Published papers
Number of published data : 85
No. Classification Refereed paper Title Authorship Author Journal Volume/issue/page Publication date ISSN DOI URL
1 Paper
Yes
Exploring the 100 au Scale Structure of the Protobinary System NGC 2264 CMM3 with ALMA

Yoshiki Shibayama, Yoshimasa Watanabe, Yoko Oya, Nami Sakai, Ana López-Sepulcre, Sheng-Yuan Liu, Yu-Nung Su, Yichen Zhang, Takeshi Sakai, Tomoya Hirota, Satoshi Yamamoto
The Astrophysical Journal
918/ 1, id. 32-
2021/09



2 Paper
Yes
Gravity Driven Magnetic Field at ~1000 au Scales in High-mass Star Formation

Patricio Sanhueza, Josep Miquel Girart, Marco Padovani, Daniele Galli, Charles L. H. Hull, Qizhou Zhang, Paulo Cortes, Ian W. Stephens, Manuel Fernandez-Lopez, James M. Jackson, Pau Frau, Patrick M. Kock, Benjamin Wu, Luis A. Zapata, Fernando Olguin, Xing Lu, Andrea Silva, Ya-Wen Tang, Takeshi Sakai, Andres E. Guzman, Ken'ichi Tatematsu, Fumitaka Nakamura, Huei-Ru Vivien Chen
The Astrophysical Journal Letters
915/ 1, id. L10-
2021/07



3 Paper
Yes
The ALMA Survey of 70 μm Dark High-mass Clumps in Early Stages (ASHES). III. A Young Molecular Outflow Driven by a Decelerating Jet
Joint
Daniel Tafoya, Patricio Sanhueza, Qizhou Zhang, Shanghuo Li, Andrés E. Guzmán, Andrea Silva, Eduardo de la Fuente, Xing Lu, Kaho Morii, Ken'ichi Tatematsu, Yanett Contreras, Natsuko Izumi, James M. Jackson, Fumitaka Nakamura, Takeshi Sakai
The Astrophysical Journal
913/ 2, id.131-
2021/06



4 Paper
Yes
Spectrometer Using superconductor MIxer Receiver (SUMIRE) for laboratory submillimeter spectroscopy
Joint
Watanabe, Yoshimasa; Chiba, Yutaro; Sakai, Takeshi; Tamanai, Akemi; Suzuki, Rikako; Sakai, Nami
Publications of the Astronomical Society of Japan
73/ 2, 372-393
2021/04



5 Paper
Yes
The Perseus ALMA Chemistry Survey (PEACHES). I. The Complex Organic Molecules in Perseus Embedded Protostars
Joint
Yang, Yao-Lun; Sakai, Nami; Zhang, Yichen; Murillo, Nadia M.; Zhang, Ziwei E.; Higuchi, Aya E.; Zeng, Shaoshan; López-Sepulcre, Ana; Yamamoto, Satoshi; Lefloch, Bertrand; Bouvier, Mathilde; Ceccarelli, Cecilia; Hirota, Tomoya; Imai, Muneaki; Oya, Yoko; Sakai, Takeshi; Watanabe, Yoshimasa
The Astrophysical Journal
910/ 1, id. 20-
2021/03



6 Paper
Yes
Digging into the Interior of Hot Cores with ALMA (DIHCA). I. Dissecting the High-mass Star-forming Core G335.579-0.292 MM1
Joint
Olguin, Fernando A.; Sanhueza, Patricio; Guzmán, Andrés E.; Lu, Xing; Saigo, Kazuya; Zhang, Qizhou; Silva, Andrea; Chen, Huei-Ru Vivien; Li, Shanghuo; Ohashi, Satoshi; Nakamura, Fumitaka; Sakai, Takeshi; Wu, Benjamin
The Astrophysical Journal
909/ 2, id. 199-
2021/03



7 Paper
Yes
The ALMA Survey of 70 μm Dark High-mass Clumps in Early Stages (ASHES). II. Molecular Outflows in the Extreme Early Stages of Protocluster Formation
Only
Li, Shanghuo; Sanhueza, Patricio; Zhang, Qizhou; Nakamura, Fumitaka; Lu, Xing; Wang, Junzhi; Liu, Tie; Tatematsu, Ken'ichi; Jackson, James M.; Silva, Andrea; Guzmán, Andrés E.; Sakai, Takeshi; Izumi, Natsuko; Tafoya, Daniel; Li, Fei; Contreras, Yanett; Morii, Kaho; Kim, Kee-Tae
The Astrophysical Journal
903/ 2, id. 119-
2020/11



8 Paper
Yes
HCN J = 4-3, HNC J = 1-0, H13CN J = 1-0, and HC3N J = 10-9 Maps of Galactic Center Region. II. Physical Properties of Dense-gas Clumps and Probability of Star Formation
Joint
Tanaka, Kunihiko; Nagai, Makoto; Kamegai, Kazuhisa; Iino, Takahiro; Sakai, Takeshi
The Astrophysical Journal
903/ 2, id. 111-
2020/11



