New Determinations of the UV Luminosity Functions from z similar to 9 to 2 Show a Remarkable Consistency with Halo Growth and a Constant Star Formation Efficiency

Research output: Contribution to journalJournal articlepeer-review

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New Determinations of the UV Luminosity Functions from z similar to 9 to 2 Show a Remarkable Consistency with Halo Growth and a Constant Star Formation Efficiency. / Bouwens, R. J.; Oesch, P. A.; Stefanon, M.; Illingworth, G.; Labbe, Geneviève M; Reddy, N.; Atek, H.; Montes, M.; Naidu, R.; Nanayakkara, T.; Nelson, E.; Wilkins, S.

In: Astronomical Journal, Vol. 162, No. 2, 47, 02.08.2021.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Bouwens, RJ, Oesch, PA, Stefanon, M, Illingworth, G, Labbe, GM, Reddy, N, Atek, H, Montes, M, Naidu, R, Nanayakkara, T, Nelson, E & Wilkins, S 2021, 'New Determinations of the UV Luminosity Functions from z similar to 9 to 2 Show a Remarkable Consistency with Halo Growth and a Constant Star Formation Efficiency', Astronomical Journal, vol. 162, no. 2, 47. https://doi.org/10.3847/1538-3881/abf83e

APA

Bouwens, R. J., Oesch, P. A., Stefanon, M., Illingworth, G., Labbe, G. M., Reddy, N., Atek, H., Montes, M., Naidu, R., Nanayakkara, T., Nelson, E., & Wilkins, S. (2021). New Determinations of the UV Luminosity Functions from z similar to 9 to 2 Show a Remarkable Consistency with Halo Growth and a Constant Star Formation Efficiency. Astronomical Journal, 162(2), [47]. https://doi.org/10.3847/1538-3881/abf83e

Vancouver

Bouwens RJ, Oesch PA, Stefanon M, Illingworth G, Labbe GM, Reddy N et al. New Determinations of the UV Luminosity Functions from z similar to 9 to 2 Show a Remarkable Consistency with Halo Growth and a Constant Star Formation Efficiency. Astronomical Journal. 2021 Aug 2;162(2). 47. https://doi.org/10.3847/1538-3881/abf83e

Author

Bouwens, R. J. ; Oesch, P. A. ; Stefanon, M. ; Illingworth, G. ; Labbe, Geneviève M ; Reddy, N. ; Atek, H. ; Montes, M. ; Naidu, R. ; Nanayakkara, T. ; Nelson, E. ; Wilkins, S. / New Determinations of the UV Luminosity Functions from z similar to 9 to 2 Show a Remarkable Consistency with Halo Growth and a Constant Star Formation Efficiency. In: Astronomical Journal. 2021 ; Vol. 162, No. 2.

Bibtex

@article{b62a727dc307488eb66a59e3eccf5b21,
title = "New Determinations of the UV Luminosity Functions from z similar to 9 to 2 Show a Remarkable Consistency with Halo Growth and a Constant Star Formation Efficiency",
abstract = "Here we provide the most comprehensive determinations of the rest-frame UV luminosity function (LF) available to date with the Hubble Space Telescope (HST) at z similar to 2-9. Essentially all of the noncluster extragalactic legacy fields are utilized, including the Hubble Ultra Deep Field, the Hubble Frontier Fields parallel fields, and all five CANDELS fields, for a total survey area of 1136 arcmin(2). Our determinations include galaxies at z similar to 2-3 leveraging the deep HDUV, UVUDF, and ERS WFC3/UVIS observations available over an similar to 150 arcmin(2) area in the GOODS-North and GOODS-South regions. All together, our collective samples include >24,000 sources, >2.3x larger than previous selections with HST. We identify 5766, 6332, 7240, 3449, 1066, 601, 246, and 33 sources at z similar to 2, 3, 4, 5, 6, 7, 8, and 9, respectively. Combining our results with an earlier z similar to 10 LF determination by Oesch et al., we quantify the evolution of the UV LF. Our results indicate that there is (1) a smooth flattening of the faint-end slope alpha from alpha similar to -2.4 at z similar to 10 to alpha similar to -1.5 at z similar to 2, (2) minimal evolution in the characteristic luminosity M* at z >= 2.5, and (3) a monotonic increase in the normalization log(10) phi* from z similar to 10 to 2, which can be well described by a simple second-order polynomial, consistent with an {"}accelerated{"} evolution scenario. We find that each of these trends (from z similar to 10 to 2.5 at least) can be readily explained on the basis of the evolution of the halo mass function and a simple constant star formation efficiency model.",
keywords = "ULTRA-DEEP FIELD, LYMAN-BREAK GALAXIES, HUBBLE FRONTIER FIELDS, EARLY RELEASE SCIENCE, FAINT-END SLOPE, STELLAR MASS DENSITY, BRIGHT END, LY-ALPHA, FORMING GALAXIES, DUST OBSCURATION",
author = "Bouwens, {R. J.} and Oesch, {P. A.} and M. Stefanon and G. Illingworth and Labbe, {Genevi{\`e}ve M} and N. Reddy and H. Atek and M. Montes and R. Naidu and T. Nanayakkara and E. Nelson and S. Wilkins",
year = "2021",
month = aug,
day = "2",
doi = "10.3847/1538-3881/abf83e",
language = "English",
volume = "162",
journal = "The Astronomical Journal",
issn = "0004-6256",
publisher = "Institute of Physics Publishing, Inc",
number = "2",

