Early Results from GLASS-JWST. XIV. A Spectroscopically Confirmed Protocluster 650 Million Years after the Big Bang

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

Standard

Early Results from GLASS-JWST. XIV. A Spectroscopically Confirmed Protocluster 650 Million Years after the Big Bang. / Morishita, Takahiro; Roberts-Borsani, Guido; Treu, Tommaso; Brammer, Gabriel; Mason, Charlotte A.; Trenti, Michele; Vulcani, Benedetta; Wang, Xin; Acebron, Ana; Bahe, Yannick; Bergamini, Pietro; Boyett, Kristan; Bradac, Marusa; Calabro, Antonello; Castellano, Marco; Chen, Wenlei; De Lucia, Gabriella; Filippenko, Alexei V.; Fontana, Adriano; Glazebrook, Karl; Grillo, Claudio; Henry, Alaina; Jones, Tucker; Kelly, Patrick L.; Koekemoer, Anton M.; Leethochawalit, Nicha; Lu, Ting-Yi; Marchesini, Danilo; Mascia, Sara; Mercurio, Amata; Merlin, Emiliano; Metha, Benjamin; Nanayakkara, Themiya; Nonino, Mario; Paris, Diego; Pentericci, Laura; Rosati, Piero; Santini, Paola; Strait, Victoria; Vanzella, Eros; Windhorst, Rogier A.; Xie, Lizhi.

In: Astrophysical Journal Letters, Vol. 947, No. 2, 24, 01.04.2023.

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

Harvard

Morishita, T, Roberts-Borsani, G, Treu, T, Brammer, G, Mason, CA, Trenti, M, Vulcani, B, Wang, X, Acebron, A, Bahe, Y, Bergamini, P, Boyett, K, Bradac, M, Calabro, A, Castellano, M, Chen, W, De Lucia, G, Filippenko, AV, Fontana, A, Glazebrook, K, Grillo, C, Henry, A, Jones, T, Kelly, PL, Koekemoer, AM, Leethochawalit, N, Lu, T-Y, Marchesini, D, Mascia, S, Mercurio, A, Merlin, E, Metha, B, Nanayakkara, T, Nonino, M, Paris, D, Pentericci, L, Rosati, P, Santini, P, Strait, V, Vanzella, E, Windhorst, RA & Xie, L 2023, 'Early Results from GLASS-JWST. XIV. A Spectroscopically Confirmed Protocluster 650 Million Years after the Big Bang', Astrophysical Journal Letters, vol. 947, no. 2, 24. https://doi.org/10.3847/2041-8213/acb99e

APA

Morishita, T., Roberts-Borsani, G., Treu, T., Brammer, G., Mason, C. A., Trenti, M., Vulcani, B., Wang, X., Acebron, A., Bahe, Y., Bergamini, P., Boyett, K., Bradac, M., Calabro, A., Castellano, M., Chen, W., De Lucia, G., Filippenko, A. V., Fontana, A., ... Xie, L. (2023). Early Results from GLASS-JWST. XIV. A Spectroscopically Confirmed Protocluster 650 Million Years after the Big Bang. Astrophysical Journal Letters, 947(2), [24]. https://doi.org/10.3847/2041-8213/acb99e

Vancouver

Morishita T, Roberts-Borsani G, Treu T, Brammer G, Mason CA, Trenti M et al. Early Results from GLASS-JWST. XIV. A Spectroscopically Confirmed Protocluster 650 Million Years after the Big Bang. Astrophysical Journal Letters. 2023 Apr 1;947(2). 24. https://doi.org/10.3847/2041-8213/acb99e

