Early Results from GLASS-JWST. XI. Stellar Masses and Mass-to-light Ratio of z > 7 Galaxies

Research output: Contribution to journalLetterResearchpeer-review

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Early Results from GLASS-JWST. XI. Stellar Masses and Mass-to-light Ratio of z > 7 Galaxies. / Santini, P.; Fontana, A.; Castellano, M.; Leethochawalit, N.; Trenti, M.; Treu, T.; Belfiori, D.; Birrer, S.; Bonchi, A.; Merlin, E.; Mason, C.; Morishita, T.; Nonino, M.; Paris, D.; Polenta, G.; Rosati, P.; Yang, L.; Boyett, K.; Bradac, M.; Calabro, A.; Dressler, A.; Glazebrook, K.; Marchesini, D.; Mascia, S.; Nanayakkara, T.; Pentericci, L.; Roberts-Borsani, G.; Scarlata, C.; Vulcani, B.; Wang, Xin.

In: Astrophysical Journal Letters, Vol. 942, No. 2, L27, 10.01.2023.

Research output: Contribution to journalLetterResearchpeer-review

Harvard

Santini, P, Fontana, A, Castellano, M, Leethochawalit, N, Trenti, M, Treu, T, Belfiori, D, Birrer, S, Bonchi, A, Merlin, E, Mason, C, Morishita, T, Nonino, M, Paris, D, Polenta, G, Rosati, P, Yang, L, Boyett, K, Bradac, M, Calabro, A, Dressler, A, Glazebrook, K, Marchesini, D, Mascia, S, Nanayakkara, T, Pentericci, L, Roberts-Borsani, G, Scarlata, C, Vulcani, B & Wang, X 2023, 'Early Results from GLASS-JWST. XI. Stellar Masses and Mass-to-light Ratio of z > 7 Galaxies', Astrophysical Journal Letters, vol. 942, no. 2, L27. https://doi.org/10.3847/2041-8213/ac9586

APA

Santini, P., Fontana, A., Castellano, M., Leethochawalit, N., Trenti, M., Treu, T., Belfiori, D., Birrer, S., Bonchi, A., Merlin, E., Mason, C., Morishita, T., Nonino, M., Paris, D., Polenta, G., Rosati, P., Yang, L., Boyett, K., Bradac, M., ... Wang, X. (2023). Early Results from GLASS-JWST. XI. Stellar Masses and Mass-to-light Ratio of z > 7 Galaxies. Astrophysical Journal Letters, 942(2), [L27]. https://doi.org/10.3847/2041-8213/ac9586

Vancouver

Santini P, Fontana A, Castellano M, Leethochawalit N, Trenti M, Treu T et al. Early Results from GLASS-JWST. XI. Stellar Masses and Mass-to-light Ratio of z > 7 Galaxies. Astrophysical Journal Letters. 2023 Jan 10;942(2). L27. https://doi.org/10.3847/2041-8213/ac9586

Author

Santini, P. ; Fontana, A. ; Castellano, M. ; Leethochawalit, N. ; Trenti, M. ; Treu, T. ; Belfiori, D. ; Birrer, S. ; Bonchi, A. ; Merlin, E. ; Mason, C. ; Morishita, T. ; Nonino, M. ; Paris, D. ; Polenta, G. ; Rosati, P. ; Yang, L. ; Boyett, K. ; Bradac, M. ; Calabro, A. ; Dressler, A. ; Glazebrook, K. ; Marchesini, D. ; Mascia, S. ; Nanayakkara, T. ; Pentericci, L. ; Roberts-Borsani, G. ; Scarlata, C. ; Vulcani, B. ; Wang, Xin. / Early Results from GLASS-JWST. XI. Stellar Masses and Mass-to-light Ratio of z > 7 Galaxies. In: Astrophysical Journal Letters. 2023 ; Vol. 942, No. 2.

