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OISTER optical and ...
OISTER optical and near-infrared monitoring observations of peculiar radio-loud active galactic nucleus SDSSJ110006.07+442144.3
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Morokuma, Tomoki (author)
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Tanaka, Masaomi (author)
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Tanaka, Yasuyuki T. (author)
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Itoh, Ryosuke (author)
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Tominaga, Nozomu (author)
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Gandhi, Poshak (author)
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Pian, Elena (author)
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Mazzali, Paolo (author)
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Ohta, Kouji (author)
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Matsumoto, Emiko (author)
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Shibata, Takumi (author)
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Akimoto, Hinako (author)
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Akitaya, Hiroshi (author)
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Ali, Gamal B. (author)
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Aoki, Tsutomu (author)
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Doi, Mamoru (author)
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Ebisuda, Nana (author)
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Essam, Ahmed (author)
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Fujisawa, Kenta (author)
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Fukushima, Hideo (author)
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Goda, Shuhei (author)
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Gouda, Yuya (author)
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Hanayama, Hidekazu (author)
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Hashiba, Yasuhito (author)
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Hashimoto, Osamu (author)
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Hayashida, Kenzo (author)
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Hiratsuka, Yuichiro (author)
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Honda, Satoshi (author)
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Imai, Masataka (author)
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Inoue, Kanichiro (author)
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Ishibashi, Michiko (author)
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Iwata, Ikuru (author)
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Izumiura, Hideyuki (author)
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Kanda, Yuka (author)
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Kawabata, Miho (author)
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Kawaguchi, Kenji (author)
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Kawai, Nobuyuki (author)
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Kokubo, Mitsuru (author)
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Kuroda, Daisuke (author)
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Maehara, Hiroyuki (author)
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Mito, Hiroyuki (author)
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Mitsuda, Kazuma (author)
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Miyagawa, Ryota (author)
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Miyaji, Takeshi (author)
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Miyamoto, Yusuke (author)
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Morihana, Kumiko (author)
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Moritani, Yuki (author)
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Morokuma-Matsui, Kana (author)
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Murakami, Kotone (author)
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Murata, Katsuhiro L. (author)
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Nagayama, Takahiro (author)
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Nakamura, Kazuki (author)
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Nakaoka, Tatsuya (author)
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Niinuma, Kotaro (author)
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Nishimori, Takafumi (author)
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Nogami, Daisaku (author)
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Oasa, Yumiko (author)
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Oda, Tatsunori (author)
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Ohshima, Tomohito (author)
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Saito, Yoshihiko (author)
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Sakata, Shuichiro (author)
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Sako, Shigeyuki (author)
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Sarugaku, Yuki (author)
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Sawada-Satoh, Satoko (author)
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Seino, Genta (author)
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Sorai, Kazuo (author)
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Soyano, Takao (author)
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- Taddia, Francesco (author)
- Stockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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Takahashi, Jun (author)
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Takagi, Yuhei (author)
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Takaki, Katsutoshi (author)
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Takata, Koji (author)
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Tarusawa, Ken'ichi (author)
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Uemura, Makoto (author)
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Ui, Takahiro (author)
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Urago, Riku (author)
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Ushioda, Kazutoshi (author)
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Watanabe, Jun-ichi (author)
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Watanabe, Makoto (author)
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Yamashita, Satoshi (author)
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Yanagisawa, Kenshi (author)
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Yonekura, Yoshinori (author)
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Yoshida, Michitoshi (author)
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(creator_code:org_t)
- 2017-09-01
- 2017
- English.