Author

Morishita, Takahiro ; Roberts-Borsani, Guido ; Treu, Tommaso ; Brammer, Gabriel ; Mason, Charlotte A. ; Trenti, Michele ; Vulcani, Benedetta ; Wang, Xin ; Acebron, Ana ; Bahe, Yannick ; Bergamini, Pietro ; Boyett, Kristan ; Bradac, Marusa ; Calabro, Antonello ; Castellano, Marco ; Chen, Wenlei ; De Lucia, Gabriella ; Filippenko, Alexei V. ; Fontana, Adriano ; Glazebrook, Karl ; Grillo, Claudio ; Henry, Alaina ; Jones, Tucker ; Kelly, Patrick L. ; Koekemoer, Anton M. ; Leethochawalit, Nicha ; Lu, Ting-Yi ; Marchesini, Danilo ; Mascia, Sara ; Mercurio, Amata ; Merlin, Emiliano ; Metha, Benjamin ; Nanayakkara, Themiya ; Nonino, Mario ; Paris, Diego ; Pentericci, Laura ; Rosati, Piero ; Santini, Paola ; Strait, Victoria ; Vanzella, Eros ; Windhorst, Rogier A. ; Xie, Lizhi. / Early Results from GLASS-JWST. XIV. A Spectroscopically Confirmed Protocluster 650 Million Years after the Big Bang. In: Astrophysical Journal Letters. 2023 ; Vol. 947, No. 2.

Bibtex

@article{33a3862c79644ad4a060728e09d92be3,
title = "Early Results from GLASS-JWST. XIV. A Spectroscopically Confirmed Protocluster 650 Million Years after the Big Bang",
abstract = "We present the spectroscopic confirmation of a protocluster at z = 7.88 behind the galaxy cluster Abell 2744 (hereafter A2744-z7p9OD). Using JWST NIRSpec, we find seven galaxies within a projected radius of 60 kpc. Although the galaxies reside in an overdensity around greater than or similar to 20x greater than a random volume, they do not show strong Ly alpha emission. We place 2 sigma upper limits on the rest-frame equivalent width alpha emission, we constrain the volume-averaged neutral fraction of hydrogen in the intergalactic medium to be x (HI) > 0.45 (68% C i). Using an empirical M (UV)-M (halo) relation for individual galaxies, we estimate that the total halo mass of the system is greater than or similar to 4 x 10(11) M (circle dot). Likewise, the line-of-sight velocity dispersion is estimated to be 1100 +/- 200 km s(-1). Using an empirical relation, we estimate the present-day halo mass of A2744-z7p9OD to be similar to 2 x 10(15) M (circle dot), comparable to the Coma cluster. A2744-z7p9OD is the highest redshift spectroscopically confirmed protocluster to date, demonstrating the power of JWST to investigate the connection between dark-matter halo assembly and galaxy formation at very early times with medium-deep observations at",
keywords = "SIMILAR-TO 8, IONIZED BUBBLE, GALAXY PROTOCLUSTERS, COSMIC REIONIZATION, PHYSICAL-PROPERTIES, NEUTRAL FRACTION, ALPHA EMISSION, SURVEY DESIGN, I., EVOLUTION",
author = "Takahiro Morishita and Guido Roberts-Borsani and Tommaso Treu and Gabriel Brammer and Mason, {Charlotte A.} and Michele Trenti and Benedetta Vulcani and Xin Wang and Ana Acebron and Yannick Bahe and Pietro Bergamini and Kristan Boyett and Marusa Bradac and Antonello Calabro and Marco Castellano and Wenlei Chen and {De Lucia}, Gabriella and Filippenko, {Alexei V.} and Adriano Fontana and Karl Glazebrook and Claudio Grillo and Alaina Henry and Tucker Jones and Kelly, {Patrick L.} and Koekemoer, {Anton M.} and Nicha Leethochawalit and Ting-Yi Lu and Danilo Marchesini and Sara Mascia and Amata Mercurio and Emiliano Merlin and Benjamin Metha and Themiya Nanayakkara and Mario Nonino and Diego Paris and Laura Pentericci and Piero Rosati and Paola Santini and Victoria Strait and Eros Vanzella and Windhorst, {Rogier A.} and Lizhi Xie",
year = "2023",
month = apr,
day = "1",
doi = "10.3847/2041-8213/acb99e",
language = "English",
volume = "947",
journal = "The Astrophysical Journal Letters",
issn = "2041-8205",
publisher = "IOP Publishing",
number = "2",

}

RIS

TY - JOUR

T1 - Early Results from GLASS-JWST. XIV. A Spectroscopically Confirmed Protocluster 650 Million Years after the Big Bang

AU - Morishita, Takahiro

AU - Roberts-Borsani, Guido

AU - Treu, Tommaso

AU - Brammer, Gabriel

AU - Mason, Charlotte A.