9 Paper
Yes
A new off-point-less observing method for millimeter and submillimeter spectroscopy with a frequency-modulating local oscillator
Joint
Taniguchi, Akio; Tamura, Yoichi; Kohno, Kotaro; Takahashi, Shigeru; Horigome, Osamu; Maekawa, Jun; Sakai, Takeshi; Kuno, Nario; Minamidani, Tetsuhiro
Publications of the Astronomical Society of Japan
72/ 1, id. 2-
2020/02



10 Paper
Yes
The ALMA Survey of 70 μm Dark High-mass Clumps in Early Stages (ASHES). I. Pilot Survey: Clump Fragmentation
Joint
Sanhueza, Patricio; Contreras, Yanett; Wu, Benjamin; Jackson, James M.; Guzmán, Andrés E.; Zhang, Qizhou; Li, Shanghuo; Lu, Xing; Silva, Andrea; Izumi, Natsuko; Liu, Tie; Miura, Rie E.; Tatematsu, Ken’ichi; Sakai, Takeshi; Beuther, Henrik; Garay, Guido; Ohashi, Satoshi; Saito, Masao; Nakamura, Fumitaka; Saigo, Kazuya Veena, V. S.; Nguyen-Luong, Quang; Tafoya, Daniel
The Astrophysical Journal
886/ 2, id. 102-
2019/12



11 Paper
Yes
Sulfur-bearing Species Tracing the Disk/Envelope System in the Class I Protostellar Source Elias 29

Oya, Yoko; López-Sepulcre, Ana; Sakai, Nami; Watanabe, Yoshimasa; Higuchi, Aya E.; Hirota, Tomoya; Aikawa, Yuri; Sakai, Takeshi; Ceccarelli, Cecilia; Lefloch, Bertrand; Caux, Emmanuel; Vastel, Charlotte; Kahane, Claudine; Yamamoto, Satoshi
The Astrophysical Journal
881/ 2, id. 112-
2019/08



12 Paper
Yes
An unbiased spectral line survey observation toward the low-mass star-forming region L1527
Joint
Yoshida, Kento; Sakai, Nami; Nishimura, Yuri; Tokudome, Tomoya; Watanabe, Yoshimasa; Sakai, Takeshi; Takano, Shuro; Yamamoto, Satoshi
Publications of the Astronomical Society of Japan
psy136
2019/01



13 Paper
Yes
Deuterium Fractionation Survey Toward Protostellar Sources in the Perseus Molecular Cloud: HNC Case
Joint
Imai, Muneaki; Sakai, Nami; López-Sepulcre, Ana; Higuchi, Aya E.; Zhang, Yichen; Oya, Yoko; Watanabe, Yoshimasa; Sakai, Takeshi; Ceccarelli, Cecilia; Lefloch, Bertrand; Yamamoto, Satoshi
The Astrophysical Journal
869/ 1, id. 51-
2018/12



14 Paper
Yes
Series-connected array of superconductor-insulator-superconductor junctions in the 100 GHz-band heterodyne mixer for FOREST on the Nobeyama 45 m telescope
Joint
Nakajima, Taku; Inoue, Hirofumi; Fujii, Yumi; Miyazawa, Chieko; Iwashita, Hiroyuki; Sakai, Takeshi; Noguchi, Takashi; Mizuno, Akira
Publications of the Astronomical Society of Japan
psy112
2018/10



15 Paper
Yes
Rotation in the NGC 1333 IRAS 4C Outflow
Joint
Zhang, Yichen; Higuchi, Aya E.; Sakai, Nami; Oya, Yoko; López-Sepulcre, Ana; Imai, Muneaki; Sakai, Takeshi; Watanabe, Yoshimasa; Ceccarelli, Cecilia; Lefloch, Bertrand; Yamamoto, Satoshi
The Astrophysical Journal
864/ 1, id. 76-
2018/09



16 Paper
Yes
Infall Signatures in a Prestellar Core Embedded in the High-mass 70 μm Dark IRDC G331.372-00.116
Joint
Contreras, Yanett; Sanhueza, Patricio; Jackson, James M.; Guzmán, Andrés E.; Longmore, Steven; Garay, Guido; Zhang, Qizhou; Nguyễn-Lu'o'ng, Quang; Tatematsu, Ken'ichi; Nakamura, Fumitaka; Sakai, Takeshi; Ohashi, Satoshi; Liu, Tie; Saito, Masao; Gomez, Laura; Rathborne, Jill; Whitaker, Scott
The Astrophysical Journal
861/ 1, id. 14-
2018/07



17 Paper
Yes
Depletion of 15N in the center of L1544: Early transition from atomic to molecular nitrogen?
Joint
Furuya, K.; Watanabe, Y.; Sakai, T.; Aikawa, Y.; Yamamoto, S.
Astronomy & Astrophysics
615, id. L16-
2018/07



