Yoshimasa Watanabe

发表

TENTATIVE DETECTION OF DEUTERATED METHANE TOWARD THE LOW-MASS PROTOSTAR IRAS 04368+2557 IN L1527

N. Sakai, T. Hirota, S. Yamamoto, 2012, 1209.1555.

Molecular Distributions of the Protostellar Envelope and the Outflow of IRAS 15398–3359: Principal Component Analysis

N. Sakai, S. Yamamoto, Yoshimasa Watanabe, 2020, The Astrophysical Journal.

Low-noise 1.5 THz waveguide-type hot-electron bolometer mixers using relatively thick NbTiN superconducting film

H. Maezawa, N. Sakai, S. Yamamoto, 2015 .

CO Multi-line Imaging of Nearby Galaxies (COMING). III. Dynamical effect on molecular gas density and star formation in the barred spiral galaxy NGC 4303

Takahiro Tanaka, M. Seta, T. Takeuchi, 2019, Publications of the Astronomical Society of Japan.

CO Multi-line Imaging of Nearby Galaxies (COMING). VI. Radial variations in star formation efficiency

Takahiro Tanaka, M. Seta, T. Takeuchi, 2019, Publications of the Astronomical Society of Japan.

Misaligned Rotations of the Envelope, Outflow, and Disks in the Multiple Protostellar System of VLA 1623–2417: FAUST. III

J. Pineda, L. Testi, P. Caselli, 2022, The Astrophysical Journal.

FAUST. II. Discovery of a Secondary Outflow in IRAS 15398−3359: Variability in Outflow Direction during the Earliest Stage of Star Formation?

J. Pineda, L. Testi, P. Caselli, 2021, 2101.07404.

Rotation in the NGC 1333 IRAS 4C Outflow

N. Sakai, C. Ceccarelli, B. Lefloch, 2018, The Astrophysical Journal.

Refined molecular gas mass and star-formation efficiency in NGC 3627

N. Kuno, A. Habe, K. Sorai, 2011 .

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

N. Sakai, S. Yamamoto, T. Sakai, 2012 .

SPECTRAL LINE SURVEY TOWARD MOLECULAR CLOUDS IN THE LARGE MAGELLANIC CLOUD

N. Sakai, A. Kawamura, Y. Nishimura, 2015, 1512.02327.

ABUNDANCE ANOMALY OF THE 13C ISOTOPIC SPECIES OF c-C3H2 IN THE LOW-MASS STAR FORMATION REGION L1527

C. Vastel, N. Sakai, E. Caux, 2015, 1505.03262.

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

N. Sakai, C. Ceccarelli, B. Lefloch, 2018, The Astrophysical Journal Supplement Series.

Exploring the 100 au Scale Structure of the Protobinary System NGC 2264 CMM3 with ALMA

N. Sakai, T. Hirota, S. Yamamoto, 2021, The Astrophysical Journal.

Large-Scale NH3 Observations toward the Galactic Star-Forming Regions I. W 51 Molecular Cloud Complex

T. Minamidani, A. Habe, K. Sorai, 2008 .

Spectral Line Survey Toward Quiescent Giant Molecular Clouds in the Large Magellanic Cloud

N. Sakai, A. Kawamura, Y. Nishimura, 2015 .

Rotating Motion of the Outflow of IRAS 16293-2422 A1 at Its Origin Point Near the Protostar

C. Ceccarelli, B. Lefloch, S. Yamamoto, 2021, The Astrophysical Journal.

SPECTRAL LINE SURVEY TOWARD THE YOUNG MASSIVE PROTOSTAR NGC 2264 CMM3 IN THE 4 mm, 3 mm, AND 0.8 mm BANDS

N. Sakai, T. Hirota, S. Yamamoto, 2015, 1507.04958.

CO Multi-line Imaging of Nearby Galaxies (COMING). VII. Fourier decomposition of molecular gas velocity fields and bar pattern speed

Takahiro Tanaka, M. Seta, T. Takeuchi, 2019, Publications of the Astronomical Society of Japan.

GEOMETRIC AND KINEMATIC STRUCTURE OF THE OUTFLOW/ENVELOPE SYSTEM OF L1527 REVEALED BY SUBARCSECOND-RESOLUTION OBSERVATION OF CS

N. Sakai, C. Ceccarelli, B. Lefloch, 2015, 1604.08005.

Stacking analysis of 12CO and 13CO spectra of NGC 3627: Existence of non-optically thick 12CO emission?

