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People > Research Fellow > Curriculum Vita
ALMA revealed the earliest stage of protostellar evolution
ALMA Revealing the Pseudo-disk, Keplerian Rotating disk, and Jet in the Very Young Protostellar System HH 212
Two submm sources in the B1-b molecular cloud core.
Sub-arcsecond images of the protostellar jet from L1448C(N)
Extreme Active Molecular Jets in L1448C
Detection of Multiple Bipolar Flows in NGC 7027 with SMA
The Reflection-Symmetric Wiggle of the Young Protostellar Jet HH211
The HH211 outflow imaged in the SiO(5-4) line at 217 GHz and SiO(8-7) line at 347 GHz with the SMA
The HH211 outflow
Hirano, Naomi
Research Fellow
photo of Hirano, Naomi
Office: ASMAB 1321
TEL: +886-2-2366-5448
FAX: +886-2-2367-7849
Email: hirano_replace2@_asiaa.sinica.edu.tw

Education and Positions

  • Research Fellow, ASIAA (2011~present)
  • Associate Research Fellow, ASIAA (2006~2011)
  • Adjunct Associate professor, National Taiwan Normal University (2005~2007)
  • Associate Research Astronomer, ASIAA (2001~2006)
  • Research Associate, Hitotsubashi University (1991~2000)
  • Postdoctoral Fellow of Japan Society for the Promotion of Science (1989~1991)
  • Postdoctoral Fellow, Nobeyama Radio Observatory (1988~1989)
  • Ph.D., Astronomy, Tohoku University (1987)
  • M.S., Astronomy, Tohoku University (1984)

Research Interests

"How stars like our sun are formed?" -- this is one of the most fundamental problems in astronomy. Since stars are formed deeply inside of the interstellar molecular clouds, we need to look into the dusty cocoons that are obscuring the light from newly-born stars. Radio eyes such as "Atacama Large Millimeter/submillimeter Array (ALMA)" and “Submillimeter Array (SMA)” help us to study what is going on inside of the cocoons. Using the radio eyes, I am studying the structure and physical condition in the close vicinity of the newly-born stars. I am especially interested in the earliest stage of star formation, and looking for a "first hydrostatic core", which is the object formed at the beginning of the star formation process.

Recent Journal Papers

  1. Wu Chun-Ju, Hirano Naomi, Takakuwa Shigehisa, Yen Hsi-Wei, Aso Yusuke, "Physical and Chemical Conditions of the Protostellar Envelope and the Protoplanetary Disk in HL Tau" , The Astrophysical Journal: 869(1), 59, 2018-12 [SCI] (Fulltext)
  2. Chen Yu-Ching, Hirano Naomi, "The Physical and Chemical Properties of the ρ Ophiuchi A Dense Core" , The Astrophysical Journal: 868(2), 80, 2018-12 [SCI] (Fulltext)
  3. Lee Chin-Fei, Hwang Hsiang-Chih, Ching Tao-Chung, Hirano Naomi, Lai Shih-Ping, Rao Ramprasad, Ho Paul. T. P, "Unveiling a magnetized jet from a low-mass protostar" , Nature Communications: 9(1), 4636, 2018-11 [SCI] (Fulltext)