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In: Nippon Tenmon Gakkai obun kenkyu hokoku. - : Oxford University Press (OUP). - 0004-6264. ; 69:5
- Related links:
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https://academic.oup...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
Close
- We present monitoring campaign observations at optical and near-infrared (NIR) wavelengths for a radio-loud active galactic nucleus (AGN) at z = 0.840, SDSSJ110006.07+442144.3 (hereafter, J1100+4421), which was identified during a flare phase in late 2014 February. The campaigns consist of three intensive observing runs from the discovery to 2015 March, mostly within the scheme of the OISTER collaboration. Optical-NIR light curves and simultaneous spectral energy distributions (SEDs) are obtained. Our measurements show the strongest brightening in 2015 March. We found that the optical-NIR SEDs of J1100+4421 show an almost steady shape despite the large and rapid intranight variability. This constant SED shape is confirmed to extend to similar to 5 mu m in the observed frame using the archival WISE data. Given the lack of absorption lines and the steep power-law spectrum of alpha(upsilon) similar to -1.4, where f(v) proportional to v(alpha upsilon), synchrotron radiation by a relativistic jet with no or small contributions from the host galaxy and the accretion disk seemsmost plausible as an optical-NIR emission mechanism. The steep optical-NIR spectral shape and the large amplitude of variability are consistent with this object being a low.peak jet-dominated AGN. In addition, sub-arcsecond resolution optical imaging data taken with Subaru Hyper Suprime-Cam does not show a clear extended component and the spatial scales are significantly smaller than the large extensions detected at radio wavelengths. The optical spectrum of a possible faint companion galaxy does not show any emission lines at the same redshift, and hence a merging hypothesis for this AGN-related activity is not supported by our observations.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- accretion
- accretion disks
- quasars: individual (SDSS J110006.07+442144.3)
- quasars: supermassive black holes
- relativistic processes
Publication and Content Type
- ref (subject category)
- art (subject category)
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To the university's database
- By the author/editor
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Morokuma, Tomoki
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Tanaka, Masaomi
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Tanaka, Yasuyuki ...
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Itoh, Ryosuke
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Tominaga, Nozomu
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Gandhi, Poshak
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show more...
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Pian, Elena
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Mazzali, Paolo
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Ohta, Kouji
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Matsumoto, Emiko
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Shibata, Takumi
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Akimoto, Hinako
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Akitaya, Hiroshi
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Ali, Gamal B.
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Aoki, Tsutomu
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Doi, Mamoru
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Ebisuda, Nana
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Essam, Ahmed
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Fujisawa, Kenta
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Fukushima, Hideo
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Goda, Shuhei
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Gouda, Yuya
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Hanayama, Hideka ...
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Hashiba, Yasuhit ...
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Hashimoto, Osamu
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Hayashida, Kenzo
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Hiratsuka, Yuich ...
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Honda, Satoshi
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Imai, Masataka
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Inoue, Kanichiro
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Ishibashi, Michi ...
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Iwata, Ikuru
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Izumiura, Hideyu ...
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Kanda, Yuka
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Kawabata, Miho
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Kawaguchi, Kenji
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Kawai, Nobuyuki
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Kokubo, Mitsuru
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Kuroda, Daisuke
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Maehara, Hiroyuk ...
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Mito, Hiroyuki
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Mitsuda, Kazuma
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Miyagawa, Ryota
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Miyaji, Takeshi
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Miyamoto, Yusuke
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Morihana, Kumiko
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Moritani, Yuki
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Morokuma-Matsui, ...
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Murakami, Kotone
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Murata, Katsuhir ...
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Nagayama, Takahi ...
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Nakamura, Kazuki
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Nakaoka, Tatsuya
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Niinuma, Kotaro
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Nishimori, Takaf ...
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Nogami, Daisaku
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Oasa, Yumiko
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Oda, Tatsunori
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Ohshima, Tomohit ...
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Saito, Yoshihiko
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Sakata, Shuichir ...
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Sako, Shigeyuki
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Sarugaku, Yuki
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Sawada-Satoh, Sa ...
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Seino, Genta
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Sorai, Kazuo
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Soyano, Takao
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Taddia, Francesc ...
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Takahashi, Jun
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Takagi, Yuhei
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Takaki, Katsutos ...
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Takata, Koji
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Tarusawa, Ken'ic ...
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Uemura, Makoto
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Ui, Takahiro
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Urago, Riku
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Ushioda, Kazutos ...
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Watanabe, Jun-ic ...
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Watanabe, Makoto
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Yamashita, Satos ...
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Yanagisawa, Kens ...
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Yonekura, Yoshin ...
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Yoshida, Michito ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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Nippon Tenmon Ga ...
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Stockholm University