Bibtex

@article{b7ec123a4c0045079d49dacaf4e2e5d3,
title = "Early Results from GLASS-JWST. XI. Stellar Masses and Mass-to-light Ratio of z > 7 Galaxies",
abstract = "We exploit James Webb Space Telescope (JWST) NIRCam observations from the GLASS-JWST-Early Release Science program to investigate galaxy stellar masses at z > 7. We first show that JWST observations reduce the uncertainties on the stellar mass by a factor of at least 5-10, when compared with the highest-quality data sets available to date. We then study the UV mass-to-light ratio, finding that galaxies exhibit a a two orders of magnitude range of M/L (UV) values for a given luminosity, indicative of a broad variety of physical conditions and star formation histories. As a consequence, previous estimates of the cosmic stellar-mass density-based on an average correlation between UV luminosity and stellar mass-can be biased by as much as a factor of similar to 6. Our first exploration demonstrates that JWST represents a new era in our understanding of stellar masses at z > 7 and, therefore, of the growth of galaxies prior to cosmic reionization.",
keywords = "PHOTOMETRIC REDSHIFTS, EVOLUTION, CATALOGS, ABELL-2744, SELECTION, IMPACT",
author = "P. Santini and A. Fontana and M. Castellano and N. Leethochawalit and M. Trenti and T. Treu and D. Belfiori and S. Birrer and A. Bonchi and E. Merlin and C. Mason and T. Morishita and M. Nonino and D. Paris and G. Polenta and P. Rosati and L. Yang and K. Boyett and M. Bradac and A. Calabro and A. Dressler and K. Glazebrook and D. Marchesini and S. Mascia and T. Nanayakkara and L. Pentericci and G. Roberts-Borsani and C. Scarlata and B. Vulcani and Xin Wang",
year = "2023",
month = jan,
day = "10",
doi = "10.3847/2041-8213/ac9586",
language = "English",
volume = "942",
journal = "The Astrophysical Journal Letters",
issn = "2041-8205",
publisher = "IOP Publishing",
number = "2",

}

RIS

TY - JOUR

T1 - Early Results from GLASS-JWST. XI. Stellar Masses and Mass-to-light Ratio of z > 7 Galaxies

AU - Santini, P.

AU - Fontana, A.

AU - Castellano, M.

AU - Leethochawalit, N.

AU - Trenti, M.

AU - Treu, T.

AU - Belfiori, D.

AU - Birrer, S.

AU - Bonchi, A.

AU - Merlin, E.

AU - Mason, C.

AU - Morishita, T.

AU - Nonino, M.

AU - Paris, D.

AU - Polenta, G.

AU - Rosati, P.

AU - Yang, L.

AU - Boyett, K.

AU - Bradac, M.

AU - Calabro, A.

AU - Dressler, A.

AU - Glazebrook, K.

AU - Marchesini, D.

AU - Mascia, S.

AU - Nanayakkara, T.

AU - Pentericci, L.

AU - Roberts-Borsani, G.

AU - Scarlata, C.

AU - Vulcani, B.

AU - Wang, Xin

PY - 2023/1/10

Y1 - 2023/1/10

N2 - We exploit James Webb Space Telescope (JWST) NIRCam observations from the GLASS-JWST-Early Release Science program to investigate galaxy stellar masses at z > 7. We first show that JWST observations reduce the uncertainties on the stellar mass by a factor of at least 5-10, when compared with the highest-quality data sets available to date. We then study the UV mass-to-light ratio, finding that galaxies exhibit a a two orders of magnitude range of M/L (UV) values for a given luminosity, indicative of a broad variety of physical conditions and star formation histories. As a consequence, previous estimates of the cosmic stellar-mass density-based on an average correlation between UV luminosity and stellar mass-can be biased by as much as a factor of similar to 6. Our first exploration demonstrates that JWST represents a new era in our understanding of stellar masses at z > 7 and, therefore, of the growth of galaxies prior to cosmic reionization.

AB - We exploit James Webb Space Telescope (JWST) NIRCam observations from the GLASS-JWST-Early Release Science program to investigate galaxy stellar masses at z > 7. We first show that JWST observations reduce the uncertainties on the stellar mass by a factor of at least 5-10, when compared with the highest-quality data sets available to date. We then study the UV mass-to-light ratio, finding that galaxies exhibit a a two orders of magnitude range of M/L (UV) values for a given luminosity, indicative of a broad variety of physical conditions and star formation histories. As a consequence, previous estimates of the cosmic stellar-mass density-based on an average correlation between UV luminosity and stellar mass-can be biased by as much as a factor of similar to 6. Our first exploration demonstrates that JWST represents a new era in our understanding of stellar masses at z > 7 and, therefore, of the growth of galaxies prior to cosmic reionization.

KW - PHOTOMETRIC REDSHIFTS

KW - EVOLUTION

KW - CATALOGS

KW - ABELL-2744

KW - SELECTION

KW - IMPACT

U2 - 10.3847/2041-8213/ac9586

DO - 10.3847/2041-8213/ac9586

M3 - Letter

VL - 942

JO - The Astrophysical Journal Letters

JF - The Astrophysical Journal Letters

SN - 2041-8205

IS - 2

M1 - L27

ER -

ID: 337693183