N. Kuno, K. Morokuma-Matsui, K. Sorai, 2014, 1409.7982.

Change in the chemical composition of infalling gas forming a disk around a protostar

C. Vastel, N. Sakai, E. Caux, 2014, Nature.

Molecular Distributions of the Disk/Envelope System of L483: Principal Component Analysis for the Image Cube Data

S. Yamamoto, Yoshimasa Watanabe, Y. Oya, 2021, The Astrophysical Journal.

SUBARCSECOND ANALYSIS OF THE INFALLING-ROTATING ENVELOPE AROUND THE CLASS I PROTOSTAR IRAS 04365+2535

C. Vastel, N. Sakai, E. Caux, 2016, 1603.08608.

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

C. Vastel, N. Sakai, E. Caux, 2019, The Astrophysical Journal.

An unbiased spectral line survey observation toward the low-mass star-forming region L1527

N. Sakai, Y. Nishimura, S. Yamamoto, 2019, Publications of the Astronomical Society of Japan.

DISCOVERY OF A HOT CORINO IN THE BOK GLOBULE B335

C. Vastel, N. Sakai, E. Caux, 2016, 1610.03942.

AN UNBIASED SPECTRAL LINE SURVEY TOWARD R CrA IRS7B IN THE 345 GHz WINDOW WITH ASTE

N. Sakai, J. Jørgensen, S. Bisschop, 2011, 1110.2226.

A SUBSTELLAR-MASS PROTOSTAR AND ITS OUTFLOW OF IRAS 15398−3359 REVEALED BY SUBARCSECOND-RESOLUTION OBSERVATIONS of H2CO AND CCH

N. Sakai, J. Jørgensen, S. Bisschop, 2014, 1410.5945.

THE ROLE OF SiO AS A TRACER OF PAST STAR FORMATION EVENTS: THE CASE OF THE HIGH-MASS PROTOCLUSTER NGC 2264-C

N. Sakai, S. Yamamoto, A. L'opez-Sepulcre, 2016, 1603.05885.

Laboratory Measurement of Millimeter-wave Transitions of 13CH2DOH for Astronomical Use

N. Sakai, T. Sakai, S. Zeng, 2022, The Astrophysical Journal.

Sub-arcsecond Kinematic Structure of the Outflow in the Vicinity of the Protostar in L483

N. Sakai, C. Ceccarelli, B. Lefloch, 2018, The Astrophysical Journal.

Chemical Differentiation and Temperature Distribution on a Few au Scale around the Protostellar Source B335

N. Sakai, S. Yamamoto, K. Saigo, 2022, The Astrophysical Journal.

Chemical and Physical Characterization of the Isolated Protostellar Source CB68: FAUST IV

L. Testi, P. Caselli, H. Liu, 2022, The Astrophysical Journal.

Chemical and Physical Picture of IRAS 16293–2422 Source B at a Sub-arcsecond Scale Studied with ALMA

N. Sakai, C. Ceccarelli, B. Lefloch, 2018, 1801.04174.

Probing the effects of external irradiation on low-mass protostars through unbiased line surveys

N. Sakai, J. Jørgensen, S. Bisschop, 2015, 1509.02514.

A CHEMICAL VIEW OF PROTOSTELLAR-DISK FORMATION IN L1527

C. Vastel, N. Sakai, E. Caux, 2014 .

Deuterium Fractionation Survey Toward Protostellar Sources in the Perseus Molecular Cloud: HNC Case

N. Sakai, C. Ceccarelli, B. Lefloch, 2018, The Astrophysical Journal.

Spectrometer Using superconductor MIxer Receiver (SUMIRE) for laboratory submillimeter spectroscopy

N. Sakai, T. Sakai, Yoshimasa Watanabe, 2021, 2101.02960.

Unveiling a Few Astronomical Unit Scale Rotation Structure around the Protostar in B335

N. Sakai, S. Yamamoto, Yoshimasa Watanabe, 2019, The Astrophysical Journal.

Complex Organic Molecules in Taurus Molecular Cloud-1

N. Sakai, S. Yamamoto, Yoshimasa Watanabe, 2018 .

Vertical structure of the transition zone from infalling rotating envelope to disc in the Class 0 protostar, IRAS 04368+2557

C. Vastel, N. Sakai, E. Caux, 2017, 1703.07931.

METHANOL IN THE STARLESS CORE, TAURUS MOLECULAR CLOUD-1

N. Sakai, S. Yamamoto, Yoshimasa Watanabe, 2015 .

The Co-evolution of Disks and Stars in Embedded Stages: The Case of the Very-low-mass Protostar IRAS 15398–3359

N. Sakai, J. Jørgensen, S. Yamamoto, 2018, The Astrophysical Journal.

Properties of Molecular Gas in the Bar of Maffei 2

A. Hirota, N. Kuno, A. Habe, 2012 .

Molecular Composition of Local Dwarf Galaxies: Astrochemistry in Low-metallicity Environments

K. Kohno, N. Sakai, A. Kawamura, 2018, Proceedings of the International Astronomical Union.

Atomic Carbon [CI]$(^3P_1-^3P_0)$ Mapping of the Nearby Galaxy M83

M. Seta, N. Kuno, Yoshimasa Watanabe, 2021, 2103.03876.

Protostellar chemistry dominated by external irradiation

N. Sakai, S. Charnley, J. Jørgensen, 2015, Proceedings of the International Astronomical Union.

Molecular-cloud-scale Chemical Composition. II. Mapping Spectral Line Survey toward W3(OH) in the 3 mm Band

Nami Sakai, Nanase Harada, Yuri Nishimura, 2017, 1708.09594.

