25 research outputs found

    The Far-Infrared Surveyor (FIS) for AKARI

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    The Far-Infrared Surveyor (FIS) is one of two focal plane instruments on the AKARI satellite. FIS has four photometric bands at 65, 90, 140, and 160 um, and uses two kinds of array detectors. The FIS arrays and optics are designed to sweep the sky with high spatial resolution and redundancy. The actual scan width is more than eight arcmin, and the pixel pitch is matches the diffraction limit of the telescope. Derived point spread functions (PSFs) from observations of asteroids are similar to the optical model. Significant excesses, however, are clearly seen around tails of the PSFs, whose contributions are about 30% of the total power. All FIS functions are operating well in orbit, and its performance meets the laboratory characterizations, except for the two longer wavelength bands, which are not performing as well as characterized. Furthermore, the FIS has a spectroscopic capability using a Fourier transform spectrometer (FTS). Because the FTS takes advantage of the optics and detectors of the photometer, it can simultaneously make a spectral map. This paper summarizes the in-flight technical and operational performance of the FIS.Comment: 23 pages, 10 figures, and 2 tables. Accepted for publication in the AKARI special issue of the Publications of the Astronomical Society of Japa

    Figure 3 in Distinct parasitoid communities associated with host races of the leaf-mining moth Acrocercops transecta on distantly related host plants (Juglandaceae and Ericaceae)

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    Figure 3. Lateral view of female Aneurobracon philippinensis.Published as part of Ohshima, Issei, Watanabe, Kyohei & Kawamura, Tomohiro, 2014, Distinct parasitoid communities associated with host races of the leaf-mining moth Acrocercops transecta on distantly related host plants (Juglandaceae and Ericaceae), pp. 815-828 in Journal of Natural History 49 (13) on page 820, DOI: 10.1080/00222933.2014.953613, http://zenodo.org/record/400394

    Figure 4 in Distinct parasitoid communities associated with host races of the leaf-mining moth Acrocercops transecta on distantly related host plants (Juglandaceae and Ericaceae)

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    Figure 4. Modes of parasitism of parasitoids attacking Acrocercops transecta. (A) An ovipositing female of Aneurobracon philippinensis. Before finding host larvae, females track host mines by drumming with their antennae; (B) a final instar of A. transecta that is making a cocoon; (C) a dissected cocoon of A. transecta. A prepupa of A. transecta (upper side) is fed upon by a larva of An. philippinensis (under side); (D) a pupa of An. philippinensis in the cocoon made by A. transecta; (E) a pupa of Choeras sp. in the cocoon made by A. transecta; (F) a final instar of A. transecta parasitized by Pholetesor sp. A hole is visible on the right side of the second abdominal segment from which a Pholetesor sp. larva exits the host; (G) a cocoon of Pholetesor sp. formed inside its host's mine; (H) a Eulophidae larva feeding inside its host's body; (I) a Eulophidae pupa formed inside its host's mine.Published as part of Ohshima, Issei, Watanabe, Kyohei & Kawamura, Tomohiro, 2014, Distinct parasitoid communities associated with host races of the leaf-mining moth Acrocercops transecta on distantly related host plants (Juglandaceae and Ericaceae), pp. 815-828 in Journal of Natural History 49 (13) on page 822, DOI: 10.1080/00222933.2014.953613, http://zenodo.org/record/400394

    Figure 1 in Distinct parasitoid communities associated with host races of the leaf-mining moth Acrocercops transecta on distantly related host plants (Juglandaceae and Ericaceae)

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    Figure 1. Leaf mines of Acrocercops transecta. (A) Three mines of the Juglandaceae race on a leaflet of Juglans mandshurica; (B) a mine of the Lyonia race on Lyonia ovalifolia.Published as part of Ohshima, Issei, Watanabe, Kyohei & Kawamura, Tomohiro, 2014, Distinct parasitoid communities associated with host races of the leaf-mining moth Acrocercops transecta on distantly related host plants (Juglandaceae and Ericaceae), pp. 815-828 in Journal of Natural History 49 (13) on page 816, DOI: 10.1080/00222933.2014.953613, http://zenodo.org/record/400394
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