Figure Top Left: Massive dense isolated core imaged at 350micron which hosts a massive protostar IRAS 20126+4104
Figures Left: CCS Zeeman effect observed towards a starless core L1521E in Taurus Molecular Cloud (bottom) and in the lab (top)
Figures Right: Millimeter Polarimeter installed at Nobeyama 45m telescope(top), cross section diagram(middle), and SiO J=2-1 v=0 linear polarization spectrum towards VY Canis Majoris (bottom)
Figures Bottom: VYCMa highly linearly polarized SiO J=5-4 v=1 emission (left) and J=1-0 v=0 emission (right)
Publications
Figures Top: Starless core velocity map traced with CCS(core envelope region, top left) and N2H+ (core center, top right)
![Publications in Refereed Journals:
1. The Initial Conditions for Gravitational Collapse of a Core: An Extremely Young Low-Mass Class 0 Protostar GF9-2 
R.S. Furuya, Y. Kitamura, and H. Shinnaga, 2006 ApJ 653,1369
2. Submillimeter Array 440 \mu m/ 690GHz Line and Continuum Observations of Orion-KL
H. Beuther, Q. Zhang, M.J. Reid, T.R. Hunter, M. Gurwell, D. Wilner, J. -H. Zhao, H. Shinnaga, E. Keto, P.T.P Ho, J.M. Moran , S.-Y. Liu, 2005 ApJ 636, 323
3. Relative Evolutionary Time Scale of Hot Molecular Cores with Respect to Ultra Compact HII Regions
Furuya, R.S., Cesaroni, R., Takahashi, S., Momose, M., Testi, L., Shinnaga, H., and Codella, C. 2005 ApJ 624, 827
4. Line Imaging of Orion KL at 865 micron with the Submillimeter Array
Beuther, H., Q. Zhang, L.J. Greenhill, M.G. Reid, D. Wilner, E. Keto, H. Shinnaga, P.T.P. Ho, J.M. Moran, S.-Y. Liu, Chang, C.-M. 2005 ApJL, 632, 355
5. Interferometric Observation of the Highly Polarized SiO Maser Emission from the v=1, J=5-4 Transition Associated with VY Canis Majoris
Shinnaga, H., Moran, J.M., Young, K. H., and Ho, P.T.P 2004, ApJL, 616, L47
(Initial result from the SMA Evolved Star Project)
6. High Velocity Bipolar Outflow and Disk-Like Envelope in the Carbon Star VHya
Hirano, N., Shinnaga, H., Junhui Zhao, Ken H. Young, David K. Fong, Dinh-Van-Trung, Chunhua Qi, Qizhou Zhang, Nimesh Patel, and Eric Keto, 2004, ApJL, 616, L43
(Initial result from the SMA Evolved Star Project)
7. Sub-arcsecond sub-mm continuum observations of Orion-KL
Beuther, H., Q. Zhang, L.J. Greenhill, M.G. Reid, D. Wilner, E. Keto, D. Marrone, P.T.P. Ho, J.M. Moran, R. Rao, H. Shinnaga, S.-Y. Liu, 2004 ApJL, 616, L23
8. Submillimeter Array Observations of CS J=14-13 Emisson from the Evolved Star IRC+10216
Young, K. H. et al. 2004, ApJL, 616, L51
(Also part of initial result from the SMA Evolved Star Project)
9. Physical Properties and Kinetic Structure of a Starless Core in Taurus Molecular Cloud
Shinnaga, H., Ohashi, N., Lee, S.-W., and Moriarty-Schieven, G. 2004, ApJ 601, 962,
10. A Giant Flare on A T Tauri Star Observed at Millimeter Wavelengths
Furuya, R.S., Shinnaga, H., Nakanishi, K. Momose, M., and Saito, M. 2003, PASJ 55, L83
11. Zeeman Effect on the Rotational Levels of CCS and SO in the  Ground State
Shinnaga, H. & Yamamoto, S., 2000, ApJ, v544, 330
12. Millimeter Polarimeter for the 45-m Telescope at Nobeyama
Shinnaga, H., Tsuboi, M., & Kasuga, T., 1999, Publ. Astron. Soc. Japan 51, pp. 175

Publications in Books:
1. Interstellar Magnetic Field
Motohide Tamura, Masato Tsuboi, and Hiroko Shinnaga, 2008, in the 100th year anniversary of the Astronomical Society of Japan Astronomy Text Book, section 7 “Interstellar Magnetic Field” in volume 6 “Interstellar Medium and Star Formation”, to be published by Goto shobo

Conference Contributions, Technical Memos, IAU Circulars, and Posters:
1. Rapid star formation in an isolated massive dense core in the Cygnus X region
Shinnaga, H. Phillips, T.G., Furuya, R.S., Yoshida, H., and Cesaroni, R.
in Protostars and Planets V, proceedings of the conference held October 24--28, 3005
2. Thermal Effect on Pointing of the CSO Telescope on a Nasmyth Focus Using SHARCII at 350 micron
Shinnaga, H.