  4. Kawabe Ryohei, Hara Chihomi, Nakamura Fumitaka, Saigo Kazuya, Kamazaki Takeshi, Shimajiri Yoshito, Tomida Kengo, Takakuwa Shigehisa, Tsuboi Yohko, Machida Masahiro N., Francesco James Di, Friesen Rachel, Hirano Naomi, Oasa Yumiko, Tamura Motohide, Tamura Yoichi, Tsukagoshi Takashi, Wilner David, "Extremely Dense Cores Associated with Chandra Sources in Ophiuchus A: Forming Brown Dwarfs Unveiled?" , The Astrophysical Journal: 866(2), 141, 2018-10 [SCI] (Fulltext)
  5. Liu Hauyu Baobab, Hasegawa Yasuhiro, Ching Tao-Chung, Lai Shih-Ping, Hirano Naomi, Rao Ramprasad, "Detection of 40–48 GHz dust continuum linear polarization towards the Class 0 young stellar object IRAS 16293–2422" , Astronomy & Astrophysics: 617, A3, 2018-09 [SCI] (Fulltext)
  6. Lee Chin-Fei, Li Zhi-Yun, Hirano Naomi, Shang Hsien, Ho Paul T. P., Zhang Qizhou, "ALMA Observations of the Very Young Class 0 Protostellar System HH211-mms: A 30 au Dusty Disk with a Disk Wind Traced by SO?" , The Astrophysical Journal: 863(1), 94, 2018-08 [SCI] (Fulltext)
  7. Aso Yusuke, Hirano Naomi, Aikawa Yuri, Machida Masahiro N., Takakuwa Shigehisa, Yen Hsi-Wei, Williams Jonathan P., "The Distinct Evolutionary Nature of Two Class 0 Protostars in Serpens Main SMM4" , The Astrophysical Journal: 863(1), 19, 2018-08 [SCI] (Fulltext)
  8. Liu H-B; … ; Hirano N; …; Takami M; et al., "A 1.3mm SMA Survey of 29 Variable Young Stellar Objects" , ASTRONOMY & ASTROPHYSICS: 612, A54, 2018-04 [SCI] (Fulltext)
  9. Juvela M; He JH; Pattle K; ...; Hirano N; ...; Liu S-Y; et al., "Herschel and SCUBA-2 observations of dust emission in a sample of Planck cold clumps" , ASTRONOMY & ASTROPHYSICS: 612, A71, 2018-04 [SCI] (Fulltext)
  10. Lee CF; Li ZY; Codella C; Ho PTP; Podio L; Hirano N; Shang H; et al., "A 100 au Wide Bipolar Rotating Shell Emanating from the HH 212 Protostellar Disk: A Disk Wind?" , ASTROPHYSICAL JOURNAL: 856(1), 14, 2018-03 [SCI] (Fulltext)
  11. Hsieh TH; Murillo NM; Belloche A; Hirano N; ...; Lai SP,, "Probing Episodic Accretion in Very Low Luminosity Objects" , ASTROPHYSICAL JOURNAL: 854(1), 15, 2018-02 [SCI] (Fulltext)
  12. Liu T; Kim K-T; Juvela M; ...; Liu S-Y; ...; Koch PM; ...; Hirano N; ...; Chen H-R; Lee C-F; ...; Morata O; ...; Shang H; ...; Tang Y-W; et al., "The TOP-SCOPE Survey of Planck Galactic Cold Clumps: Survey Overview and Results of an Exemplar Source, PGCC G26.53+0.17" , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES: 234(2), 28, 2018-02 [SCI] (Fulltext)
  13. Lee C-F; Ho PTP; Li Z-Y; Hirano N; Zhang Q; Shang H, "A Rotating Protostellar Jet Launched from the Innermost Disk of HH 212" , Nature Astronomy: 1, 0152, 2017-07 (Fulltext)
  14. Lee C-F; Li Z-Y; Ho PTP; Hirano N; Zhang Q; Shang H, "Formation and Atmosphere of Complex Organic Molecules of the HH 212 Protostellar Disk" , ASTROPHYSICAL JOURNAL: 843(1), 27, 2017-07 [SCI] (Fulltext)
