Early Results from GLASS-JWST. V: The First Rest-frame Optical Size-Luminosity Relation of Galaxies at z > 7

Research output: Contribution to journal › Letter › Research › peer-review

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Early Results from GLASS-JWST. V : The First Rest-frame Optical Size-Luminosity Relation of Galaxies at z > 7. / Yang, L.; Morishita, T.; Leethochawalit, N.; Castellano, M.; Calabro, A.; Treu, T.; Bonchi, A.; Fontana, A.; Mason, C.; Merlin, E.; Paris, D.; Trenti, M.; Roberts-Borsani, G.; Bradac, M.; Vanzella, E.; Vulcani, B.; Marchesini, D.; Ding, X.; Nanayakkara, T.; Birrer, S.; Glazebrook, K.; Jones, T.; Boyett, K.; Santini, P.; Strait, Victoria Bellinger; Wang, X.

In: Astrophysical Journal Letters, Vol. 938, No. 2, 17, 18.10.2022.

Research output: Contribution to journal › Letter › Research › peer-review

Harvard

Yang, L, Morishita, T, Leethochawalit, N, Castellano, M, Calabro, A, Treu, T, Bonchi, A, Fontana, A, Mason, C, Merlin, E, Paris, D, Trenti, M, Roberts-Borsani, G, Bradac, M, Vanzella, E, Vulcani, B, Marchesini, D, Ding, X, Nanayakkara, T, Birrer, S, Glazebrook, K, Jones, T, Boyett, K, Santini, P, Strait, VB & Wang, X 2022, 'Early Results from GLASS-JWST. V: The First Rest-frame Optical Size-Luminosity Relation of Galaxies at z > 7', Astrophysical Journal Letters, vol. 938, no. 2, 17. https://doi.org/10.3847/2041-8213/ac8803

APA

Yang, L., Morishita, T., Leethochawalit, N., Castellano, M., Calabro, A., Treu, T., Bonchi, A., Fontana, A., Mason, C., Merlin, E., Paris, D., Trenti, M., Roberts-Borsani, G., Bradac, M., Vanzella, E., Vulcani, B., Marchesini, D., Ding, X., Nanayakkara, T., ... Wang, X. (2022). Early Results from GLASS-JWST. V: The First Rest-frame Optical Size-Luminosity Relation of Galaxies at z > 7. Astrophysical Journal Letters, 938(2), [17]. https://doi.org/10.3847/2041-8213/ac8803

Vancouver

Yang L, Morishita T, Leethochawalit N, Castellano M, Calabro A, Treu T et al. Early Results from GLASS-JWST. V: The First Rest-frame Optical Size-Luminosity Relation of Galaxies at z > 7. Astrophysical Journal Letters. 2022 Oct 18;938(2). 17. https://doi.org/10.3847/2041-8213/ac8803

Author

Yang, L. ; Morishita, T. ; Leethochawalit, N. ; Castellano, M. ; Calabro, A. ; Treu, T. ; Bonchi, A. ; Fontana, A. ; Mason, C. ; Merlin, E. ; Paris, D. ; Trenti, M. ; Roberts-Borsani, G. ; Bradac, M. ; Vanzella, E. ; Vulcani, B. ; Marchesini, D. ; Ding, X. ; Nanayakkara, T. ; Birrer, S. ; Glazebrook, K. ; Jones, T. ; Boyett, K. ; Santini, P. ; Strait, Victoria Bellinger ; Wang, X. / Early Results from GLASS-JWST. V : The First Rest-frame Optical Size-Luminosity Relation of Galaxies at z > 7. In: Astrophysical Journal Letters. 2022 ; Vol. 938, No. 2.