Depletion of 15N in the center of L1544: Early transition from atomic to molecular nitrogen?

S. Yamamoto, T. Sakai, K. Furuya, 2018, Astronomy & Astrophysics.

The Perseus ALMA Chemistry Survey (PEACHES). I. The Complex Organic Molecules in Perseus Embedded Protostars

N. Sakai, C. Ceccarelli, B. Lefloch, 2021, 2101.11009.

CO multi-line imaging of nearby galaxies (COMING). IV. Overview of the project

Naoko Matsumoto, Mayu Kuroda, Hiroyuki Baji, 2019, Publications of the Astronomical Society of Japan.

Cold Molecular Gas in Merger Remnants. II. The Properties of Dense Molecular Gas

D. Iono, M. Yun, R. Snell, 2021, The Astrophysical Journal Supplement Series.

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

C. Vastel, N. Sakai, E. Caux, 2017, 1703.03653.

INFALLING–ROTATING MOTION AND ASSOCIATED CHEMICAL CHANGE IN THE ENVELOPE OF IRAS 16293–2422 SOURCE A STUDIED WITH ALMA

N. Sakai, C. Ceccarelli, B. Lefloch, 2016, 1605.00340.

Detection of CO(J=1-0) Emission from Barred Spiral Galaxies at z~0.1

N. Kuno, K. Sorai, Yoshimasa Watanabe, 2011, 1112.6091.

Line surveys of irradiated protostars: Photo-destruction and evaporation

N. Sakai, S. Charnley, J. Jørgensen, 2015, Proceedings of the International Astronomical Union.

NH$_{3}$ Survey Observation of Massive Star-Forming Region W 43

T. Minamidani, A. Habe, K. Sorai, 2012 .

Chemistry and Physics of a Low-metallicity Hot Core in the Large Magellanic Cloud

T. Onaka, N. Sakai, Y. Nishimura, 2020, The Astrophysical Journal.

A 3 mm Spectral Line Survey toward the Barred Spiral Galaxy NGC 3627

N. Sakai, Y. Nishimura, N. Kuno, 2019, The Astrophysical Journal Supplement Series.

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

N. Sakai, T. Hirota, S. Yamamoto, 2017, 1708.07582.

Molecular Gas Density Measured with H2CO and CS toward a Spiral Arm of M51

K. Kohno, Y. Nishimura, S. Yamamoto, 2019, The Astrophysical Journal.

Molecular-cloud-scale Chemical Composition. III. Constraints of Average Physical Properties through Chemical Models

N. Sakai, Y. Nishimura, T. Shimonishi, 2018, The Astrophysical Journal.

A Multiline Study of a High-mass Young Stellar Object in the Small Magellanic Cloud with ALMA: The Detection of Methanol Gas at 0.2 Solar Metallicity

T. Onaka, N. Sakai, A. Kawamura, 2018, The Astrophysical Journal.

MOLECULAR DISTRIBUTION IN THE SPIRAL ARM OF M51

N. Sakai, S. Yamamoto, J. Ueda, 2016, 1601.06874.

Chemical Evolution along the Circumnuclear Ring of M83

A. Hirota, S. Martín, R. Aladro, 2019, The Astrophysical Journal.

Diverse Molecular Structures across the Whole Star-forming Disk of M83: High-fidelity Imaging at 40 pc Resolution

L. Ho, D. Calzetti, B. Madore, 2023, The Astrophysical Journal.

Atomic carbon [C i](3P1–3P0) mapping of the nearby galaxy M 83

M. Seta, N. Kuno, Yoshimasa Watanabe, 2021 .

Systematic Variations of CO J = 2−1/1–0 Ratio and Their Implications in The Nearby Barred Spiral Galaxy M83

L. Ho, D. Calzetti, A. Hirota, 2020, The Astrophysical Journal.

Complex organics in IRAS 4A revisited with ALMA and PdBI: Striking contrast between two neighbouring protostellar cores

R. Neri, C. Vastel, N. Sakai, 2017, 1707.03745.

ALMA observations of the dense and shocked gas in the nuclear region of NGC 4038 (Antennae galaxies)

D. Iono, G. Fazio, D. Wilner, 2016, 1611.00002.

SPECTRAL LINE SURVEY TOWARD THE SPIRAL ARM OF M51 IN THE 3 AND 2 mm BANDS

N. Sakai, S. Yamamoto, K. Sorai, 2014, 1404.1202.

Laboratory Measurement of CH2DOH Line Intensities in the Millimeter-wave Region

N. Sakai, T. Sakai, S. Zeng, 2023, The Astrophysical Journal.

Laboratory Measurement of Millimeter-wave Transitions of 13CH2DOH for Astronomical Use

N. Sakai, T. Sakai, S. Zeng, 2022, The Astrophysical Journal.

SPECTRAL LINE SURVEY TOWARD A MOLECULAR CLOUD IN IC10

N. Sakai, A. Kawamura, Y. Nishimura, 2016, 1608.01099.