Home > Research > Publications & Outputs > Revealing the Stellar Mass and Dust Distributio...

Electronic data

  • 1905.06960

    Accepted author manuscript, 3.7 MB, PDF document

    Available under license: CC BY-NC: Creative Commons Attribution-NonCommercial 4.0 International License

Links

Text available via DOI:

View graph of relations

Revealing the Stellar Mass and Dust Distributions of Submillimeter Galaxies at Redshift 2

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Published

Standard

Revealing the Stellar Mass and Dust Distributions of Submillimeter Galaxies at Redshift 2. / Lang, Philipp; Schinnerer, E.; Smail, Ian et al.
In: The Astrophysical Journal, Vol. 879, No. 1, 54, 03.07.2019.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Lang, P, Schinnerer, E, Smail, I, Dudzevičiūtė, U, Swinbank, AM, Liu, D, Leslie, SK, Almaini, O, An, FX, Bertoldi, F, Blain, AW, Chapman, SC, Chen, C-C, Conselice, C, Cooke, EA, Coppin, KEK, Dunlop, JS, Farrah, D, Fudamoto, Y, Geach, JE, Gullberg, B, Harrington, KC, Hodge, JA, Ivison, RJ, Jiménez-Andrade, EF, Magnelli, B, Michałowski, MJ, Oesch, P, Scott, D, Simpson, JM, Smolčić, V, Stach, SM, Thomson, AP, Toft, S, Vardoulaki, E, Wardlow, JL, Weiss, A & van der Werf, P 2019, 'Revealing the Stellar Mass and Dust Distributions of Submillimeter Galaxies at Redshift 2', The Astrophysical Journal, vol. 879, no. 1, 54. https://doi.org/10.3847/1538-4357/ab1f77

APA

Lang, P., Schinnerer, E., Smail, I., Dudzevičiūtė, U., Swinbank, A. M., Liu, D., Leslie, S. K., Almaini, O., An, F. X., Bertoldi, F., Blain, A. W., Chapman, S. C., Chen, C-C., Conselice, C., Cooke, E. A., Coppin, K. E. K., Dunlop, J. S., Farrah, D., Fudamoto, Y., ... van der Werf, P. (2019). Revealing the Stellar Mass and Dust Distributions of Submillimeter Galaxies at Redshift 2. The Astrophysical Journal, 879(1), Article 54. https://doi.org/10.3847/1538-4357/ab1f77

Vancouver

Lang P, Schinnerer E, Smail I, Dudzevičiūtė U, Swinbank AM, Liu D et al. Revealing the Stellar Mass and Dust Distributions of Submillimeter Galaxies at Redshift 2. The Astrophysical Journal. 2019 Jul 3;879(1):54. Epub 2019 Jul 1. doi: 10.3847/1538-4357/ab1f77

Author

Lang, Philipp ; Schinnerer, E. ; Smail, Ian et al. / Revealing the Stellar Mass and Dust Distributions of Submillimeter Galaxies at Redshift 2. In: The Astrophysical Journal. 2019 ; Vol. 879, No. 1.

Bibtex

@article{c2091b1b9e3845a285fac69ade42429a,
title = "Revealing the Stellar Mass and Dust Distributions of Submillimeter Galaxies at Redshift 2",
abstract = "We combine high-resolution ALMA and HST/CANDELS observations of 20 submillimeter galaxies (SMGs), predominantly from the AS2UDS survey at z ≃ 2, with bright rest-frame optical counterparts ({K}{{s}}≲ 22.9) to investigate the resolved structural properties of their dust and stellar components. We derive two-dimensional stellar-mass distributions that are inferred from spatial mass-to-light ratio ({\text{}}M/{L}* ) corrections based on rest-frame optical colors. Due to the high central column densities of dust in our SMGs, our mass distributions likely represent a lower limit to the true central mass density. The centroid positions between the inferred stellar-mass and the dust distributions agree within 1.1 kpc, indicating an overall good spatial agreement between the two components. The majority of our sources exhibit compact dust configurations relative to the stellar component (with a median ratio of effective radii {R}{{e},{dust}}/{R}{{e},* } = 0.6). This ratio does not change with specific star formation rate over the factor of 30 spanned by our targets, sampling the locus of “normal” main-sequence galaxies up to the starburst regime, {log}({sSFR}/{sSFR}}MS})≥slant 0.5. Unlike typical spiral galaxies in the local universe, our results imply that massive SMGs are experiencing centrally enhanced star formation. The sizes and stellar densities of our SMGs are in agreement with those of the passive population at z = 1.5, which is consistent with these systems being the descendants of z ≃ 2 SMGs.",
keywords = "galaxies: high-redshift, galaxies: stellar content, galaxies: structure",
author = "Philipp Lang and E. Schinnerer and Ian Smail and U. Dudzevi{\v c}iūtė and Swinbank, {A. M.} and Daizhong Liu and Leslie, {S. K.} and O. Almaini and An, {Fang Xia} and F. Bertoldi and Blain, {A. W.} and Chapman, {S. C.} and Chian-Chou Chen and C. Conselice and Cooke, {E. A.} and Coppin, {K. E. K.} and Dunlop, {J. S.} and D. Farrah and Y. Fudamoto and Geach, {J. E.} and B. Gullberg and Harrington, {K. C.} and Hodge, {J. A.} and Ivison, {R. J.} and Jim{\'e}nez-Andrade, {E. F.} and B. Magnelli and Micha{\l}owski, {M. J.} and P. Oesch and D. Scott and Simpson, {J. M.} and V. Smol{\v c}i{\'c} and Stach, {S. M.} and Thomson, {A. P.} and S. Toft and E. Vardoulaki and Wardlow, {J. L.} and A. Weiss and {van der Werf}, P.",
year = "2019",
month = jul,
day = "3",
doi = "10.3847/1538-4357/ab1f77",
language = "English",
volume = "879",
journal = "The Astrophysical Journal",
issn = "0004-637X",
publisher = "Institute of Physics Publishing",
number = "1",