}

RIS

TY - JOUR

T1 - New Determinations of the UV Luminosity Functions from z similar to 9 to 2 Show a Remarkable Consistency with Halo Growth and a Constant Star Formation Efficiency

AU - Bouwens, R. J.

AU - Oesch, P. A.

AU - Stefanon, M.

AU - Illingworth, G.

AU - Labbe, Geneviève M

AU - Reddy, N.

AU - Atek, H.

AU - Montes, M.

AU - Naidu, R.

AU - Nanayakkara, T.

AU - Nelson, E.

AU - Wilkins, S.

PY - 2021/8/2

Y1 - 2021/8/2

N2 - Here we provide the most comprehensive determinations of the rest-frame UV luminosity function (LF) available to date with the Hubble Space Telescope (HST) at z similar to 2-9. Essentially all of the noncluster extragalactic legacy fields are utilized, including the Hubble Ultra Deep Field, the Hubble Frontier Fields parallel fields, and all five CANDELS fields, for a total survey area of 1136 arcmin(2). Our determinations include galaxies at z similar to 2-3 leveraging the deep HDUV, UVUDF, and ERS WFC3/UVIS observations available over an similar to 150 arcmin(2) area in the GOODS-North and GOODS-South regions. All together, our collective samples include >24,000 sources, >2.3x larger than previous selections with HST. We identify 5766, 6332, 7240, 3449, 1066, 601, 246, and 33 sources at z similar to 2, 3, 4, 5, 6, 7, 8, and 9, respectively. Combining our results with an earlier z similar to 10 LF determination by Oesch et al., we quantify the evolution of the UV LF. Our results indicate that there is (1) a smooth flattening of the faint-end slope alpha from alpha similar to -2.4 at z similar to 10 to alpha similar to -1.5 at z similar to 2, (2) minimal evolution in the characteristic luminosity M* at z >= 2.5, and (3) a monotonic increase in the normalization log(10) phi* from z similar to 10 to 2, which can be well described by a simple second-order polynomial, consistent with an "accelerated" evolution scenario. We find that each of these trends (from z similar to 10 to 2.5 at least) can be readily explained on the basis of the evolution of the halo mass function and a simple constant star formation efficiency model.

AB - Here we provide the most comprehensive determinations of the rest-frame UV luminosity function (LF) available to date with the Hubble Space Telescope (HST) at z similar to 2-9. Essentially all of the noncluster extragalactic legacy fields are utilized, including the Hubble Ultra Deep Field, the Hubble Frontier Fields parallel fields, and all five CANDELS fields, for a total survey area of 1136 arcmin(2). Our determinations include galaxies at z similar to 2-3 leveraging the deep HDUV, UVUDF, and ERS WFC3/UVIS observations available over an similar to 150 arcmin(2) area in the GOODS-North and GOODS-South regions. All together, our collective samples include >24,000 sources, >2.3x larger than previous selections with HST. We identify 5766, 6332, 7240, 3449, 1066, 601, 246, and 33 sources at z similar to 2, 3, 4, 5, 6, 7, 8, and 9, respectively. Combining our results with an earlier z similar to 10 LF determination by Oesch et al., we quantify the evolution of the UV LF. Our results indicate that there is (1) a smooth flattening of the faint-end slope alpha from alpha similar to -2.4 at z similar to 10 to alpha similar to -1.5 at z similar to 2, (2) minimal evolution in the characteristic luminosity M* at z >= 2.5, and (3) a monotonic increase in the normalization log(10) phi* from z similar to 10 to 2, which can be well described by a simple second-order polynomial, consistent with an "accelerated" evolution scenario. We find that each of these trends (from z similar to 10 to 2.5 at least) can be readily explained on the basis of the evolution of the halo mass function and a simple constant star formation efficiency model.

KW - ULTRA-DEEP FIELD

KW - LYMAN-BREAK GALAXIES

KW - HUBBLE FRONTIER FIELDS

KW - EARLY RELEASE SCIENCE

KW - FAINT-END SLOPE

KW - STELLAR MASS DENSITY

KW - BRIGHT END

KW - LY-ALPHA

KW - FORMING GALAXIES

KW - DUST OBSCURATION

U2 - 10.3847/1538-3881/abf83e

DO - 10.3847/1538-3881/abf83e

M3 - Journal article

VL - 162

JO - The Astronomical Journal

JF - The Astronomical Journal

SN - 0004-6256

IS - 2

M1 - 47

ER -

ID: 276380213