  15. Liu HB; ...; Dong R; ...; Takami M; ...; ...; Hirano N; Hasegawa Y; et al., "A concordant scenario to explain FU Orionis from deep centimeter and millimeter interferometric observations" , ASTRONOMY & ASTROPHYSICS: 602, A19, 2017-06 [SCI]
  16. Li J I-H; Liu HYB; Hasegawa Y; Hirano N, "Systematic analysis of spectral energy distributions and the dust opacity indices for Class 0 young stellar objects" , ASTROPHYSICAL JOURNAL: 840(2), 72, 2017-05 [SCI] (Fulltext)
  17. Lee C-F; Li Z-Y; Ho PTP; Hirano N; Zhang Q; Shang H, "First detection of equatorial dark dust lane in a protostellar disk at submillimeter wavelength" , Science Advances: 3(4), e1602935, 2017-04 (Fulltext)
  18. Harada N*; Hasegawa Y; Aikawa Y; Hirashita H; Liu HB; Hirano N, "Effects of grain growth on molecular abundances in young stellar objects" , ASTROPHYSICAL JOURNAL: 837(1), 78, 2017-03 [SCI] (Fulltext)
  19. Kim H; Trejo A; Liu S-Y; Saha R; Taam RE; ...; Hirano N; et al., "The large-scale nebular pattern of a superwind binary in an eccentric orbit" , Nature Astronomy: 1, 0060, 2017-03 (Fulltext)
  20. Tatematsu K; Liu T; Ohashi S; ...; Liu S-Y; Hirano N; ...; et al., "Astrochemical Properties of Planck Cold Clumps" , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES: 228(2), 12, 2017-02 [SCI] (Fulltext)
  21. Tafalla, M.; Su, Y.-N.; Shang, H.; …Lee, C.-F.; Hirano, N.; Wang, L.-Y., "Anatomy of the internal bow shocks in the IRAS 04166+2706 protostellar jet" , ASTRONOMY & ASTROPHYSICS: 597, id.A119, 2017-01 [SCI] (Fulltext)
  22. Yen H-W; Takakuwa S; Chu Y-H; Hirano N; Ho PTP; Kanagawa, KD; Lee C-F; Liu HB; Liu S-Y; Matsumoto T; Matsushita S; ...; Tang Y-W; Trejo A; Wu C-J, "1000 AU Exterior Arcs Connected to the Protoplanetary Disk around HL Tau" , ASTRONOMY & ASTROPHYSICS: 608, A134, 2017, accepted [SCI] (Fulltext)
  23. Yen HW; Koch PM ; Liu HY B; Puspitaningrum E; Hirano N; Lee CF; Takakuwa S, "Stacking Spectra in Protoplanetary Disks: Detecting Intensity Profiles from Hidden Molecular Lines in HD163296" , Astrophysical Journal Letters: 832(2), 204, 2016-12 [SCI] (Fulltext)
  24. Liu, H.B.; …;Hirano, N.; Rao, R.; Li, I-H. et al., "Detection of Linearly Polarized 6.9 mm Continuum Emission from the Class 0 Young Stellar Object NGC 1333 IRAS 4A" , ASTROPHYSICAL JOURNAL: 821(1), 41, 2016-04 [SCI] (Fulltext)
  25. Yen, H.-W.; Liu, H.B.; Gu, P.-G.; Hirano, N.; Lee, C.-F.; Puspitaningrum, E.; Takakuwa, S., "Gas Gaps in the Protoplanetary Disk around the Young Protostar HL Tau" , ASTROPHYSICAL JOURNAL: 820(2),L25, 2016-04 [SCI] (Fulltext)
  26. Liu, H.B., Galván-Madrid, R., Vorobyov, E.I., ..., Takami, M. et al., "Absence of Significant Cool Disks in Young Stellar Objects Exhibiting Repetitive Optical Outbursts" , ASTROPHYSICAL JOURNAL: 816(2), L29, 2016-01 [SCI] (Fulltext)