Bibtex

@article{a28cf4c194d347c3969afc2cecbe500c,
title = "Early Results from GLASS-JWST. V: The First Rest-frame Optical Size-Luminosity Relation of Galaxies at z > 7",
abstract = "We present the first rest-frame optical size-luminosity relation of galaxies at z > 7, using the NIRCam imaging data obtained by the GLASS James Webb Space Telescope Early Release Science (GLASS-JWST-ERS) program, providing the deepest extragalactic data of the ERS campaign. Our sample consists of 19 photometrically selected bright galaxies with m (F444W) 7. Given the limited sample size and magnitude range, we first fix the slope to that observed for larger samples in rest-frame UV using Hubble Space Telescope samples. The median size r (0) at the reference luminosity M = -21 decreases slightly from rest-frame optical (600 +/- 80 pc) to UV (450 +/- 130 pc). We then refit the size-luminosity relation allowing the slope to vary. The slope is consistent with beta similar to 0.2 for all bands except F150W, where we find a marginally steeper slope of beta = 0.53 +/- 0.15. The steep UV slope is mainly driven by the smallest and faintest galaxies. If confirmed by larger samples, it implies that the UV size-luminosity relation breaks toward the faint end, as suggested by lensing studies.",
keywords = "Galaxy evolution, EVOLUTION, IV.",
author = "L. Yang and T. Morishita and N. Leethochawalit and M. Castellano and A. Calabro and T. Treu and A. Bonchi and A. Fontana and C. Mason and E. Merlin and D. Paris and M. Trenti and G. Roberts-Borsani and M. Bradac and E. Vanzella and B. Vulcani and D. Marchesini and X. Ding and T. Nanayakkara and S. Birrer and K. Glazebrook and T. Jones and K. Boyett and P. Santini and Strait, {Victoria Bellinger} and X. Wang",
year = "2022",
month = oct,
day = "18",
doi = "10.3847/2041-8213/ac8803",
language = "English",
volume = "938",
journal = "The Astrophysical Journal Letters",
issn = "2041-8205",
publisher = "IOP Publishing",
number = "2",

}

RIS

TY - JOUR

T1 - Early Results from GLASS-JWST. V

T2 - The First Rest-frame Optical Size-Luminosity Relation of Galaxies at z > 7

AU - Yang, L.

AU - Morishita, T.

AU - Leethochawalit, N.

AU - Castellano, M.

AU - Calabro, A.

AU - Treu, T.

AU - Bonchi, A.

AU - Fontana, A.

AU - Mason, C.

AU - Merlin, E.

AU - Paris, D.

AU - Trenti, M.

AU - Roberts-Borsani, G.

AU - Bradac, M.

AU - Vanzella, E.

AU - Vulcani, B.

AU - Marchesini, D.

AU - Ding, X.

AU - Nanayakkara, T.

AU - Birrer, S.

AU - Glazebrook, K.

AU - Jones, T.

AU - Boyett, K.

AU - Santini, P.

AU - Strait, Victoria Bellinger

AU - Wang, X.

PY - 2022/10/18

Y1 - 2022/10/18

N2 - We present the first rest-frame optical size-luminosity relation of galaxies at z > 7, using the NIRCam imaging data obtained by the GLASS James Webb Space Telescope Early Release Science (GLASS-JWST-ERS) program, providing the deepest extragalactic data of the ERS campaign. Our sample consists of 19 photometrically selected bright galaxies with m (F444W) 7. Given the limited sample size and magnitude range, we first fix the slope to that observed for larger samples in rest-frame UV using Hubble Space Telescope samples. The median size r (0) at the reference luminosity M = -21 decreases slightly from rest-frame optical (600 +/- 80 pc) to UV (450 +/- 130 pc). We then refit the size-luminosity relation allowing the slope to vary. The slope is consistent with beta similar to 0.2 for all bands except F150W, where we find a marginally steeper slope of beta = 0.53 +/- 0.15. The steep UV slope is mainly driven by the smallest and faintest galaxies. If confirmed by larger samples, it implies that the UV size-luminosity relation breaks toward the faint end, as suggested by lensing studies.

AB - We present the first rest-frame optical size-luminosity relation of galaxies at z > 7, using the NIRCam imaging data obtained by the GLASS James Webb Space Telescope Early Release Science (GLASS-JWST-ERS) program, providing the deepest extragalactic data of the ERS campaign. Our sample consists of 19 photometrically selected bright galaxies with m (F444W) 7. Given the limited sample size and magnitude range, we first fix the slope to that observed for larger samples in rest-frame UV using Hubble Space Telescope samples. The median size r (0) at the reference luminosity M = -21 decreases slightly from rest-frame optical (600 +/- 80 pc) to UV (450 +/- 130 pc). We then refit the size-luminosity relation allowing the slope to vary. The slope is consistent with beta similar to 0.2 for all bands except F150W, where we find a marginally steeper slope of beta = 0.53 +/- 0.15. The steep UV slope is mainly driven by the smallest and faintest galaxies. If confirmed by larger samples, it implies that the UV size-luminosity relation breaks toward the faint end, as suggested by lensing studies.

KW - Galaxy evolution

KW - EVOLUTION

KW - IV.

U2 - 10.3847/2041-8213/ac8803

DO - 10.3847/2041-8213/ac8803

M3 - Letter

VL - 938

JO - The Astrophysical Journal Letters

JF - The Astrophysical Journal Letters

SN - 2041-8205

IS - 2

M1 - 17

ER -

ID: 323614227