Kazuyuki Omukai

Professor

  • 5974 Citations
  • 38 h-Index
19982020

Research output per year

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Research Output

2020

The Birth of a Massive First-star Binary

Sugimura, K., Matsumoto, T., Hosokawa, T., Hirano, S. & Omukai, K., 2020 Mar 20, In : Astrophysical Journal Letters. 892, 1, L14.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Thermal evolution of protoplanetary disks: From β -cooling to decoupled gas and dust temperatures

Vorobyov, E. I., Matsukoba, R., Omukai, K. & Guedel, M., 2020 Jun 1, In : Astronomy and Astrophysics. 638, 202037841.

Research output: Contribution to journalArticle

Open Access
2019

Gravitational stability and fragmentation condition for discs around accreting supermassive stars

Matsukoba, R., Takahashi, S. Z., Sugimura, K. & Omukai, K., 2019 Jan 1, In : Monthly Notices of the Royal Astronomical Society. 484, 2, p. 2605-2619 15 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Ionization degree and magnetic diffusivity in the primordial star-forming clouds

Nakauchi, D., Omukai, K. & Susa, H., 2019 Jan 1, In : Monthly Notices of the Royal Astronomical Society. 488, 2, p. 1846-1862 17 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Spectral energy distribution of the first galaxies: Contribution from pre-main-sequence stars

Mitani, H., Yoshida, N., Omukai, K. & Hosokawa, T., 2019 Sep 1, In : Monthly Notices of the Royal Astronomical Society: Letters. 488, 1, p. L64-L68

Research output: Contribution to journalArticle

2018

Condition for dust evacuation from the first galaxies

Fukushima, H., Yajima, H. & Omukai, K., 2018 Jun 11, In : Monthly Notices of the Royal Astronomical Society. 477, 1, p. 1071-1085 15 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Condition for low-mass star formation in shock-compressed metal-poor clouds

Nakauchi, D., Omukai, K. & Schneider, R., 2018 Jan 1, In : Monthly Notices of the Royal Astronomical Society. 480, 1, p. 1043-1056 14 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Probing the high-redshift universe with SPICA: Toward the epoch of reionisation and beyond

Egami, E., Gallerani, S., Schneider, R., Pallottini, A., Vallini, L., Sobacchi, E., Ferrara, A., Bianchi, S., Bocchio, M., Marassi, S., Armus, L., Spinoglio, L., Blain, A. W., Bradford, M., Clements, D. L., Dannerbauer, H., Fernández-Ontiveros, J. A., González-Alfonso, E., Griffin, M. J., Gruppioni, C. & 19 others, Kaneda, H., Kohno, K., Madden, S. C., Matsuhara, H., Najarro, F., Nakagawa, T., Oliver, S., Omukai, K., Onaka, T., Pearson, C., Perez-Fournon, I., Pérez-González, P. G., Schaerer, D., Scott, D., Serjeant, S., Smith, J. D., Van Der Tak, F. F. S., Wada, T. & Yajima, H., 2018, In : Publications of the Astronomical Society of Australia. 35, e048.

Research output: Contribution to journalReview article

7 Citations (Scopus)

Stunted accretion growth of black holes by combined effect of the flow angular momentum and radiation feedback

Sugimura, K., Hosokawa, T., Yajima, H., Inayoshi, K. & Omukai, K., 2018 Aug 1, In : Monthly Notices of the Royal Astronomical Society. 478, 3, p. 3961-3975 15 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Upper stellar mass limit by radiative feedback at low-metallicities: Metallicity and accretion rate dependence

Fukushima, H., Omukai, K. & Hosokawa, T., 2018 Jan 1, In : Monthly Notices of the Royal Astronomical Society. 473, 4, p. 4754-4772 19 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
2017

Do stellar winds prevent the formation of supermassive stars by accretion?

Nakauchi, D., Hosokawa, T., Omukai, K., Saio, H. & Nomoto, K., 2017 Jan 1, In : Monthly Notices of the Royal Astronomical Society. 465, 4, p. 5016-5025 10 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Fates of the dense cores formed by fragmentation of filaments: Do they fragment again or not?

Sugimura, K., Mizuno, Y., Matsumoto, T. & Omukai, K., 2017 Aug 1, In : Monthly Notices of the Royal Astronomical Society. 469, 4, p. 4022-4033 12 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Francesco's legacy in primordial star formation studies

Omukai, K., 2017 Jan 1, In : Memorie della Societa Astronomica Italiana - Journal of the Italian Astronomical Society. 88, 4, p. 697-701 5 p.

Research output: Contribution to journalConference article

Limits on Population III star formation with the most iron-poor stars

de Bennassuti, M., Salvadori, S., Schneider, R., Valiante, R. & Omukai, K., 2017, In : Monthly Notices of the Royal Astronomical Society. 465, 1, p. 926-940 15 p.