  27. Liu T.;…; Liu, S.-Y.; Hirano, N.; Koch, P.;…; Liu, H.B. et al., "Planck cold clumps in the lambda-Orionis complex: I. Discovery of an extremely young Class 0 protostellar object and a proto-brown dwarf candidate in a bright rimmed clump PGCC G192.32-11.88" , ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES: 222(1), 28, 2016-01 [SCI] (Fulltext)
  28. Kim H; Liu S-Y; Hirano N; Zhao-Geisler R; Trejo A; Yen H-W; Taam RE; Kemper F; et al .,. , "High-resolution CO observation of the carbon star CIT 6 revealing the spiral structure and a nascent bipolar outflow" , ASTROPHYSICAL JOURNAL: 814(1), 61, 2015-11 [SCI] (Fulltext)
  29. Lee, Chin-Fei; Hirano, Naomi; Zhang, Qizhou; Shang, Hsien; Ho, Paul T. P.; Mizuno, Yosuke, "Jet Motion, Internal Working Surfaces, and Nested Shells in the Protostellar System HH 212" , THE ASTROPHYSICAL JOURNAL: Volume 805, Issue 2, 186-189, 2015-06 [SCI] (Fulltext)
  30. Lee C-F; Rao R; Ching T-C; Lai S-P; Hirano N; Ho PTP; Hwang H-C, "Magnetic Field Structure in the Flattened Envelope and Jet in the Young Protostellar System HH 211" , Astrophysical Journal Letters: 797(1), L9-12, 2014-12 [SCI] (Fulltext)
  31. Hirano, N. & Liu, Fang-Chun , "Two Extreme Young Objects in Barnard 1-b" , The Astrophysical Journal: 789, 50, 2014-07 [SCI]
  32. Lee C-F; Hirano N; Zhang, Q.; Shang H; Ho PTP; Krasnopolsky, R. , "ALMA Results of the Pseudodisk, Rotating Disk, and Jet in the Continuum and HCO+ in the Protostellar System HH 212" , The Astrophysical Journal: 786, 114, 2014-05 [SCI]
  33. Wang L-Y; Shang H; Su Y-N; ...; Lee C-F; Hirano N; et al., "Molecular Jet of IRAS 04166+2706" , ASTROPHYSICAL JOURNAL: 780, 49, 2014-01 [SCI]
  34. A.I. Gomez-Ruiz, N. Hirano, S. Leurini, & S.-Y. Liu, "The L1157 protostellar outflow imaged with the SMA" , ASTRONOMY & ASTROPHYSICS: 558, A94, 2013-08 [SCI]
  35. Huang, Y.-H.; Hirano, N., "Probing the Earliest Stage of Protostellar Evolution – Barnard 1-bN and Barnard 1-bS" , The Astrophysical Journal: 766, 131, 2013-03 [SCI] (Fulltext)
  36. Yamaguchi, T.; .... ; Liu, S.-Y.; Su, Y.-N.; Hirano, N.; Takakuwa, S. et al., "The 3 mm Spectral Line Survey toward the Lynds 1157 B1 Shocked Region. I. Data" , PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN: 64(5),105, 2012-10 [SCI]
  37. Yamaguchi, T.; ... Liu, S.-Y.; Su, Y.-N.; Hirano, N.; Takakuwa, S. et al., "Detection of Phosphorus Nitride in the Lynds 1157 B1 Shocked Region" , Publication of the Astronomical Society of Japan: 63(5), L37-L41, 2011-10 [SCI]
  38. Sugimura, M.;... Hirano, N.; Liu, S.-Y.; Su, Y.-N.; Takakuwa, S. et al., "Early Results of the 3 mm Spectral Line Survey toward the L1157 B1 Shocked Region" , PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN: 63(2), 459-472, 2011-04 [SCI] (Fulltext)
  39. Huang ZY; Hasegawa TI; Trung DV; Kwok S; Muller S; Hirano N; Lim J; Muthu C; Lyo A, "Detection of Multiple Bipolar Flows in NGC 7027 with Submillimeter Array" , ASTROPHYSICAL JOURNAL: 722(1), 273-280, 2010-10 [SCI]
