Normal, dust-obscured galaxies in the epoch of reionization

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Normal, dust-obscured galaxies in the epoch of reionization. / Fudamoto, Y.; Oesch, P. A.; Schouws, S.; Stefanon, M.; Smit, R.; Bouwens, R. J.; Bowler, R. A. A.; Endsley, R.; Gonzalez, V.; Inami, H.; Labbe, I.; Stark, D.; Aravena, M.; Barrufet, L.; da Cunha, E.; Dayal, P.; Ferrara, A.; Graziani, L.; Hodge, J.; Hutter, A.; Li, Y.; De Looze, I.; Nanayakkara, T.; Pallottini, A.; Riechers, D.; Schneider, R.; Ucci, G.; van der Werf, P.; White, C.

In: Nature, Vol. 597, No. 7877, 23.09.2021, p. 489-492.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Fudamoto, Y, Oesch, PA, Schouws, S, Stefanon, M, Smit, R, Bouwens, RJ, Bowler, RAA, Endsley, R, Gonzalez, V, Inami, H, Labbe, I, Stark, D, Aravena, M, Barrufet, L, da Cunha, E, Dayal, P, Ferrara, A, Graziani, L, Hodge, J, Hutter, A, Li, Y, De Looze, I, Nanayakkara, T, Pallottini, A, Riechers, D, Schneider, R, Ucci, G, van der Werf, P & White, C 2021, 'Normal, dust-obscured galaxies in the epoch of reionization', Nature, vol. 597, no. 7877, pp. 489-492. https://doi.org/10.1038/s41586-021-03846-z

APA

Fudamoto, Y., Oesch, P. A., Schouws, S., Stefanon, M., Smit, R., Bouwens, R. J., Bowler, R. A. A., Endsley, R., Gonzalez, V., Inami, H., Labbe, I., Stark, D., Aravena, M., Barrufet, L., da Cunha, E., Dayal, P., Ferrara, A., Graziani, L., Hodge, J., ... White, C. (2021). Normal, dust-obscured galaxies in the epoch of reionization. Nature, 597(7877), 489-492. https://doi.org/10.1038/s41586-021-03846-z

Vancouver

Fudamoto Y, Oesch PA, Schouws S, Stefanon M, Smit R, Bouwens RJ et al. Normal, dust-obscured galaxies in the epoch of reionization. Nature. 2021 Sep 23;597(7877):489-492. https://doi.org/10.1038/s41586-021-03846-z

Author

Fudamoto, Y. ; Oesch, P. A. ; Schouws, S. ; Stefanon, M. ; Smit, R. ; Bouwens, R. J. ; Bowler, R. A. A. ; Endsley, R. ; Gonzalez, V. ; Inami, H. ; Labbe, I. ; Stark, D. ; Aravena, M. ; Barrufet, L. ; da Cunha, E. ; Dayal, P. ; Ferrara, A. ; Graziani, L. ; Hodge, J. ; Hutter, A. ; Li, Y. ; De Looze, I. ; Nanayakkara, T. ; Pallottini, A. ; Riechers, D. ; Schneider, R. ; Ucci, G. ; van der Werf, P. ; White, C. / Normal, dust-obscured galaxies in the epoch of reionization. In: Nature. 2021 ; Vol. 597, No. 7877. pp. 489-492.

Bibtex

@article{f3edd1ae3e1d48ed91545a7c807fbfa5,
title = "Normal, dust-obscured galaxies in the epoch of reionization",
abstract = "Two serendipitously detected dust-obscured galaxies are reported at z = 6.7 and 7.4, with estimates that such galaxies provide an additional 10-25% contribution to the total star formation rate density at z > 6.Over the past decades, rest-frame ultraviolet (UV) observations have provided large samples of UV luminous galaxies at redshift (z) greater than 6 (refs. (1-3)), during the so-called epoch of reionization. While a few of these UV-identified galaxies revealed substantial dust reservoirs(4-7), very heavily dust-obscured sources at these early times have remained elusive. They are limited to a rare population of extreme starburst galaxies(8-12) and companions of rare quasars(13,14). These studies conclude that the contribution of dust-obscured galaxies to the cosmic star formation rate density at z > 6 is sub-dominant. Recent ALMA and Spitzer observations have identified a more abundant, less extreme population of obscured galaxies at z = 3-6 (refs. (15,16)). However, this population has not been confirmed in the reionization epoch so far. Here, we report the discovery of two dust-obscured star-forming galaxies at z = 6.6813 +/- 0.0005 and z = 7.3521 +/- 0.0005. These objects are not detected in existing rest-frame UV data and were discovered only through their far-infrared [C ii] lines and dust continuum emission as companions to typical UV-luminous galaxies at the same redshift. The two galaxies exhibit lower infrared luminosities and star-formation rates than extreme starbursts, in line with typical star-forming galaxies at z approximate to 7. This population of heavily dust-obscured galaxies appears to contribute 10-25% to the z > 6 cosmic star formation rate density.",
keywords = "STAR-FORMING GALAXIES, LUMINOSITY FUNCTION, ALMA SURVEY, EVOLUTION, REDSHIFT, POPULATION, MODEL, MASS",
author = "Y. Fudamoto and Oesch, {P. A.} and S. Schouws and M. Stefanon and R. Smit and Bouwens, {R. J.} and Bowler, {R. A. A.} and R. Endsley and V. Gonzalez and H. Inami and I. Labbe and D. Stark and M. Aravena and L. Barrufet and {da Cunha}, E. and P. Dayal and A. Ferrara and L. Graziani and J. Hodge and A. Hutter and Y. Li and {De Looze}, I. and T. Nanayakkara and A. Pallottini and D. Riechers and R. Schneider and G. Ucci and {van der Werf}, P. and C. White",
year = "2021",
month = sep,
day = "23",
doi = "10.1038/s41586-021-03846-z",
language = "English",
volume = "597",
pages = "489--492",
journal = "Nature",
issn = "0028-0836",
publisher = "nature publishing group",
number = "7877",