18 Paper
Yes
Chemical Survey toward Young Stellar Objects in the Perseus Molecular Cloud Complex

Higuchi, Aya E.; Sakai, Nami; Watanabe, Yoshimasa; López-Sepulcre, Ana; Yoshida, Kento; Oya, Yoko; Imai, Muneaki; Zhang, Yichen; Ceccarelli, Cecilia; Lefloch, Bertrand; Codella, Claudio; Bachiller, Rafael; Hirota, Tomoya; Sakai, Takeshi; Yamamoto, Satoshi
The Astrophysical Journal Supplement Series
236/ 2, id. 52-
2018/06



19 Paper
Yes
HCN J = 4-3, HNC J = 1-0, H13CN J = 1-0, and HC3N J = 10-9 Maps of the Galactic Center Region. I. Spatially Resolved Measurements of Physical Conditions and Chemical Composition
Joint
Tanaka, Kunihiko; Nagai, Makoto; Kamegai, Kazuhisa; Iino, Takahiro; Sakai, Takeshi
The Astrophysical Journal Supplement Series
236/ 2, id. 40-
2018/06



20 Paper
Yes
Magnetic fields at the onset of high-mass star formation
Joint
Beuther, H.; Soler, J. D.; Vlemmings, W.; Linz, H.; Henning, Th.; Kuiper, R.; Rao, R.; Smith, R.; Sakai, T.; Johnston, K.; Walsh, A.; Feng, S.
Astronomy & Astrophysics
614, id. A64-
2018/06



21 Paper
Yes
ALMA Observations of the IRDC Clump G34.43+00.24 MM3: Complex Organic and Deuterated Molecules
Joint
Sakai, Takeshi; Yanagida, Takahiro; Furuya, Kenji; Aikawa, Yuri; Sanhueza, Patricio; Sakai, Nami; Hirota, Tomoya; Jackson, James M.; Yamamoto, Satoshi
The Astrophysical Journal
857/ 1, id. 35-
2018/04



22 Paper
Yes
Discovery of Striking Difference of Molecular-emission-line Richness in the Potential Proto-binary System NGC 2264 CMM3

Watanabe, Y., Sakai, N., López-Sepulcre, A., Sakai, T., Hirota, T., Liu, S.-Y., Su, Y.-N., Yamamoto, S.
The Astrophysical Journal
847/ 2, id. 108-
2017/10



23 Paper
Yes
Vertical structure of the transition zone from infalling rotating envelope to disc in the Class 0 protostar, IRAS 04368+2557
Joint
Sakai, Nami; Oya, Yoko; Higuchi, Aya E.; Aikawa, Yuri; Hanawa, Tomoyuki; Ceccarelli, Cecilia; Lefloch, Bertrand; López-Sepulcre, Ana; Watanabe, Yoshimasa; Sakai, Takeshi; Hirota, Tomoya; Caux, Emmanuel; Vastel, Charlotte; Kahane, Claudine; Yamamoto, Satoshi
Monthly Notices of the Royal Astronomical Society: Letters
467/ 1, L76-L80
2017/05



24 Paper
Yes
Low Leakage Current Nb-Based Tunnel Junctions with an Extra Top Al Layer

Ikeya, M., Noguchi, T., Kojima, T., Sakai, T.
IEICE Transactions on Electronics
E100-C/ 3, 298-297
2017/03



25 Paper
Yes
L483: Warm Carbon-chain Chemistry Source Harboring Hot Corino Activity

Oya, Y., Sakai, N., Watanabe, Y., Higuchi, A. E., Hirota, T., López-Sepulcre, A., Sakai, T., Aikawa, Y., Ceccarelli, C., Lefloch, B., Caux, E., Vastel, C., Kahane, C., Yamamoto, S.
The Astrophysical Journal
837, id. 174-
2017/03



26 Paper
Yes
Astrochemical Properties of Planck Cold Clumps
Joint
Tatematsu, K., Liu, T., Ohashi, S., Sanhueza, P., Nguyễn Q., Hirota, T., Liu, S.-Y., Hirano, N., Choi, M., Kang, M., Thompson, M. A., Fuller, G., Wu, Y., Li, D., Di Francesco, J., Kim, K.-T., Wang, K., Ristorcelli, I., Juvela, M., Shinnaga, H., Cunningham, M., Saito, M., Lee, J.-E., Tóth, L. V., He, J., Sakai, T., Kim, J., JCMT Large Program “SCOPE” collaboration; TRAO Key Science Program “TOP” collaboration
The Astrophysical Journal Supplement Series
228, id. 20-
2017/02



27 Paper
Yes
Discovery of a Hot Corino in the Bok Globule B335
Joint
Imai, Muneaki; Sakai, Nami; Oya, Yoko; López-Sepulcre, Ana; Watanabe, Yoshimasa; Ceccarelli, Cecilia; Lefloch, Bertrand; Caux, Emmanuel; Vastel, Charlotte; Kahane, Claudine; Sakai, Takeshi; Hirota, Tomoya; Aikawa, Yuri; Yamamoto, Satoshi
The Astrophysical Journal Letters
830/ 2, id. L37-
2016/10