}

RIS

TY - JOUR

T1 - Revealing the Stellar Mass and Dust Distributions of Submillimeter Galaxies at Redshift 2

AU - Lang, Philipp

AU - Schinnerer, E.

AU - Smail, Ian

AU - Dudzevičiūtė, U.

AU - Swinbank, A. M.

AU - Liu, Daizhong

AU - Leslie, S. K.

AU - Almaini, O.

AU - An, Fang Xia

AU - Bertoldi, F.

AU - Blain, A. W.

AU - Chapman, S. C.

AU - Chen, Chian-Chou

AU - Conselice, C.

AU - Cooke, E. A.

AU - Coppin, K. E. K.

AU - Dunlop, J. S.

AU - Farrah, D.

AU - Fudamoto, Y.

AU - Geach, J. E.

AU - Gullberg, B.

AU - Harrington, K. C.

AU - Hodge, J. A.

AU - Ivison, R. J.

AU - Jiménez-Andrade, E. F.

AU - Magnelli, B.

AU - Michałowski, M. J.

AU - Oesch, P.

AU - Scott, D.

AU - Simpson, J. M.

AU - Smolčić, V.

AU - Stach, S. M.

AU - Thomson, A. P.

AU - Toft, S.

AU - Vardoulaki, E.

AU - Wardlow, J. L.

AU - Weiss, A.

AU - van der Werf, P.

PY - 2019/7/3

Y1 - 2019/7/3

N2 - We combine high-resolution ALMA and HST/CANDELS observations of 20 submillimeter galaxies (SMGs), predominantly from the AS2UDS survey at z ≃ 2, with bright rest-frame optical counterparts ({K}{{s}}≲ 22.9) to investigate the resolved structural properties of their dust and stellar components. We derive two-dimensional stellar-mass distributions that are inferred from spatial mass-to-light ratio ({\text{}}M/{L}* ) corrections based on rest-frame optical colors. Due to the high central column densities of dust in our SMGs, our mass distributions likely represent a lower limit to the true central mass density. The centroid positions between the inferred stellar-mass and the dust distributions agree within 1.1 kpc, indicating an overall good spatial agreement between the two components. The majority of our sources exhibit compact dust configurations relative to the stellar component (with a median ratio of effective radii {R}{{e},{dust}}/{R}{{e},* } = 0.6). This ratio does not change with specific star formation rate over the factor of 30 spanned by our targets, sampling the locus of “normal” main-sequence galaxies up to the starburst regime, {log}({sSFR}/{sSFR}}MS})≥slant 0.5. Unlike typical spiral galaxies in the local universe, our results imply that massive SMGs are experiencing centrally enhanced star formation. The sizes and stellar densities of our SMGs are in agreement with those of the passive population at z = 1.5, which is consistent with these systems being the descendants of z ≃ 2 SMGs.

AB - We combine high-resolution ALMA and HST/CANDELS observations of 20 submillimeter galaxies (SMGs), predominantly from the AS2UDS survey at z ≃ 2, with bright rest-frame optical counterparts ({K}{{s}}≲ 22.9) to investigate the resolved structural properties of their dust and stellar components. We derive two-dimensional stellar-mass distributions that are inferred from spatial mass-to-light ratio ({\text{}}M/{L}* ) corrections based on rest-frame optical colors. Due to the high central column densities of dust in our SMGs, our mass distributions likely represent a lower limit to the true central mass density. The centroid positions between the inferred stellar-mass and the dust distributions agree within 1.1 kpc, indicating an overall good spatial agreement between the two components. The majority of our sources exhibit compact dust configurations relative to the stellar component (with a median ratio of effective radii {R}{{e},{dust}}/{R}{{e},* } = 0.6). This ratio does not change with specific star formation rate over the factor of 30 spanned by our targets, sampling the locus of “normal” main-sequence galaxies up to the starburst regime, {log}({sSFR}/{sSFR}}MS})≥slant 0.5. Unlike typical spiral galaxies in the local universe, our results imply that massive SMGs are experiencing centrally enhanced star formation. The sizes and stellar densities of our SMGs are in agreement with those of the passive population at z = 1.5, which is consistent with these systems being the descendants of z ≃ 2 SMGs.

KW - galaxies: high-redshift

KW - galaxies: stellar content

KW - galaxies: structure

U2 - 10.3847/1538-4357/ab1f77

DO - 10.3847/1538-4357/ab1f77

M3 - Journal article

VL - 879

JO - The Astrophysical Journal

JF - The Astrophysical Journal

SN - 0004-637X

IS - 1

M1 - 54

ER -