Research output: Contribution to journalArticle

35 Citations (Scopus)

Primordial protostars accreting beyond the ΩΓ-limit: Radiation effect around the star-disc boundary

Takahashi, S. Z. & Omukai, K., 2017 Jan 1, In : Monthly Notices of the Royal Astronomical Society. 472, 1, p. 532-541 10 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Rapid black hole growth under anisotropic radiation feedback

Sugimura, K., Hosokawa, T., Hosokawa, T., Hosokawa, T., Yajima, H., Yajima, H., Omukai, K. & Omukai, K., 2017 Jul 1, In : Monthly Notices of the Royal Astronomical Society. 469, 1, p. 62-79 18 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Supermassive star formation with non-LTE primordial-gas chemistry

Sugimura, K., Coppola, C. M., Omukai, K., Galli, D. & Palla, F., 2017 Jan 1, In : Memorie della Societa Astronomica Italiana - Journal of the Italian Astronomical Society. 88, 4, p. 860-861 2 p.

Research output: Contribution to journalConference article

1 Citation (Scopus)

Triggering the Formation of Direct Collapse Black Holes by Their Congeners

Yue, B., Ferrara, A., Pacucci, F. & Omukai, K., 2017 Apr 1, In : Astrophysical Journal. 838, 2, 111.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2016

FORMATION of MASSIVE PRIMORDIAL STARS: INTERMITTENT UV FEEDBACK with EPISODIC MASS ACCRETION

Hosokawa, T., Hirano, S., Kuiper, R., Yorke, H. W., Omukai, K. & Yoshida, N., 2016 Jun 20, In : Astrophysical Journal. 824, 2, 119.

Research output: Contribution to journalArticle

87 Citations (Scopus)

From the first stars to the first black holes

Valiante, R., Schneider, R., Volonteri, M. & Omukai, K., 2016 Apr 11, In : Monthly Notices of the Royal Astronomical Society. 457, 3, p. 3356-3371 16 p., stw127.

Research output: Contribution to journalArticle

36 Citations (Scopus)

Impact of dust cooling on direct-collapse black hole formation

Latif, M. A., Omukai, K., Habouzit, M., Schleicher, D. R. G. & Volonteri, M., 2016 May 20, In : Astrophysical Journal. 823, 1, 40.

Research output: Contribution to journalArticle

20 Citations (Scopus)

Role of the H+2 channel in the primordial star formation under strong radiation field and the critical intensity for the supermassive star formation

Sugimura, K., Coppola, C. M., Omukai, K., Galli, D. & Palla, F., 2016 Jan 1, In : Monthly Notices of the Royal Astronomical Society. 456, 1, p. 270-277 8 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Supermassive star formation via episodic accretion: Protostellar disc instability and radiative feedback efficiency

Sakurai, Y., Vorobyov, E. I., Hosokawa, T., Yoshida, N., Omukai, K. & Yorke, H. W., 2016 Jun 21, In : Monthly Notices of the Royal Astronomical Society. 459, 2, p. 1137-1145 9 p.

Research output: Contribution to journalArticle

29 Citations (Scopus)

THE FINAL FATES of ACCRETING SUPERMASSIVE STARS

Umeda, H., Hosokawa, T., Omukai, K. & Yoshida, N., 2016 Oct 20, In : Astrophysical Journal Letters. 830, 2, L34.

Research output: Contribution to journalArticle

33 Citations (Scopus)
2015

Dissipation of magnetic fields in star-forming clouds with different metallicities

Susa, H., Doi, K. & Omukai, K., 2015 Mar 1, In : Astrophysical Journal. 801, 1, 13.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Primordial star formation under the influence of far ultraviolet radiation: 1540 cosmological haloes and the stellar mass distribution

Hirano, S., Hosokawa, T., Yoshida, N., Omukai, K. & Yorke, H. W., 2015 Mar 21, In : Monthly Notices of the Royal Astronomical Society. 448, 1, p. 568-587 20 p.

Research output: Contribution to journalArticle

100 Citations (Scopus)

Supernova dust formation and the grain growth in the early universe: The critical metallicity for low-mass star formation

Chiaki, G., Marassi, S., Nozawa, T., Yoshida, N., Schneider, R., Omukai, K., Limongi, M. & Chieffi, A., 2015, In : Monthly Notices of the Royal Astronomical Society. 446, 3, p. 2659-2672 14 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)

THERMAL INSTABILITY AND MULTI-PHASE INTERSTELLAR MEDIUM IN THE FIRST GALAXIES

Inoue, T. & Omukai, K., 2015 May 20, In : Astrophysical Journal. 805, 1, 73.

Research output: Contribution to journalArticle

12 Citations (Scopus)
2014
9 Citations (Scopus)

Dust grain growth and the formation of the extremely primitive star SDSS J102915+172927

Chiaki, G., Schneider, R., Nozawa, T., Omukai, K., Limongi, M., Yoshida, N. & Chieffi, A., 2014 Apr, In : Monthly Notices of the Royal Astronomical Society. 439, 3, p. 3121-3127 7 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Formation of an embryonic supermassive star in the first galaxy

Inayoshi, K., Omukai, K. & Tasker, E., 2014, In : Monthly Notices of the Royal Astronomical Society: Letters. 445, 1, p. L109-L113

Research output: Contribution to journalArticle

47 Citations (Scopus)

Gravitational instability in protostellar discs at low metallicities

Tanaka, K. E. I. & Omukai, K., 2014 Apr, In : Monthly Notices of the Royal Astronomical Society. 439, 2, p. 1884-1896 13 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)

One hundred first stars: Protostellar evolution and the final masses

Hirano, S., Hosokawa, T., Yoshida, N., Umeda, H., Omukai, K., Chiaki, G. & Yorke, H. W., 2014 Feb 1, In : Astrophysical Journal. 781, 2, 60.

