, S., Cheung, C. C.

    Published in The Astrophysical journal (01-07-2015)
    “…ABSTRACT In our previous works, we found absorbed thermal X-ray plasma with kT 0.3 keV observed ubiquitously near the edges of the Fermi bubbles and…”
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    SUZAKU OBSERVATIONS OF THE DIFFUSE X-RAY EMISSION ACROSS THE FERMI BUBBLES' EDGES by Kataoka, J, Tahara, M, Totani, T, SOFUE, Y, Stawarz, L, Takahashi, Y, Takeuchi, Y, Tsunemi, H, Kimura, M, Takei, Y, Cheung, C C, Inoue, Y, Nakamori, T

    Published in The Astrophysical journal (10-12-2013)
    “…We present Suzaku X-ray observations along two edge regions of the Fermi Bubbles, with eight [Asymptotically = to] 20 ks pointings across the northern part of…”
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    Nonthermal afterglow of the binary neutron star merger GW170817: A more natural modeling of electron energy distribution leads to a qualitatively different new solution by Lin, H., Totani, T., Kiuchi, K.

    Published in Astronomische Nachrichten (01-01-2019)
    “…Observed properties of the nonthermal afterglow emission of GW170817 from radio to X‐ray are consistent with synchrotron radiation by electrons accelerated in…”
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    Galactic Centre hypershell model for the North Polar Spurs by Sofue, Y., Habe, A., Kataoka, J., Totani, T., Inoue, Y., Nakashima, S., Matsui, H., Akita, M.

    “…The bipolar-hypershell (BHS) model for the North Polar Spurs (NPS-E, -W, and Loop I) and counter southern spurs (SPS-E and -W) is revisited based on numerical…”
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    SUZAKU X-RAY OBSERVATIONS OF THE FERMI BUBBLES: NORTHERNMOST CAP AND SOUTHEAST CLAW DISCOVERED WITH MAXI-SSC by Tahara, M., Kataoka, J., Takeuchi, Y., Totani, T., Sofue, Y., Hiraga, J. S., Tsunemi, H., Inoue, Y., Kimura, M., Cheung, C. C., Nakashima, S.

    Published in The Astrophysical journal (01-04-2015)
    “…ABSTRACT We report on Suzaku observations of large-scale X-ray structures possibly related to the Fermi Bubbles obtained in 2013 with a total duration of 80…”
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    An optical spectrum of the afterglow of a γ-ray burst at a redshift of z = 6.295 by Watanabe, J, Yatsu, Y, Kobayashi, N, Sekiguchi, K, Yoshida, A, Suzuki, M, Tamagawa, T, Yamada, T, Kawabata, K. S, Kosugi, G, Ohta, K, Komiyama, Y, Ogasawara, R, Iye, M, Shirasaki, Y, Totani, T, Aoki, W, Hurley, K, Noumaru, J, Nomoto, K, Furusawa, H, Takata, T, Mizumoto, Y, Sato, R, Hattori, T, Terada, H, Kawai, N, Aoki, K

    Published in Nature (09-03-2006)
    “…The prompt γ-ray emission from γ-ray bursts (GRBs) should be detectable out to distances of z > 10 (ref. 1), and should therefore provide an excellent probe of…”
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    Detectability of the supernova relic neutrinos and neutrino oscillation by Ando, S., Sato, K., Totani, T.

    Published in Astroparticle physics (2003)
    “…We investigate the flux and the event rate of the supernova relic neutrino (SRN) background at the SuperKamiokande (SK) detector for various neutrino…”
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    Supernovae in the Subaru Deep Field: an initial sample and Type Ia rate out to redshift 1.6 by Poznanski, D., Maoz, D., Yasuda, N., Foley, R. J., Doi, M., Filippenko, A. V., Fukugita, M., Gal-Yam, A., Jannuzi, B. T., Morokuma, T., Oda, T., Schweiker, H., Sharon, K., Silverman, J. M., Totani, T.

    “…Large samples of high-redshift supernovae (SNe) are potentially powerful probes of cosmic star formation, metal enrichment and SN physics. We present initial…”
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    TOWARD IDENTIFYING THE UNASSOCIATED GAMMA-RAY SOURCE 1FGL J1311.7-3429 WITH X-RAY AND OPTICAL OBSERVATIONS by Kataoka, J, Yatsu, Y, Kawai, N, Urata, Y, Cheung, C C, Takahashi, Y, Maeda, K, Totani, T, Makiya, R, HANAYAMA, H, Miyaji, T, Tsai, A

    Published in The Astrophysical journal (01-10-2012)
    “…We present deep optical and X-ray follow-up observations of the bright unassociated Fermi-LAT gamma-ray source 1FGL J1311.7-3429. The source was already known…”
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    Galaxy luminosity function and its cosmological evolution: testing a new feedback model depending on galaxy-scale dust opacity by Makiya, R., Totani, T., Kobayashi, M. A. R., Nagashima, M., Takeuchi, T. T.

    “…We present a new version of a semi-analytic model of cosmological galaxy formation, incorporating a star formation law with a feedback depending on the…”
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    SUZAKU X-RAY FOLLOW-UP OBSERVATIONS OF SEVEN UNASSOCIATED FERMI-LAT GAMMA-RAY SOURCES AT HIGH GALACTIC LATITUDES by TAKAHASHI, Y, KATAOKA, J, COGNARD, I, NAKAMORI, T, MAEDA, K, MAKIYA, R, TOTANI, T, CHEUNG, C. C, STAWARZ, L, GUILLEMOT, L, FREIRE, P. C. C

    Published in The Astrophysical journal (01-03-2012)
    “…We report on our second-year campaign of X-ray follow-up observations of unidentified Fermi Large Area Telescope (LAT) gamma -ray sources at high Galactic…”
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    Unraveling the Nature of Unidentified High Galactic Latitude Fermi/LAT Gamma-Ray Sources With Suzaku by Maeda, K, Kataoka, J, Nakamori, T, Stawarz, Ł, Makiya, R, Totani, T, Cheung, C. C, Donato, D, Gehrels, N, Saz Parkinson, P, Kanai, Y, Kawai, N, Tanaka, Y, Sato, R, Takahashi, T, Takahashi, Y

    Published in The Astrophysical journal (10-03-2011)
    “…Here we report on the results of deep X-ray follow-up observations of four unidentified Delta *g-ray sources detected by the Fermi/LAT instrument at high…”
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