Caltech Submillimeter Observatory Technical Memo, Nov 2004
3. Interferometric Observations of SiO High-J Transition Maser Associated With VY Canis Majoris With the Submillimeter Array
Shinnaga, H., Moran, J.M., Young, K. H., and Ho, P.T.P.
presented at the meeting entitled "Astronomical Polarimetry - Current Status and Future Directions", held on March 15-19, 2004, Hawaii USA [ADS]
4. High Velocity Bipolar Outflow From the Carbon Star V Hydrae Imaged With the SubMillimeter Array
Hirano, N., Shinnaga, H. et al. presented at the meeting entitled "Asymetric Planetary Nebulae III: Winds, Structure, and the Thunderbird", held in July-August 2003, Washington state, USA
[pdf file of the poster (737kb)] [ADS]
5. Flaring Object in Orion Cluster
Nakanishi, K., Saito, M., Furuya, S.R. Shinnaga, H., and Momose, M.
IAU Circular 8060, 29 Jan 2003 [ CBAT ] [ADS]
6. Unveiling the molecular bipolar outflow of the peculiar red superiant VY Canis Majoris
Shinnaga, H., Claussen, M.J., Lim, J., Dinh, V-T., & Tsuboi, M.
in the proceedings of "Workshop on Mass-losing Pulsating Stars and their Circumstellar Matter -Newest Results of Observations and Theory -" , May 2002, Sendai, Japan (ASSL series, Kluwer)
[Reprint (PS)][Reprint (PDF)] [ADS]
7. A millimeter polarimeter for the 45m telescope at Nobeyama
Shinnaga, H., Tsuboi, M., & Kasuga, T.
in the proceedings of "Astrophysical Polarized Backgrounds", October 2001, Bologna, Italy (AIP (American Institute of Physics)) [ADS],[Preprint (PDF)]
8. Highly Polarized SiO v=0 Emission from Late-Type Stars
Shinnaga, H., Tsuboi, M., & Kasuga, T.
in the proceedings of IAU symposium vol.206, "Cosmic Masers: from protostars to blackholes", March 2001, Angra dos Reis, Brazil [ADS]
9. CCS Zeeman Observation toward a Dense Molecular Core in the Taurus Molecular Cloud
Shinnaga, H., Tsuboi, M., & Kasuga, T.
in the proceedings of Star Formation 1999, pp. 175, June 1999, Nagoya, Japan [ADS ]
10. A quasi-optical reflective polarimeter for wide millimeter-wave band
Shinnaga, H., Tsuboi, M. & Kasuga, T.
in the proceedings of SPIE, 4th International Conference on Millimeter and Submillimeter Waves and Applications, pp. 117, July 1998, San Diego, California [ Abstract ]
11. Reflective-type Polarimeter for Millimeter-wave Band
Shinnaga, H., Tsuboi, M., & Kasuga, T.
in the proceedings of the Technical Workshop for the Asia-Pacific Telescope and the Asia-Pacific Space Geodynamics Project, pp.262, December 1996, Kashima, Ibaraki
12. Molecular Clouds toward Cygnus X region
H. Shinnaga,Tetsuo Hasegawa, Tomoharu Oka, Toshihiro Handa, Seiichi Sakamoto, Masumichi Seta, Kumiko Sato, Kazuo Sorai, Jun Ichi Morino, Masahiko Hayashi, Fumio Sato,
in the proceedings of East Asian Meeting on Astronomy Ground-Based Astronomy in Asia, pp. 143, July 1995, Yoyogi, Tokyo
13. CO (J=2-1) Mapping of Cygnus X region with the 60-cm Telescope
H. Shinnaga, Tetsuo Hasegawa, Tomoharu Oka, Toshihiro Handa, Seiichi Sakamoto, Masumichi Seta, Kumiko Sato, Kazuo Sorai, Jun Ichi Morino, Masahiko Hayashi, Fumio Sato
in the proceedings of IAU Symposium 170 CO: 25 Years of Millimeter-wave Spectroscopy, pp. 458, 29 May - 2 June 1995, Tucson, Arizona](Publications_files/shapeimage_4.png)
