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Near-infrared spectroscopy of Cepheids in the Galactic nuclear disk

Published online by Cambridge University Press:  06 January 2014

Noriyuki Matsunaga ,
Kei Fukue ,
Naoto Kobayashi ,
Yuji Ikeda ,
Ryo Yamamoto ,
Shiori Kyu ,
Satoshi Hamano ,
Chikako Yasui ,
Takuji Tsujimoto  and
Wako Aoki
...Show all authors
Noriyuki Matsunaga
Affiliation:
Dept. Astronomy, The Univ. Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan
Kei Fukue
Affiliation:
Dept. Astronomy, The Univ. Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan
Naoto Kobayashi
Affiliation:
Institute of Astronomy, The Univ. Tokyo, 2-21-1 Osawa, Mitaka, Tokyo 181-0015, Japan
Yuji Ikeda
Affiliation:
Dept. Physics, Kyoto Sangyo Univ., Kamo-Motoyama, Kita, Kyoto 603-8555, Japan
Ryo Yamamoto
Affiliation:
Institute of Astronomy, The Univ. Tokyo, 2-21-1 Osawa, Mitaka, Tokyo 181-0015, Japan
Shiori Kyu
Affiliation:
Institute of Astronomy, The Univ. Tokyo, 2-21-1 Osawa, Mitaka, Tokyo 181-0015, Japan
Satoshi Hamano
Affiliation:
Institute of Astronomy, The Univ. Tokyo, 2-21-1 Osawa, Mitaka, Tokyo 181-0015, Japan
Chikako Yasui
Affiliation:
Dept. Astronomy, The Univ. Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-0033, Japan
Takuji Tsujimoto
Affiliation:
National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan
Wako Aoki
Affiliation:
National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan
Shogo Nishiyama
Affiliation:
National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan
Tetsuya Nagata
Affiliation:
Dept. Astronomy, Kyoto Univ., Kitashirakawa-Oiwake-cho, Sakyo, Kyoto 606-8502, Japan
Katia Genovali
Affiliation:
Dept. Physics, Univ. Roma Tor Vergata, Via della Ricerca Scientifica 1, 00133 Rome, Italy
Laura Inno
Affiliation:
Dept. Physics, Univ. Roma Tor Vergata, Via della Ricerca Scientifica 1, 00133 Rome, Italy
Giuseppe Bono
Affiliation:
Dept. Physics, Univ. Roma Tor Vergata, Via della Ricerca Scientifica 1, 00133 Rome, Italy
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Abstract

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We are carrying out near-infrared spectroscopy of Cepheids in the Galactic nuclear disk. The H-band spectra taken with SUBARU/IRCS indicate that their kinematics are consistent with the rotation of the nuclear disk.

Keywords

stars: variables: CepheidsGalaxy: bulgeinfrared: stars
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S298: Setting the scene for Gaia and LAMOST , May 2013 , pp. 429
Copyright
Copyright © International Astronomical Union 2014 

References

Matsunaga, N., et al. 2011, Nature, 477, 188CrossRefGoogle Scholar