Panic! at the Disks: First Rest-frame Optical Observations of Galaxy Structure at z > 3 with JWST in the SMACS 0723 Field

被引：92

作者：

Ferreira, Leonardo ^{[1
]}

Adams, Nathan ^{[2
]}

Conselice, Christopher J. ^{[2
]}

Sazonova, Elizaveta ^{[3
]}

Austin, Duncan ^{[2
]}

Caruana, Joseph ^{[4
,5
]}

Ferrari, Fabricio ^{[6
]}

Verma, Aprajita ^{[7
]}

Trussler, James ^{[2
]}

Broadhurst, Tom ^{[8
,9
,10
]}

Diego, Jose ^{[11
]}

Frye, Brenda L. ^{[12
]}

Pascale, Massimo ^{[13
]}

Wilkins, Stephen M. ^{[5
,14
]}

Windhorst, Rogier A. ^{[15
]}

Zitrin, Adi ^{[16
]}

机构：

[1] Univ Nottingham, Ctr Astron & Particle Theory, Nottingham, England

[2] Univ Manchester, Jodrell Bank, Ctr Astrophys, Oxford Rd, Manchester, Lancs, England

[3] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA

[4] Univ Malta, Dept Phys, Msida 2080, MSD, Malta

[5] Univ Malta, Inst Space Sci & Astron, Msida 2080, MSD, Malta

[6] Univ Fed Rio Grande, Inst Matemat Estat & Fis, Rio Grande, RS, Brazil

[7] Univ Oxford, Subdept Astrophys, Denys Wilkinson Bldg,Keble Rd, Oxford OX1 3RH, England

[8] Univ Basque Country, Dept Phys, UPV EHU, E-48080 Bilbao, Spain

[9] Univ Basque Country, UPV EHU, DIPC, E-48080 Bilbao, Spain

[10] Basque Fdn Sci, Ikerbasque, E-48011 Bilbao, Spain

[11] Inst Fis Cantabria UC CSIC, FCA, Av Los Castros S-N, E-39005 Santander, Spain

[12] Univ Arizona, Dept Astron, Steward Observ, 933 N Cherry Ave, Tucson, AZ 85721 USA

[13] Univ Calif Berkeley, Dept Astron, 501 Campbell Hall 3411, Berkeley, CA 94720 USA

[14] Univ Sussex, Astron Ctr, Brighton BN1 9QH, E Sussex, England

[15] Arizona State Univ, Sch Earth & Space Explorat, Tempe, AZ 85287 USA

[16] Ben Gurion Univ Negev, Phys Dept, POB 653, IL-8410501 Beer Sheva, Israel

来源：

ASTROPHYSICAL JOURNAL LETTERS | 2022年 / 938卷 / 01期

基金：

欧洲研究理事会;

关键词：

PHOTOMETRIC REDSHIFTS; STELLAR POPULATIONS; SPACE-TELESCOPE; CLUSTER GALAXIES; DISTANT GALAXIES; MASSIVE GALAXIES; HUBBLE SEQUENCE; FAINT GALAXIES; DEEP-FIELD; EVOLUTION;

D O I：

10.3847/2041-8213/ac947c

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present early results regarding the morphological and structural properties of galaxies seen with the James Webb Space Telescope (JWST) at z > 3 in the Early Release Observations toward the SMACS 0723 cluster field. Using JWST we investigate, for the first time, the optical morphologies of a significant number of z > 3 galaxies with accurate photometric redshifts in this field to determine the form of galaxy structure in the relatively early universe. We use visual morphologies and Morfometryka measures to perform quantitative morphology measurements, both parametric with light profile fitting (Sersic indices) and nonparametric (concentration, asymmetry, and smoothness (CAS) values). Using these, we measure the relative fraction of disk, spheroidal, and peculiar galaxies at 3 < z < 8. We discover the surprising result that at z > 1.5 disk galaxies dominate the overall fraction of morphologies, with a factor of similar to 10 relative higher number of disk galaxies than seen by the Hubble Space Telescope at these redshifts. Our visual morphological estimates of galaxies align closely with their locations in CAS parameter space and their Sersic indices.

引用

页数：9

共 40 条

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Ferreira, Leonardo
Adams, Nathan
Conselice, Christopher J.
Sazonova, Elizaveta
Austin, Duncan
Caruana, Joseph
Ferrari, Fabricio
Verma, Aprajita
Trussler, James
Broadhurst, Tom
Diego, Jose
Frye, Brenda L.
Pascale, Massimo
Wilkins, Stephen M.
Windhorst, Rogier A.
Zitrin, Adi
arXiv, 2022,
[2] Revealing galaxy candidates out to z ∼16 with JWST observations of the lensing cluster SMACS0723
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MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2023, 519 (01) : 1201 - 1220
[3] The JWST Hubble Sequence: The Rest-frame Optical Evolution of Galaxy Structure at 1.5 < z < 6.5
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[7] Rest-frame optical and far-infrared observations of extremely bright Lyman-break galaxy candidates at z ∼ 2.5
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ASTROPHYSICAL JOURNAL LETTERS, 2023, 945 (01)
[9] AGES OF MASSIVE GALAXIES AT 0.5 > z > 2.0 FROM 3D-HST REST-FRAME OPTICAL SPECTROSCOPY
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ASTROPHYSICAL JOURNAL, 2007, 671 (02): : 1241 - 1247

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Panic! at the Disks: First Rest-frame Optical Observations of Galaxy Structure at z &gt; 3 with JWST in the SMACS 0723 Field

Panic! at the Disks: First Rest-frame Optical Observations of Galaxy Structure at z > 3 with JWST in the SMACS 0723 Field