  40. Hirano N; Ho PTP; Liu SY; Shang H; Lee CF;et al., "Extreme active molecular jets in L1448C" , ASTROPHYSICAL JOURNAL: 717(1): 58-73, 2010-07 [SCI] (Fulltext)
  41. Hiramatsu M; Hirano N; Takakuwa S, "Outflow - Core Interaction in Barnard 1" , Astrophysical Journal: 712(2), 778-789, 2010-04 [SCI] (Fulltext)
  42. Lee C-F; Hasegawa TI; Hirano N; Palau A; Shang H; Ho PTP; Zhang Q, "The Reflection-Symmetric Wiggle of the Young Protostellar Jet HH211" , Astrophysical Journal: 713(2), 731-737, 2010-04 [SCI] (Fulltext)
  43. Lee CF; Hirano N; ...; Ho PTP; ...; Shang H, "Rotation and Outflow motions in the very low-mass Class 0 protostellar system HH 211 at subarcsecond resolution" , ASTROPHYSICAL JOURNAL: 699(2), 1584-1594, 2009-07 [SCI] (Fulltext)
  44. Lee CF; Ho PTP; ...; Hirano N; Shang H; et al., "SiO shocks of the protostellar jet HH 212: A search for jet rotation" , ASTROPHYSICAL JOURNAL: 685(2), 1026-1032, 2008-10 [SCI] (Fulltext)
  45. Yeh SCC; Hirano N; ...; Ho PTP; Lee CF; Ohashi N; Takakuwa S, "The CO Molecular Outflows of IRAS 16293-2422 Probed by the Submillimeter Array" , ASTROPHYSICAL JOURNAL: 675(1), 454-463, 2008-03 [SCI] (Fulltext)
  46. Lee CF; Ho PTP; Palau A; Hirano N; Bourke TL; Shang H; Zhang Q, "Submillimeter Arcsecond-Resolution Mapping of the Highly Collimated Protostellar Jet HH211" , ASTROPHYSICAL JOURNAL: 670(2), 1188-1197, 2007-12 [SCI] (Fulltext)
  47. Nakashima J; Fong D; Hasegawa T; Hirano N; Koning N; Kwok S; Lim J; Dinh-Van-Trung; Young K, "Submillimeter Array Observation of the Proto-Planetary Nebula CRL 618 in the CO J = 6-5 Line" , ASTRONOMICAL JOURNAL: 134(5), 2035-2045, 2007-11 [SCI] (Fulltext)
  48. Takakuwa S; Ohashi N; Bourke TL; Hirano N; Ho PTP; Jorgensen JK; Kuan YJ; et al., "Arcsecond-Resolution Submillimeter HCN Imaging of the Binary Protostar IRAS 16293-2422" , ASTROPHYSICAL JOURNAL: 662(1), 431-442, 2007-06 [SCI] (Fulltext)
  49. Lee CF; Ho PTP; Beuther H; Bourke TL; Hirano N; Shang H; Zhang Q, "HH212: SMA Observations of a Remarkable Protostellar Jet" , ASTROPHYSICAL JOURNAL: 659(1), 499-511, 2007-04 [SCI] (Fulltext)
  50. Muller S; Dinh-V-Trung; Lim J; Hirano N; Muthu C; Kwok S, "The molecular envelope around the red supergiant VY CMa" , ASTROPHYSICAL JOURNAL: 656(2), 1109-1120, 2007-02 [SCI] (Fulltext)
  51. Chen HR; Su YN; Liu SY; Hunter TR; Wilner DJ; Zhang Q; Lim J; Ho PTP; Ohashi N; Hirano N, "654 GHz Continuum and C18O(6-5) Observations of G240.31+0.07 with the Submillimeter Array" , ASTROPHYSICAL JOURNAL: 654(1), L87-L90, 2007-01 [SCI] (Fulltext)
  52. Chiu PJ; Hoang CT; Dinh-V-Trung; Lim J; Kwok S; Hirano N ; Muthu C, "A Slowly Expanding Disk and Fast Bipolar Outflow from the S Star π1 Gruis" , ASTROPHYSICAL JOURNAL: 645(1), 605-612, 2006-07 [SCI] (Fulltext)