28 Paper
Yes
The Deuterium Fraction in Massive Starless Cores and Dynamical Implications
Joint
Kong, S., Tan, J. C., Caselli, P., Fontani, F., Pillai, T., Butler, M. J., Shimajiri, Y., Nakamura, F., Sakai, T.
The Astrophysical Journal
821/ 2, id. 94-
2016/04



29 Paper
Yes
Subarcsecond Analysis of the Infalling-Rotating Envelope around the Class I Protostar IRAS 04365+2535
Joint
Sakai, N., Oya, Y., López-Sepulcre, A., Watanabe, Y., Sakai, T., Hirota, T., Aikawa, Y., Ceccarelli, C., Lefloch, B., Caux, E., Vastel, C., Kahane, C., Yamamoto, S.
The Astrophysical Journal Letters
820/ 2, id. L34-
2016/04



30 Paper
Yes
Spectral-line Survey at Millimeter and Submillimeter Wavelengths toward an Outflow-shocked Region, OMC 2-FIR 4
Joint
Shimajiri, Y., Sakai, T., Kitamura, Y., Tsukagoshi, T., Saito, M., Nakamura, F., Momose, M., Takakuwa, S., Yamaguchi, T., Sakai, N., Yamamoto, S., Kawabe, R.
The Astrophysical Journal Supplement Series
221/ 2, id. 31-
2015/12



31 Paper
Yes
Hierarchical fragmentation and collapse signatures in a high-mass starless region

Beuther, H., Henning, Th., Linz, H., Feng, S., Ragan, S. E., Smith, R. J., Bihr, S., Sakai, T., Kuiper, R.
Astronomy & Astrophysics
581, id.A119-
2015/09



32 Paper
Yes
Spectral Line Survey toward the Young Massive Protostar NGC 2264 CMM3 in the 4 mm, 3 mm, and 0.8 mm Bands

Watanabe, Y., Sakai, N., López-Sepulcre, A., Furuya, R., Sakai, T., Hirota, T., Liu, S.-Y., Su, Y.-N., Yamamoto, S.
The Astrophysical Journal
809, id. 162-
2015/08



33 Paper
Yes
ALMA Observations of the IRDC Clump G34.43+00.24 MM3: DNC/HNC Ratio

Sakai, T., Sakai, N., Furuya, K., Aikawa, Y., Hirota, T., Foster, J.B., Sanhueza, P., Jackson, J. M., Yamamoto, S.
The Astrophysical Journal
803, id. 70-
2015/04



34 Paper
Yes
Dense Molecular Clumps Associated with the Large Magellanic Cloud Supergiant Shells LMC 4 and LMC 5

Fujii, K., Minamidani, T., Mizuno, N., Onishi, T., Kawamura, A., Muller, E., Dawson, J., Tatematsu, K., Hasegawa, T., Tosaki, T., Miura, R. E., Muraoka, K., Sakai, T., Tsukagoshi, T., Tanaka, K., Ezawa, H., Fukui, Y.
The Astrophysical Journal
796, id. 123-
2014/12



35 Paper
Yes
A Substellar-mass Protostar and its Outflow of IRAS 15398–3359 Revealed by Subarcsecond-resolution Observations of H2CO and CCH
Joint
Oya, Y., Sakai, N., Sakai, T., Watanabe, Y., Hirota, T., Lindberg, J. E., Bisschop, S. E., Jørgensen, J. K., van Dishoeck, E. F., Yamamoto, S.
The Astrophysical Journal
795, id. 152-
2014/11



36 Paper
Yes
ALMA Observations of of the IRDC Clump G34.43+00.24 MM3: 278 GHz Class I Methanol Masers
Joint
Yanagida, T., Sakai, T., Hirota, T., Foster, J. B., Sanhueza, P., Jackson, J. M., Furuya, K., Aikawa, Y., Yamamoto, S.
The Astrophysical Journal Letters
794, id. L10-
2014/10



37 Paper
Yes
A Chemical View of Protostellar-disk Formation in L1527
Joint
Sakai, N., Oya, Y., Sakai, T., Watanabe, Y., Hirota, T., Ceccarelli, C., Kahane, C., Lopez-Sepulcre, A., Lefloch, B., Vastel, C., Bottinelli, S., Caux, E., Coutens, A., Aikawa, Y., Takakuwa, S., Ohashi, N., Yen, H.-W., Yamamoto, S.
The Astrophysical Journal Letters
791, id. L38-
2014/08



38 Paper
Yes
DISTRIBUTED LOW-MASS STAR FORMATION IN THE IRDC G34.43+00.24

Foster, J. B., Arce, H. G. , Kassis, M., Sanhueza P., Jackson, J. M., Finn, S.C., Offner, S., Sakai, T., Sakai, N., Yamamoto, S., Guzmán, A.E., Rathborne, J.M.,
The Astrophysical Journal
791, id. 108-
2014/08



39 Paper
Yes
Kinematic structure of massive star-forming regions. I. Accretion along filaments
Joint
Tackenberg, J., Beuther, H., Henning, Th., Linz, H., Sakai, T., Ragan, S. E., Krause, O., Nielbock, M., Hennemann, M., Pitann, J., Schmiedeke, A.
Astronomy & Astrophysics
565, id. A101-
2014/05



