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The Velocity Dispersion Function for Massive Quiescent and Star-forming Galaxies at 0.6 < z ≤ 1.0

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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The Velocity Dispersion Function for Massive Quiescent and Star-forming Galaxies at 0.6 < z ≤ 1.0. / Taylor, Lance; Bezanson, Rachel; van der Wel, Arjen et al.
In: The Astrophysical Journal, Vol. 939, No. 2, 90, 09.11.2022.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Taylor, L, Bezanson, R, van der Wel, A, Pearl, A, Bell, EF, D’Eugenio, F, Franx, M, Maseda, MV, Muzzin, A, Sobral, D, Straatman, C, Whitaker, KE & Wu, P-F 2022, 'The Velocity Dispersion Function for Massive Quiescent and Star-forming Galaxies at 0.6 < z ≤ 1.0', The Astrophysical Journal, vol. 939, no. 2, 90. https://doi.org/10.3847/1538-4357/ac9796

APA

Taylor, L., Bezanson, R., van der Wel, A., Pearl, A., Bell, E. F., D’Eugenio, F., Franx, M., Maseda, M. V., Muzzin, A., Sobral, D., Straatman, C., Whitaker, K. E., & Wu, P-F. (2022). The Velocity Dispersion Function for Massive Quiescent and Star-forming Galaxies at 0.6 < z ≤ 1.0. The Astrophysical Journal, 939(2), Article 90. https://doi.org/10.3847/1538-4357/ac9796

Vancouver

Taylor L, Bezanson R, van der Wel A, Pearl A, Bell EF, D’Eugenio F et al. The Velocity Dispersion Function for Massive Quiescent and Star-forming Galaxies at 0.6 < z ≤ 1.0. The Astrophysical Journal. 2022 Nov 9;939(2):90. doi: 10.3847/1538-4357/ac9796

Author

Taylor, Lance ; Bezanson, Rachel ; van der Wel, Arjen et al. / The Velocity Dispersion Function for Massive Quiescent and Star-forming Galaxies at 0.6 < z ≤ 1.0. In: The Astrophysical Journal. 2022 ; Vol. 939, No. 2.

Bibtex

@article{0830d0ca783849a393821b727807d36e,
title = "The Velocity Dispersion Function for Massive Quiescent and Star-forming Galaxies at 0.6 < z ≤ 1.0",
abstract = "We present the first direct spectroscopic measurement of the stellar velocity dispersion function (VDF) for massive quiescent and star-forming galaxies at 0.6 < z ≤ 1.0. For this analysis we use individual measurements of stellar velocity dispersion from high-signal-to-noise-ratio spectra from the public Large Early Galaxy Astrophysics Census (LEGA-C) survey. We report a remarkable stability of the VDF for both quiescent and star-forming galaxies within this redshift range, though we note the presence of weak evolution in the number densities of star-forming galaxies. We compare both VDFs with previous direct and inferred measurements at local and intermediate redshifts, with the caveat that previous measurements of the VDF for star-forming galaxies are poorly constrained at all epochs. We emphasize that this work is the first to directly push to low stellar velocity dispersion (σ ⋆ > 100 km s−1) and extend to star-forming galaxies. We are largely consistent with the high-sigma tail measured from BOSS, and we find that the VDF remains constant from the median redshift of LEGA-C, z ∼ 0.8, to the present day.",
keywords = "310, Galaxies and Cosmology",
author = "Lance Taylor and Rachel Bezanson and {van der Wel}, Arjen and Alan Pearl and Bell, {Eric F.} and Francesco D{\textquoteright}Eugenio and Marijn Franx and Maseda, {Michael V.} and Adam Muzzin and David Sobral and Caroline Straatman and Whitaker, {Katherine E.} and Po-Feng Wu",
year = "2022",
month = nov,
day = "9",
doi = "10.3847/1538-4357/ac9796",
language = "English",
volume = "939",
journal = "The Astrophysical Journal",
issn = "0004-637X",
publisher = "Institute of Physics Publishing",
number = "2",

}

RIS

TY - JOUR

T1 - The Velocity Dispersion Function for Massive Quiescent and Star-forming Galaxies at 0.6 < z ≤ 1.0

AU - Taylor, Lance

AU - Bezanson, Rachel

AU - van der Wel, Arjen

AU - Pearl, Alan

AU - Bell, Eric F.

AU - D’Eugenio, Francesco

AU - Franx, Marijn

AU - Maseda, Michael V.

AU - Muzzin, Adam

AU - Sobral, David

AU - Straatman, Caroline

AU - Whitaker, Katherine E.

AU - Wu, Po-Feng

PY - 2022/11/9

Y1 - 2022/11/9

N2 - We present the first direct spectroscopic measurement of the stellar velocity dispersion function (VDF) for massive quiescent and star-forming galaxies at 0.6 < z ≤ 1.0. For this analysis we use individual measurements of stellar velocity dispersion from high-signal-to-noise-ratio spectra from the public Large Early Galaxy Astrophysics Census (LEGA-C) survey. We report a remarkable stability of the VDF for both quiescent and star-forming galaxies within this redshift range, though we note the presence of weak evolution in the number densities of star-forming galaxies. We compare both VDFs with previous direct and inferred measurements at local and intermediate redshifts, with the caveat that previous measurements of the VDF for star-forming galaxies are poorly constrained at all epochs. We emphasize that this work is the first to directly push to low stellar velocity dispersion (σ ⋆ > 100 km s−1) and extend to star-forming galaxies. We are largely consistent with the high-sigma tail measured from BOSS, and we find that the VDF remains constant from the median redshift of LEGA-C, z ∼ 0.8, to the present day.

AB - We present the first direct spectroscopic measurement of the stellar velocity dispersion function (VDF) for massive quiescent and star-forming galaxies at 0.6 < z ≤ 1.0. For this analysis we use individual measurements of stellar velocity dispersion from high-signal-to-noise-ratio spectra from the public Large Early Galaxy Astrophysics Census (LEGA-C) survey. We report a remarkable stability of the VDF for both quiescent and star-forming galaxies within this redshift range, though we note the presence of weak evolution in the number densities of star-forming galaxies. We compare both VDFs with previous direct and inferred measurements at local and intermediate redshifts, with the caveat that previous measurements of the VDF for star-forming galaxies are poorly constrained at all epochs. We emphasize that this work is the first to directly push to low stellar velocity dispersion (σ ⋆ > 100 km s−1) and extend to star-forming galaxies. We are largely consistent with the high-sigma tail measured from BOSS, and we find that the VDF remains constant from the median redshift of LEGA-C, z ∼ 0.8, to the present day.

KW - 310

KW - Galaxies and Cosmology

U2 - 10.3847/1538-4357/ac9796

DO - 10.3847/1538-4357/ac9796

M3 - Journal article

VL - 939

JO - The Astrophysical Journal

JF - The Astrophysical Journal

SN - 0004-637X

IS - 2

M1 - 90

ER -