}

RIS

TY - JOUR

T1 - Normal, dust-obscured galaxies in the epoch of reionization

AU - Fudamoto, Y.

AU - Oesch, P. A.

AU - Schouws, S.

AU - Stefanon, M.

AU - Smit, R.

AU - Bouwens, R. J.

AU - Bowler, R. A. A.

AU - Endsley, R.

AU - Gonzalez, V.

AU - Inami, H.

AU - Labbe, I.

AU - Stark, D.

AU - Aravena, M.

AU - Barrufet, L.

AU - da Cunha, E.

AU - Dayal, P.

AU - Ferrara, A.

AU - Graziani, L.

AU - Hodge, J.

AU - Hutter, A.

AU - Li, Y.

AU - De Looze, I.

AU - Nanayakkara, T.

AU - Pallottini, A.

AU - Riechers, D.

AU - Schneider, R.

AU - Ucci, G.

AU - van der Werf, P.

AU - White, C.

PY - 2021/9/23

Y1 - 2021/9/23

N2 - Two serendipitously detected dust-obscured galaxies are reported at z = 6.7 and 7.4, with estimates that such galaxies provide an additional 10-25% contribution to the total star formation rate density at z > 6.Over the past decades, rest-frame ultraviolet (UV) observations have provided large samples of UV luminous galaxies at redshift (z) greater than 6 (refs. (1-3)), during the so-called epoch of reionization. While a few of these UV-identified galaxies revealed substantial dust reservoirs(4-7), very heavily dust-obscured sources at these early times have remained elusive. They are limited to a rare population of extreme starburst galaxies(8-12) and companions of rare quasars(13,14). These studies conclude that the contribution of dust-obscured galaxies to the cosmic star formation rate density at z > 6 is sub-dominant. Recent ALMA and Spitzer observations have identified a more abundant, less extreme population of obscured galaxies at z = 3-6 (refs. (15,16)). However, this population has not been confirmed in the reionization epoch so far. Here, we report the discovery of two dust-obscured star-forming galaxies at z = 6.6813 +/- 0.0005 and z = 7.3521 +/- 0.0005. These objects are not detected in existing rest-frame UV data and were discovered only through their far-infrared [C ii] lines and dust continuum emission as companions to typical UV-luminous galaxies at the same redshift. The two galaxies exhibit lower infrared luminosities and star-formation rates than extreme starbursts, in line with typical star-forming galaxies at z approximate to 7. This population of heavily dust-obscured galaxies appears to contribute 10-25% to the z > 6 cosmic star formation rate density.

AB - Two serendipitously detected dust-obscured galaxies are reported at z = 6.7 and 7.4, with estimates that such galaxies provide an additional 10-25% contribution to the total star formation rate density at z > 6.Over the past decades, rest-frame ultraviolet (UV) observations have provided large samples of UV luminous galaxies at redshift (z) greater than 6 (refs. (1-3)), during the so-called epoch of reionization. While a few of these UV-identified galaxies revealed substantial dust reservoirs(4-7), very heavily dust-obscured sources at these early times have remained elusive. They are limited to a rare population of extreme starburst galaxies(8-12) and companions of rare quasars(13,14). These studies conclude that the contribution of dust-obscured galaxies to the cosmic star formation rate density at z > 6 is sub-dominant. Recent ALMA and Spitzer observations have identified a more abundant, less extreme population of obscured galaxies at z = 3-6 (refs. (15,16)). However, this population has not been confirmed in the reionization epoch so far. Here, we report the discovery of two dust-obscured star-forming galaxies at z = 6.6813 +/- 0.0005 and z = 7.3521 +/- 0.0005. These objects are not detected in existing rest-frame UV data and were discovered only through their far-infrared [C ii] lines and dust continuum emission as companions to typical UV-luminous galaxies at the same redshift. The two galaxies exhibit lower infrared luminosities and star-formation rates than extreme starbursts, in line with typical star-forming galaxies at z approximate to 7. This population of heavily dust-obscured galaxies appears to contribute 10-25% to the z > 6 cosmic star formation rate density.

KW - STAR-FORMING GALAXIES

KW - LUMINOSITY FUNCTION

KW - ALMA SURVEY

KW - EVOLUTION

KW - REDSHIFT

KW - POPULATION

KW - MODEL

KW - MASS

U2 - 10.1038/s41586-021-03846-z

DO - 10.1038/s41586-021-03846-z

M3 - Journal article

C2 - 34552254

VL - 597

SP - 489

EP - 492

JO - Nature

JF - Nature

SN - 0028-0836

IS - 7877

ER -

ID: 281222218