40 Paper
Yes
DNC/HNC and N2D+/N2H+ ratios in high-mass star-forming cores
Joint
Fontani, F., Sakai, T., Furuya, K., Sakai, N., Aikawa, Y., Yamamoto, S
Monthly Notices of the Royal Astronomical Society
440/ 1, 448-456
2014/05



41 Paper
Yes
Change in the chemical composition of infalling gas forming a disk around a protostar
Joint
Sakai, N., Sakai, T., Hirota, T., Watanabe, Y., Ceccarelli, C., Kahane, C., Bottinelli, S., Caux, E., Demyk, K., Vastel, C., Coutens, A., Taquet, V., Ohashi, N., Takakuwa, S., Yen, H.-W., Aikawa, Y., Yamamoto, S.
Nature
507/ 7490, 78-80
2014/03



42 Paper
Yes
Anomalous 13C Isotope Abundances in C3S and C4H Observed toward the Cold Interstellar Cloud, Taurus Molecular Cloud-1

Sakai, N., Takano, S., Sakai, T., Shiba, S., Sumiyoshi, Y., Endo, Y., Yamamoto, S.
The Journal of Physical Chemistry A
117/ 39, 9831-
2013



43 Paper
Yes
ALMA Observations of the IRDC Clump G34.43+00.24 MM3: Hot Core and Molecular Outflows

Sakai, T., Sakai, N., Foster, J. B., Sanhueza, P., Jackson, J. M., Kassis, M., Furuya, K., Aikawa, Y., Hirota, T., Yamamoto, S.
The Astrophysical Journal Letters
775/ 1, L31-
2013



44 Paper
Yes
Extensive [C I] Mapping toward the Orion-A Giant Molecular Cloud

Shimajiri, Y., Sakai, T., Tsukagoshi, T., Kitamura, Y., Momose, M., Saito, M., Oshima, T., Kohno, K., Kawabe, R.
The Astrophysical Journal Letters
774/ 2, L20-
2013



45 Paper
Yes
A New 100-GHz Band Two-Beam Sideband-Separating SIS Receiver for Z-Machine on the NRO 45-m Radio Telescope

Nakajima, T.; Kimura, K.; Nishimura, A.; Iwashita, H.; Miyazawa, C.; Sakai, T.; Iono, D.; Kohno, K.; Kawabe, R.; Kuno, N.; Ogawa, H.; Asayama, S.; Tamura, T.; Noguchi, T.
Publications of the Astronomical Society of the Pacific
125/ 925, 252-
2013



46 Paper
Yes
Fragmentation and dynamical collapse of the starless high-mass star-forming region IRDC 18310-4

Beuther, H.; Linz, H.; Tackenberg, J.; Henning, Th.; Krause, O.; Ragan, S.; Nielbock, M.; Launhardt, R.; Bihr, S.; Schmiedeke, A.; Smith, R.; Sakai, T.
Astronomy & Astrophysics
553, id, A115-
2013



47 Paper
Yes
The 3 mm Spectral Line Survey toward the Lynds 1157 B1 Shocked Region. I. Data

Yamaguchi, Takahiro; Takano, Shuro; Watanabe, Yoshimasa; Sakai, Nami; Sakai, Takeshi; Liu, Sheng-Yuan; Su, Yu-Nung; Hirano, Naomi; Takakuwa, Shigehisa; Aikawa, Yuri; Nomura, Hideko; Yamamoto, Satoshi
Publications of the Astronomical Society of Japan
64/ 5, A105-
2012



48 Paper
Yes
The onset of high-mass star formation in the direct vicinity of the Galactic mini-starburst W43

Beuther, H.; Tackenberg, J.; Linz, H.; Henning, Th.; Krause, O.; Ragan, S.; Nielbock, M.; Launhardt, R.; Schmiedeke, A.; Schuller, F.; Carlhoff, P.; Nguyen-Luong, Q.; Sakai, T.
Astronomy and Astrophysics
538, A11-
2012



49 Paper
Yes
Extremely Strong 13CO J=3-2 Line in the "Water Fountain" IRAS 16342-3814: Evidence for the Hot-Bottom Burning

Imai, Hiroshi; Chong, Sze-Ning; He, Jin-Hua; Nakashima, Jun-ichi; Hsia, Chih-Hao; Sakai, Takeshi; Deguchi, Shuji; Koning, Nico
Publication of the Astronomical Society of Japan
64, No. 5-
2012



