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Title:
The First Light of the Subaru Telescope: A New Infrared Image of the Orion Nebula
Authors:
Kaifu, Norio; Usuda, Tomonori; Hayashi, Saeko S.; Itoh, Yoichi; Akiyama, Masayuki; Yamashita, Takuya; Nakajima, Yasushi; Tamura, Motohide; Inutsuka, Shuichiro; Hayashi, Masahiko; Maihara, Toshinori; Iwamuro, Fumihide; Motohara, Kentaro; Iwai, Jun'ich; Tanabe, Hirohisa; Taguchi, Tomoyuki; Hata, Ryuji; Terada, Hiroshi; Goto, Miwa; Ando, Hiroyasu; Aoki, Tetsuo; Chikada, Yoshihiro; Doi, Mamoru; Ebizuka, Noboru; Fukuda, Takeo; Hamabe, Masaru; Hasegawa, Tetsuo; Horaguchi, Toshihiro; Ichikawa, Shinichi; Ichikawa, Takashi; Imanishi, Masatoshi; Imi, Katsumi; Inata, Motoko; Isobe, Shuzo; Iye, Masanori; Kamata, Yukiko; Kanzawa, Tomio; Karoji, Hiroshi; Kashikawa, Nobunari; Kataza, Hirokazu; Kato, Taichi; Kobayashi, Naoto; Kobayashi, Yukiyasu; Kodaira, Keiichi; Kosugi, George; Kurakami, Tomio; Mikami, Yoshitaka; Miyama, Shoken M.; Miyashita, Akihiko; Miyata, Takashi; Miyazaki, Satoshi; Mizumoto, Yoshihiko; Nakagiri, Masao; Nakajima, Koich; Nakamura, Kyoko; Nariai, Kyoji; Nishihara, Eiji; Nishikawa, Jun; Nishimura, Shiro; Nishimura, Tetsuo; Nishino, Tetsuo; Noguchi, Kunio; Noguchi, Takeshi; Noumaru, Junichi; Ogasawara, Ryusuke; Okada, Norio; Okita, Kiichi; Omata, Koji; Oshima, Norio; Otsubo, Masashi; Sasaki, Goro; Sasaki, Toshiyuki; Sekiguchi, Maki; Sekiguchi, Kazuhiro; Shelton, Ian; Simpson, Chris; Suto, Hiroshi; Takami, Hideki; Takata, Tadafumi; Takato, Naruhisa; Tanaka, Kyoko; Tanaka, Wataru; Tomono, Daigo; Torii, Yasuo; Waseda, Koichi; Watanabe, Junichi; Watanabe, Masaru; Yagi, Masafumi; Yamashita, Yasumasa; Yasuda, Naoki; Yoshida, Michitoshi; Yoshida, Shigeomi; Yutani, Masami
Affiliation:
AA(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), AB(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), AC(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), AD(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), AE(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA; Department of Astronomy, Kyoto University, Sakyo-ku, Kyoto 606-8502), AF(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), AG(Department of Physics, Nagoya University, Chikusa-ku, Nagoya 464-8602), AH(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588), AI(Division of Theoretical Astrophysics, National Astronomical Observatory, Mitaka, Tokyo 181-8588), AJ(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), AK(Department of Astronomy, Kyoto University, Sakyo-ku, Kyoto 606-8502; Department of Physics, Kyoto University, Sakyo-ku, Kyoto 606-8502), AL(Department of Astronomy, Kyoto University, Sakyo-ku, Kyoto 606-8502; Department of Physics, Kyoto University, Sakyo-ku, Kyoto 606-8502), AM(Department of Astronomy, Kyoto University, Sakyo-ku, Kyoto 606-8502; Department of Physics, Kyoto University, Sakyo-ku, Kyoto 606-8502), AN(Department of Astronomy, Kyoto University, Sakyo-ku, Kyoto 606-8502; Department of Physics, Kyoto University, Sakyo-ku, Kyoto 606-8502), AO(Department of Astronomy, Kyoto University, Sakyo-ku, Kyoto 606-8502; Department of Physics, Kyoto University, Sakyo-ku, Kyoto 606-8502), AP(Department of Astronomy, Kyoto University, Sakyo-ku, Kyoto 606-8502; Department of Physics, Kyoto University, Sakyo-ku, Kyoto 606-8502), AQ(Department of Astronomy, Kyoto University, Sakyo-ku, Kyoto 606-8502; Department of Physics, Kyoto University, Sakyo-ku, Kyoto 606-8502), AR(Department of Astronomy, Kyoto University, Sakyo-ku, Kyoto 606-8502; Department of Physics, Kyoto University, Sakyo-ku, Kyoto 606-8502), AS(Department of Physics, Kyoto University, Sakyo-ku, Kyoto 606-8502), AT(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588), AU(Communications Research Laboratory, Koganei, Tokyo 184-8975), AV(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588), AW(Department of Astronomy, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033), AX(Communications Research Laboratory, Koganei, Tokyo 184-8975), AY(Advanced Technology Center, National Astronomical Observatory, Mitaka, Tokyo 181-8588), AZ(Advanced Technology Center, National Astronomical Observatory, Mitaka, Tokyo 181-8588), BA(Institute of Astronomy, The Univeristy of Tokyo, Mitaka, Tokyo 181-8588), BB(National Science Museum, Taito-ku, Tokyo 110-8718), BC(Astronomical Data Analysis Center, National Astronomical Observatory, Mitaka, Tokyo 181-8588), BD(Astronomical Institute, Tohoku University, Aoba-ku, Sendai, Miyagi 980-8578), BE(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588), BF(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), BG(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), BH(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), BI(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588), BJ(Advanced Technology Center, National Astronomical Observatory, Mitaka, Tokyo 181-8588), BK(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), BL(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), BM(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588), BN(Department of Astronomy, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033), BO(Department of Astronomy, Kyoto University, Sakyo-ku, Kyoto 606-8502), BP(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), BQ(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588), BR(National