  53. Yen, H.-W.; Liu, H.-Y; Gu, P.-G.; Hirano, N.; Lee, C.-F.; Puspitaningrum, E.; Takakuwa, S., "Gas Gaps in the Protoplanetary Disk around the Young Protostar HL Tau" , ASTROPHYSICAL JOURNAL: 820, L25, 2006-04 [SCI] (Fulltext)
  54. Lee CF; Ho PTP; Beuther H; ...; Hirano N; Shang H, "Infall and Outflow around the HH 212 Protostellar System" , ASTROPHYSICAL JOURNAL: 639 (1), 292-302, 2006-03 [SCI] (Fulltext)
  55. Hirano N; Liu SY; Shang H; Ho PTP; ...; Kuan YJ; et al., "SiO J=5-4 in the HH 211 protostellar jet imaged with the Submillimeter Array" , ASTROPHYSICAL JOURNAL: 636(2), L141-L144, 2006-01 [SCI] (Fulltext)
  56. Palau A; Ho PTP; Zhang Q; ...; Hirano N; Shang H;...; Kuan YJ, "Submillimeter emission from the hot molecular jet HH 211" , ASTROPHYSICAL JOURNAL: 636(2), L137-L140, 2006-01 [SCI] (Fulltext)
  57. Huang HC; Kuan YJ; Charnley SB; Hirano N; et al., "Organic molecules in the hot corinos and circumstellar disks of IRAS 16293-2422" , ADVANCES IN SPACE RESEARCH: 36(2) Sp. Iss., 146-155, 2005 [SCI] (Fulltext)
  58. Hirano N; Shinnaga H; Dinh-V-Trung; et al, "High-Velocity Bipolar Outflow and Disklike Envelope in the Carbon Star V Hydrae" , ASTROPHYSICAL JOURNAL: 616(1), L43-L46, 2004-11 [SCI] (Fulltext)
  59. Qi C; Ho PTP; ...; Hirano N; Ohashi N; ...; Choi M; et al, "Imaging the Disk around TW Hydrae with the Submillimeter Array" , ASTROPHYSICAL JOURNAL: 616(1), L11-L14, 2004-11 [SCI] (Fulltext)
  60. Kuan YJ; ...; Hirano N; ...; Liu SY; Ohashi N; et al, "Organic Molecules in Low-Mass Protostellar Hot Cores: Submillimeter Imaging of IRAS 16293-2422" , ASTROPHYSICAL JOURNAL: 616(1), L27-L30, 2004-11 [SCI] (Fulltext)
  61. Young KH; ...; Hirano N; Ho PTP; Liu SY; Lo KY; Martin R; Matsushita S; ...; Ohashi N; ...; Patt F; …; Dihn-V-Trung, "Submillimeter Array Observations of CS J = 14-13 Emission from the Evolved Star IRC +10216" , ASTROPHYSICAL JOURNAL: 616(1), L51-L54, 2004-11 [SCI] (Fulltext)
  62. Takakuwa S; Ohashi N; ...; Hirano N; Choi M; et al, "Submillimeter Array Observations of L1551 IRS 5 in CS J = 7-6" , ASTROPHYSICAL JOURNAL: 616(1), L15-L18, 2004-11 [SCI] (Fulltext)
  63. Takakuwa S; Ohashi N; Hirano N, "Interaction between the Outflow and the Core in IRAM 04191+1522" , ASTROPHYSICAL JOURNAL: Journal 590(2), 932-943, 2003-06 [SCI] (Fulltext)
  64. Takakuwa S; Kamazaki T; Saito M; Hirano N, "H13CO+ and CH3OH Line Observations of Prestellar Dense Cores in the TMC-1C Region. II. Internal Structure" , ASTROPHYSICAL JOURNAL: 584(2), 818-831, 2003-02 [SCI] (Fulltext)
  65. Kamazaki T; Saito M; Hirano N; et al, "Molecular Outflow Search in the rho Ophiuchi A and B2 Regions" , ASTROPHYSICAL JOURNAL: 584(1), 357-367, 2003-02 [SCI] (Fulltext)
  66. Hirano N; Taniguchi Y, "Submillimeter CO emission from shock-heated gas in the L1157 outflow" , ASTROPHYSICAL JOURNAL: 550(2), L219-L222, 2001-04 [SCI] (Fulltext)
TEL: 886-2-3365-2200 FAX: 886-2-2367-7849
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