50 Paper
Yes
Initial Results from the Nobeyama Molecular Gas Observations of Distant Bright Galaxies

Iono, D.; Hatsukade, B.; Kohno, K.; Kawabe, R.; Ikarashi, S.; Ichikawa, K.; Kodama, T.; Motohara, K.; Nakajima, T.; Nakanishi, K.; Ohta, K.; Ota, K.; Saito, T.; Suzuki, K.; Tadaki, K.; Tamura, Y.; Ueda, J.; Umehata, H.; Yabe, K.; Yoshida, T.; Yuma, S.; Kuno, N.; Takano, S.; Iwashita, H.; Handa, K.; Higuchi, A.; Hirota, A.; Ishikawa, S.; Kimura, K.; Maekawa, J.; Mikoshiba, H.; Miyazawa, C.; Miyazawa, K.; Muraoka, K.; Ogawa, H.; Onodera, S.; Saito, Y.; Sakai, T.; Takahashi, S.; Yun, M. S.
Publication of the Astronomical Society of Japan
64/ 4, Letter No. 2-
2012



51 Paper
Yes
Distribution of CH3OH in NGC 1333 IRAS4B

Sakai, Nami; Ceccarelli, Cecilia; Bottinelli, Sandrine; Sakai, Takeshi; Yamamoto, Satoshi
The Astrophysical Journal
754, id. 70-
2012



52 Paper
Yes
CH radio emission from Heiles Cloud 2 as a tracer of molecular cloud evolution

Sakai, N.; Maezawa, H.; Sakai, T.; Menten, K. M.; Yamamoto, S.
Astronomy & Astrophysics
546, id. A103-
2012



53 Paper
Yes
Tentative Detection of Deuterated Methane toward the Low-mass Protostar IRAS 04368+2557 in L1527

Sakai, Nami; Shirley, Yancy L.; Sakai, Takeshi; Hirota, Tomoya; Watanabe, Yoshimasa; Yamamoto, Satoshi
The Astrophysical Journal Letters
758, id. L4-
2012



54 Paper
Yes
DNC/HNC Ratio of Massive Clumps in Early Evolutionary Stages of High-mass Star Formation

Takeshi Sakai, Nami Sakai, Kenji Furuya, Yuti Aikawa, Tomoya Hirota, Satoshi Yamamoto
The Astrophysical Journal
747/ 2, id. 140-
2012/03



55 Paper
Yes
Dense Clumps in Giant Molecular Clouds in the Large Magellanic Cloud: Density and Temperature Derived from 13CO(J = 3-2) Observations

Minamidani, Tetsuhiro; Tanaka, Takanori; Mizuno, Yoji; Mizuno, Norikazu; Kawamura, Akiko; Onishi, Toshikazu; Hasegawa, Tetsuo; Tatematsu, Ken'ichi; Takekoshi, Tatsuya; Sorai, Kazuo; Moribe, Nayuta; Torii, Kazufumi; Sakai, Takeshi; Muraoka, Kazuyuki; Tanaka, Kunihiko; Ezawa, Hajime; Kohno, Kotaro; Kim, Sungeun; Rubio, Mónica; Fukui, Yasuo
The Astronomical Journal
141, id. 73-
2011



56 Paper
Yes
Compact Molecular Outflow From NGC 2264 CMM3: A Candidate for Very Young High-mass Protostar

Saruwatari, Osamu; Sakai, Nami; Liu, Sheng-Yuan; Su, Yu-Nung; Sakai, Takeshi; Yamamoto, Satoshi
The Astrophysical Journal
729, id. 147-
2011



57 Paper
Yes
Early Results of the 3mm Spectral Line Survey toward the Lynds 1157 B1 Shocked Region

Sugimura, Mika; Yamaguchi, Takahiro; Sakai, Takeshi; Umemoto, Tomofumi; Sakai, Nami; Takano, Shuro; Aikawa, Yuri; Hirano, Naomi; Liu, Sheng-Yuan; Millar, T. J.; Nomura, Hideko; Su, Yu-Nung; Takakuwa, Shigehisa; Yamamoto, Satoshi
Publication of the Astronomical Society of Japan
63, 459-
2011



58 Paper
Yes
Detection of Two Carbon-chain-rich Cores: CB130-3 and L673-SMM4

Hirota, Tomoya; Sakai, Takeshi; Sakai, Nami; Yamamoto, Satoshi
The Astrophysical Journal
736, id. 4-
2011



59 Paper
Yes
Abundance anomaly of the 13C species of CCH

Nami Sakai, Osamu Saruwatari, Takeshi Sakai, Shuro Takano, Satoshi Yamamoto
Astronomy and Astrophysics
512, A31-
2010



60 Paper
Yes
Searching for chameleon-like scalar fields with the ammonia method

Levshakov, S. A., Molaro, P., Lapinov, A. V., Reimers, D., Henkel, C., Sakai, T.
Astronomy and Astrophysics
512, A44-
2010



61 Paper
Yes
Long Carbon-chain Molecules and Their Anions in the Starless Core, Lupus-1A

Nami Sakai, Shiino Tatsuya, Hirota Tomoya, Takeshi Sakai, Satoshi Yamamoto
The Astrophysical Journal
718, L49-
2010



62 Paper
Yes
Distributions of Carbon-chain Molecules in L1527

Nami Sakai, Takeshi Sakai, Tomoya Hirota, Satoshi Yamamoto
The Astrophysical Journal
722, 1633-
2010