Astronomical Observatory, Mitaka, Tokyo 181-8588), BS(National Astronomical Observatory, Mitaka, Tokyo 181-8588), BT(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), BU(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588), BV(Division of Theoretical Astrophysics, National Astronomical Observatory, Mitaka, Tokyo 181-8588), BW(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), BX(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588), BY(Advanced Technology Center, National Astronomical Observatory, Mitaka, Tokyo 181-8588), BZ(Advanced Technology Center, National Astronomical Observatory, Mitaka, Tokyo 181-8588), CA(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588), CB(Hitotsubashi University, Kunitachi, Tokyo 186-8601), CC(Advanced Technology Center, National Astronomical Observatory, Mitaka, Tokyo 181-8588), CD(National Astronomical Observatory, Mitaka, Tokyo 181-8588), CE(Astronomical Data Analysis Center, National Astronomical Observatory, Mitaka, Tokyo 181-8588), CF(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588), CG(National Astronomical Observatory, Mitaka, Tokyo 181-8588), CH(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), CI(Advanced Technology Center, National Astronomical Observatory, Mitaka, Tokyo 181-8588), CJ(Advanced Technology Center, National Astronomical Observatory, Mitaka, Tokyo 181-8588), CK(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588), CL(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588), CM(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), CN(Advanced Technology Center, National Astronomical Observatory, Mitaka, Tokyo 181-8588), CO(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588), CP(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), CQ(Advanced Technology Center, National Astronomical Observatory, Mitaka, Tokyo 181-8588), CR(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), CS(Advanced Technology Center, National Astronomical Observatory, Mitaka, Tokyo 181-8588), CT(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), CU(Cosmic Ray Research Laboratory, The University of Tokyo, Tanashi, Tokyo 188-8502), CV(Cosmic Ray Research Laboratory, The University of Tokyo, Tanashi, Tokyo 188-8502), CW(Cosmic Ray Research Laboratory, The University of Tokyo, Tanashi, Tokyo 188-8502), CX(Cosmic Ray Research Laboratory, The University of Tokyo, Tanashi, Tokyo 188-8502), CY(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), CZ(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588), DA(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), DB(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), DC(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), DD(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588), DE(Subaru Telescope, National Astronomical Observatory of Japan, 650 North Aohoku Place, Hilo, HI 96720, USA), DF(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588), DG(Advanced Technology Center, National Astronomical Observatory, Mitaka, Tokyo 181-8588), DH(Public Relations Center, National Astronomical Observatory, Mitaka, Tokyo 181-8588), DI(Astronomical Data Analysis Center, National Astronomical Observatory, Mitaka, Tokyo 181-8588), DJ(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588), DK(National Astronomical Observatory, Mitaka, Tokyo 181-8588), DL(National Astronomical Observatory, Mitaka, Tokyo 181-8588), DM(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588), DN(Kiso Observatory, The University of Tokyo, Mitake, Nagano 397-0101), DO(Division of Optical and Infrared Astronomy, National Astronomical Observatory, Mitaka, Tokyo 181-8588)
Publication:
Publ. of the Astronomical Society of Japan, v.52, p.1. (PASJ Homepage)
Publication Date:
02/2000
Origin:
PASJ
PASJ Keywords:
ISM: INDIVIDUAL (ORION NEBULA), STARS: LUMINOSITY FUNCTION, MASS FUNCTION, TELESCOPES
Bibliographic Code:
2000PASJ...52....1K

Abstract

This paper describes the first light and subsequent test observations with the 8.2 m aperture Subaru Telescope constructed at the summit of Mauna Kea. Following the engineering first light, which started 1998 December, the astronomical first light and test observations were carried out in 1999 January with 4 testing instruments under seeing conditions of 0.''2-0.''5 for near-infrared and 0.''3-0.6 for optical wavelengths. The actively supported primary mirror was shown to achieve an overall imaging performance of 0.''1 (FWHM) or better in the absence of any atmospheric disturbance. The pointing accuracy of the telescope is about 1'' rms, and a closed-loop tracking accuracy of <~ 0.''07 rms has been achieved. Infrared images of the Orion Nebula covering {5'}times {5'}, obtained with J, K', and H_2 v=1-0 S(1) filters, have revealed much finer and fainter details of the BN/KL region, the bright bar, and other conspicuous features compared with previous observations. K' band photometry of 516 point sources yielded a luminosity function with a peak at K' ~ 12 mag with a long tail in K' ~ 13 mag down to K' ~ 17 mag, suggesting a fairly large number of young brown dwarfs existing in the Trapezium cluster. Several new features around the Orion BN/KL region are also reported.

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