AU - Trenti, Michele

AU - Vulcani, Benedetta

AU - Wang, Xin

AU - Acebron, Ana

AU - Bahe, Yannick

AU - Bergamini, Pietro

AU - Boyett, Kristan

AU - Bradac, Marusa

AU - Calabro, Antonello

AU - Castellano, Marco

AU - Chen, Wenlei

AU - De Lucia, Gabriella

AU - Filippenko, Alexei V.

AU - Fontana, Adriano

AU - Glazebrook, Karl

AU - Grillo, Claudio

AU - Henry, Alaina

AU - Jones, Tucker

AU - Kelly, Patrick L.

AU - Koekemoer, Anton M.

AU - Leethochawalit, Nicha

AU - Lu, Ting-Yi

AU - Marchesini, Danilo

AU - Mascia, Sara

AU - Mercurio, Amata

AU - Merlin, Emiliano

AU - Metha, Benjamin

AU - Nanayakkara, Themiya

AU - Nonino, Mario

AU - Paris, Diego

AU - Pentericci, Laura

AU - Rosati, Piero

AU - Santini, Paola

AU - Strait, Victoria

AU - Vanzella, Eros

AU - Windhorst, Rogier A.

AU - Xie, Lizhi

PY - 2023/4/1

Y1 - 2023/4/1

N2 - We present the spectroscopic confirmation of a protocluster at z = 7.88 behind the galaxy cluster Abell 2744 (hereafter A2744-z7p9OD). Using JWST NIRSpec, we find seven galaxies within a projected radius of 60 kpc. Although the galaxies reside in an overdensity around greater than or similar to 20x greater than a random volume, they do not show strong Ly alpha emission. We place 2 sigma upper limits on the rest-frame equivalent width alpha emission, we constrain the volume-averaged neutral fraction of hydrogen in the intergalactic medium to be x (HI) > 0.45 (68% C i). Using an empirical M (UV)-M (halo) relation for individual galaxies, we estimate that the total halo mass of the system is greater than or similar to 4 x 10(11) M (circle dot). Likewise, the line-of-sight velocity dispersion is estimated to be 1100 +/- 200 km s(-1). Using an empirical relation, we estimate the present-day halo mass of A2744-z7p9OD to be similar to 2 x 10(15) M (circle dot), comparable to the Coma cluster. A2744-z7p9OD is the highest redshift spectroscopically confirmed protocluster to date, demonstrating the power of JWST to investigate the connection between dark-matter halo assembly and galaxy formation at very early times with medium-deep observations at

AB - We present the spectroscopic confirmation of a protocluster at z = 7.88 behind the galaxy cluster Abell 2744 (hereafter A2744-z7p9OD). Using JWST NIRSpec, we find seven galaxies within a projected radius of 60 kpc. Although the galaxies reside in an overdensity around greater than or similar to 20x greater than a random volume, they do not show strong Ly alpha emission. We place 2 sigma upper limits on the rest-frame equivalent width alpha emission, we constrain the volume-averaged neutral fraction of hydrogen in the intergalactic medium to be x (HI) > 0.45 (68% C i). Using an empirical M (UV)-M (halo) relation for individual galaxies, we estimate that the total halo mass of the system is greater than or similar to 4 x 10(11) M (circle dot). Likewise, the line-of-sight velocity dispersion is estimated to be 1100 +/- 200 km s(-1). Using an empirical relation, we estimate the present-day halo mass of A2744-z7p9OD to be similar to 2 x 10(15) M (circle dot), comparable to the Coma cluster. A2744-z7p9OD is the highest redshift spectroscopically confirmed protocluster to date, demonstrating the power of JWST to investigate the connection between dark-matter halo assembly and galaxy formation at very early times with medium-deep observations at

KW - SIMILAR-TO 8

KW - IONIZED BUBBLE

KW - GALAXY PROTOCLUSTERS

KW - COSMIC REIONIZATION

KW - PHYSICAL-PROPERTIES

KW - NEUTRAL FRACTION

KW - ALPHA EMISSION

KW - SURVEY DESIGN

KW - I.

KW - EVOLUTION

U2 - 10.3847/2041-8213/acb99e

DO - 10.3847/2041-8213/acb99e

M3 - Letter

VL - 947

JO - The Astrophysical Journal Letters

JF - The Astrophysical Journal Letters

SN - 2041-8205

IS - 2

M1 - 24

ER -

ID: 355102346