Research output: Contribution to journalArticle

257 Citations (Scopus)

The critical radiation intensity for direct collapse black hole formation: Dependence on the radiation spectral shape

Sugimura, K., Omukai, K. & Inoue, A. K., 2014 Oct 8, In : Monthly Notices of the Royal Astronomical Society. 445, 1, p. 544-553 10 p.

Research output: Contribution to journalArticle

78 Citations (Scopus)

The origin of the most iron-poor star

Marassi, S., Chiaki, G., Schneider, R., Limongi, M., Omukai, K., Nozawa, T., Chieffi, A. & Yoshida, N., 2014 Oct 20, In : Astrophysical Journal. 794, 2, 100.

Research output: Contribution to journalArticle

30 Citations (Scopus)
2013

Formation of primordial supermassive stars by rapid mass accretion

Hosokawa, T., Yorke, H. W., Inayoshi, K., Omukai, K. & Yoshida, N., 2013 Dec 1, In : Astrophysical Journal. 778, 2, 178.

Research output: Contribution to journalArticle

122 Citations (Scopus)

Photoevaporation of circumstellar disks revisited: The dust-free case

Tanaka, K. E. I., Nakamoto, T. & Omukai, K., 2013 Aug 20, In : Astrophysical Journal. 773, 2, 155.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Pulsational instability of supergiant protostars: Do they grow supermassive by accretion?

Inayoshi, K., Hosokawa, T. & Omukai, K., 2013 May 1, In : Monthly Notices of the Royal Astronomical Society. 431, 4, p. 3036-3044 9 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)
2012

Dissipation of magnetic fields in low-metallicity clouds

Doi, K., Susa, H. & Omukai, K., 2012 Dec 1, First Stars IV - From Hayashi to the Future -. p. 349-351 3 p. (AIP Conference Proceedings; vol. 1480).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Formation of the first stars in the universe

Yoshida, N., Hosokawa, T. & Omukai, K., 2012 Jan 1, In : Progress of Theoretical and Experimental Physics. 2012, 1, 01A305.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Preface: FIRST STARS IV - From Hayashi to the Future

Umemura, M. & Omukai, K., 2012 Dec 1, In : AIP Conference Proceedings. 1480, p. 1-2 2 p.

Research output: Contribution to journalEditorial

Protostellar feedback and final mass of the second-generation primordial stars

Hosokawa, T., Yoshida, N., Omukai, K. & Yorke, H. W., 2012 Dec 1, In : Astrophysical Journal Letters. 760, 2, L37.

Research output: Contribution to journalArticle

43 Citations (Scopus)

Radiative feedback from primordial protostars and final mass of the first stars

Hosokawa, T., Omukai, K., Yoshida, N. & Yorke, H. W., 2012 Dec 1, First Stars IV - From Hayashi to the Future -. p. 91-96 6 p. (AIP Conference Proceedings; vol. 1480).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Rapidly accreting supergiant protostars: Embryos of supermassive black holes?

Hosokawa, T., Omukai, K. & Yorke, H. W., 2012 Sep 1, In : Astrophysical Journal. 756, 1, 93.

Research output: Contribution to journalArticle

81 Citations (Scopus)

Supermassive black hole formation by cold accretion shocks in the first galaxies

Inayoshi, K. & Omukai, K., 2012 May, In : Monthly Notices of the Royal Astronomical Society. 422, 3, p. 2539-2546 8 p.

Research output: Contribution to journalArticle

69 Citations (Scopus)

Supermassive black hole formation by the cold accretion shocks in the first galaxies

Inayoshi, K. & Omukai, K., 2012 Dec 1, First Stars IV - From Hayashi to the Future -. p. 309-312 4 p. (AIP Conference Proceedings; vol. 1480).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

The first low-mass stars: Critical metallicity or dust-to-gas ratio?

Schneider, R., Omukai, K., Bianchi, S. & Valiante, R., 2012 Jan 1, In : Monthly Notices of the Royal Astronomical Society. 419, 2, p. 1566-1575 10 p.

Research output: Contribution to journalArticle

86 Citations (Scopus)

The formation of the extremely primitive star SDSS J102915+172927 relies on dust

Schneider, R., Omukai, K., Limongi, M., Ferrara, A., Salvaterra, R., Chieffi, A. & Bianchi, S., 2012 Jun 1, In : Monthly Notices of the Royal Astronomical Society: Letters. 423, 1, p. L60-L64

Research output: Contribution to journalArticle

61 Citations (Scopus)