63 Paper
Yes
A Survey of Molecular Lines Toward Massive Clumps in Early Evolutionary Stages of High-mass Star Formation

Takeshi Sakai, Nami Sakai, Tomoya Hirota, Satoshi Ymamamoto
The Astrophysical Journal
714/ 2, 1658-1671
2010/05



64 Paper
Yes
Discovery of the Second Warm Carbon-Chain-Chemistry Source, IRAS15398 – 3359 in Lupus

Nami Sakai, Takeshi Sakai, Tomoya Hirota, Michael Burton, Satoshi Yamamoto
The Astrophysical Journal
697, 769-
2009



65 Paper
Yes
Deuterated Molecules in Warm Carbon Chain Chemistry: The L1527 Case

Nami Sakai, Takeshi Sakai, Tomoya Hirota, Satoshi Yamamoto
The Astrophysical Journal
702, 1025-
2009



66 Paper
Yes
Abundant Carbon-Chain Molecules toward the Low-Mass Protostar IRAS 04368+2557 in L1527

Nami Sakai, Takeshi Sakai, Tomoya Hirota, Satoshi Yamamoto
The Astrophysical Journal
672, 371-
2008



67 Paper
Yes
Tentative Detection of C4H- toward the Low-Mass Protostar IRAS 04368+2557 in L1527

Nami Sakai, Takeshi Sakai, Satoshi Yamamoto
The Astrophysical Journal
673, L71-
2008



68 Paper
Yes
Detection of HCO+2 toward the Low-Mass Protostar IRAS 04368+2557 in L1527

Nami Sakai, Takeshi Sakai, Yuri Aikawa, Satoshi Yamamoto
The Astrophysical Journal
675, L89-
2008



69 Paper
Yes
A New 100-GHz Band Front-End System with a Waveguide-Type Dual-Polarization Sideband-Separating SIS Receiver for the NRO 45-m Radio Telescope

Taku Nakajima, Takeshi Sakai, Shin'ichiro Asayama, Kimihiro Kimura, Masayuki Kawamura, Yoshinori Yonekura, Hideo Ogawa, Nario Kuno, Takashi Noguchi, Masato Tsuboi, Ryohei Kawabe
Publication of the Astronomical Society of Japan
60, 435-
2008



70 Paper
Yes
ASTE CO(3-2) Observations of the Southern Barred Spiral Galaxy NGC 986: a Large Gaseous Bar Filled with a Dense Molecular Medium

Kotaro Kohno, Tomoka Tosaki, Rie Miura, Kazuyuki Muraoka, Tsuyoshi Sawada, Kouichiro Nakanishi, Nario Kuno, Takeshi Sakai, and 16 coauthors
Publication of the Astronomical Society of Japan
60, 457-
2008



71 Paper
Yes
A Molecular Line Observation toward Massive Clumps Associated with Infrared Dark Clouds

Takeshi Sakai, Nami Sakai, Kazuhisa Kamegai, Tomoya Hirota, Nobuyuki Yamaguchi, Shoichi Shiba, Satoshi Yamamoto
The Astrophysical Journal
678/ 2, 1049-1069
2008/05



72 Paper
Yes
ASTE CO (3-2) Observations of the Barred Spiral Galaxy M 83: I. Correlation between CO (3-2)/ CO (1-0) Ratios and Star Formation Efficiencies

Kazuyuki Muraoka, Kotaro Kohno, Tomoka Tosaki, Nario Kuno, Kouichiro Nakanishi, Kazuo Sorai, Takeshi Okuda, Seiichi Sakamoto, Akira Endo, Bunyo Hatsukade, Kazuhisa Kamegai, Kunihiko Tanaka, Juan Cortes, Hajime Ezawa, Nobuyuki Yamaguchi, Takeshi Sakai, Ryohei Kawabe
Publication of the Astronomical Society of Japan
59, 43-
2007



73 Paper
Yes
A Search for CO (J=3--2) Emission from the Host Galaxy of GRB980425 with the Atacama Submillimeter Telescope Experiment

Bunyo Hatsukade, Kotaro Kohno, Akira Endo, Tomoka Tosaki, Kouji Ohta, Seiichi Sakamoto, Nobuyuki Kawai, Juan R. Cortes, Kouichiro Nakanishi, Takeshi Okuda, Kazuyuki Muraoka, Takeshi Sakai, Paul M. Vreeswijk, Hajime Ezawa, Nobuyuki Yamaguchi, Kazuhisa Kamegai, Ryohei Kawabe
Publication of the Astronomical Society of Japan
59, 67-
2007



74 Paper
Yes
Methyl Formate in the NGC 2264 IRS 1 Region

Nami Sakai, Takeshi Sakai, Satoshi Yamamoto
The Astrophysical Journal
660, 363-
2007



75 Paper
Yes
Production Pathways of CCS and CCCS Inferred from Their 13C Isotopic Species

Nami Sakai, Masafumi Ikeda, Masaru Morita, Takeshi Sakai, Shuro Takano, Yoshihiro Osamura, Satoshi Yamamoto
The Astrophysical Journal
663, 1174-
2007



76 Paper
Yes
Detection of C6H- toward the Low-Mass Protostar IRAS 04368+2557 in L1527

Nami Sakai, Takeshi Sakai, Yoshihiro Osamura, Satoshi Yamamoto
The Astrophysical Journal
667, L65-
2007



77 Paper
Yes
Physical and Chemical Properties of Massive Clumps in the AFGL 333 Cloud

Takeshi Sakai, Tomoharu Oka, Satoshi Yamamoto
The Astrophysical Journal
662/ 2, 1043-1051
2007/06



78 Paper
Yes
Atomic Carbon in the AFGL 333 Cloud

Takeshi Sakai, Tomoharu Oka, Satoshi Yamamoto
The Astrophysical Journal
649/ 1, 268-279
2006/09



79 Paper
Yes
Submillimeter-Wave C I Spectral Lines from the NGC 1333 Region

Tomoharu Oka, Mitsuhiro Iwata, Hiroyuki Maezawa, Masafumi Ikeda, Tetsuya Ito, Kazuhisa Kamegai, Takeshi Sakai, Satoshi Yamamoto
The Astrophysical Journal
602, 803-
2004



80 Paper
Yes
Distribution of the [C I] Emission in the ρ Ophiuchi Dark Cloud

Kazuhisa Kamegai, Masafumi Ikeda, Hiroyuki Maezawa, Tetsuya Ito, Mitsuhiro Iwata, Takeshi Sakai, Tomoharu Oka, Satoshi Yamamoto, Yutaro Sekimoto, Ken’ichi Tatematsu, Takashi Noguchi, Shuji Saito, Hideo Fujiwara, Hiroyuki Ozeki, Junji Inatani, Masatoshi Ohishi
The Astrophysical Journal
589, 378-
2003



81 Paper
Yes
An Experimental Study of Submillimeter-Wave Horn Antennae for a Submillimeter-Wave Array

Mayumi Matsunaga, Yutato Sekimoto, Toshiaki Matsunaga, Takeshi Sakai
Publication of the Astronomical Society of Japan
55, 1051-
2003



82 Paper
Yes
Observation of the C I 3P2-3P1 Line toward the Orion Kleinmann-Low Region

Satoshi Yamamoto, Hiroyuki Maezawa, Masafumi Ikeda, Tetsuya Ito, Tomoharu Oka, Gaku Saito, Mitsuhiro Iwata, Kazuhisa Kamegai, Takeshi Sakai, Yutaro Sekimoto, Ken’ichi Tatematsu, Takashi Noguchi, Sheng-Cai Shi, Yuji Arikawa, Yoshiyuki Aso, Keisuke Miyazawa, Shuji Saito, Hideo Fujiwara, Masatoshi Ohishi, Hiroyuki Ozeki, Junji Inatani
The Astrophysical Journal
547, L165-
2001



83 Paper
Yes
Atomic Carbon and CO Isotope Emission in the Vicinity of DR 15

Tomoharu Oka, Satoshi Yamamoto, Mitsuhiro Iwata, Hiroyuki Maezawa, Masafumi Ikeda, Tetsuya Ito, Kazuhisa Kamegai, Takeshi Sakai, Yutaro Sekimoto, Ken’ichi Tatematsu, Yuji Arikawa, Yoshiyuki Aso, Takashi Noguchi, Sheng-Cai Shi, Keisuke Miyazawa, Shuji Saito, Hiroyuki Ozeki, Hideo Fujiwara, Masatoshi Ohishi, Junji Inatani
The Astrophysical Journal
558, 176-
2001



84 Paper
Yes
A 350GHz SIS Receiver on the Nobeyama 10m Submillimeter Telescope

Yutaro Sekimoto, Takeshi Sakai, Gaku Saito, Ken’ichi Tatematsu, Kunihiko Tanaka, Kotaro Kohno, Takashi Noguchi, Hiroyuki Iwashita, Toshikazu Takahashi, Naohisa Satou, Sozo Yokogawa, Seiichi Sakamoto, Nobuharu Ukita, Ryohei Kawabe, Tetsuya Ito, Hiroyuki Maezawa, Satoshi Yamamoto
Publication of the Astronomical Society of Japan
53, 951-
2001



85 Paper
Yes
The Mt. Fuji Submillimeter-wave Telescope

Yutaro Sekimoto, Satoshi Yamamoto, Tomoharu Oka, Masafumi Ikeda, Hiroyuki Maezawa, Tetsuya Ito, Gaku Saito, Mitsuhiro Iwata, Kazuhisa Kamegai, Takeshi Sakai, Ken’ichi Tatematsu, Yuji Arikawa, Yoshiyuki Aso, Takashi Noguchi, Keisuke Miyazawa, Sheng-Cai Shi, Shuji Saito, Hiroyuki Ozeki, Hideo Fujiwara, Junji Inatani, Masatoshi Ohishi, K. Noda, Y. Togashi
Review of Scientific Instruments
71, 2895-
2000