The Lyman Continuum Escape Fraction of Star-forming Galaxies at 2.4 ≲ z ≲ 3.0 from UVCANDELS

被引：0

作者：

Wang, Xin ^{[1
,2
,3
]}

Teplitz, Harry I. ^{[4
]}

Smith, Brent M. ^{[5
]}

Windhorst, Rogier A. ^{[5
]}

Rafelski, Marc ^{[6
,7
]}

Mehta, Vihang ^{[4
]}

Alavi, Anahita ^{[4
]}

Ji, Zhiyuan ^{[8
]}

Brammer, Gabriel ^{[9
,10
]}

Colbert, James ^{[4
]}

Grogin, Norman ^{[6
]}

Hathi, Nimish P. ^{[6
]}

Koekemoer, Anton M. ^{[6
]}

Prichard, Laura ^{[6
]}

Scarlata, Claudia ^{[11
,12
]}

Sunnquist, Ben ^{[6
]}

Haro, Pablo Arrabal ^{[13
]}

Conselice, Christopher ^{[14
]}

Gawiser, Eric ^{[15
]}

Guo, Yicheng ^{[16
]}

Hayes, Matthew ^{[17
,18
]}

Jansen, Rolf A. ^{[5
]}

Lucas, Ray A. ^{[6
]}

O'Connell, Robert ^{[19
]}

Robertson, Brant ^{[20
]}

Rutkowski, Michael ^{[21
]}

Siana, Brian ^{[22
]}

Vanzella, Eros ^{[23
]}

Ashcraft, Teresa ^{[5
]}

Bagley, Micaela ^{[24
]}

Baronchelli, Ivano ^{[25
,26
]}

Barro, Guillermo ^{[27
]}

Blanche, Alex ^{[5
]}

Broussard, Adam ^{[15
]}

Carleton, Timothy ^{[5
]}

Chartab, Nima ^{[28
]}

Cheng, Yingjie ^{[29
]}

Codoreanu, Alex ^{[30
]}

Cohen, Seth ^{[5
]}

Dai, Y. Sophia ^{[2
]}

Darvish, Behnam ^{[22
]}

Dave, Romeel ^{[31
]}

Degroot, Laura ^{[32
]}

Mello, Duilia De ^{[33
]}

Dickinson, Mark ^{[13
]}

Emami, Najmeh ^{[22
]}

Ferguson, Henry ^{[6
]}

Ferreira, Leonardo ^{[34
]}

Finkelstein, Keely

Finkelstein, Steven

机构：

[1] Univ Chinese Acad Sci UCAS, Sch Astron & Space Sci, Beijing 100049, Peoples R China

[2] Chinese Acad Sci, Natl Astron Observ, Beijing 100101, Peoples R China

[3] Beijing Normal Univ, Inst Frontiers Astron & Astrophys, Beijing 102206, Peoples R China

[4] CALTECH, IPAC, Mail Code 314-6,1200 E Calif Blvd, Pasadena, CA 91125 USA

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

[6] Space Telescope Sci Inst, Baltimore, MD 21218 USA

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

[8] Univ Massachusetts, Littleton, MA USA

[9] Cosm Dawn Ctr DAWN, Copenhagen, Denmark

[10] Univ Copenhagen, Niels Bohr Inst, Jagtvej 128, Copenhagen, Denmark

[11] UNIV MINNESOTA, Minnesota Inst Astrophys, Minneapolis, MN 55455 USA

[12] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA

[13] NSFs NOIRLab, Tucson, AZ USA

[14] Univ Nottingham, Nottingham NG7 2RD, England

[15] Rutgers State Univ, Rutgers, Piscataway, NJ USA

[16] Univ Missouri, Columbia, MO USA

[17] Stockholm Univ, AlbaNova Univ Ctr, Dept Astron, Stockholm, Sweden

[18] Stockholm Univ, AlbaNova Univ Ctr, Oskar Klein Ctr Cosmoparticle Phys, SE-10691 Stockholm, Sweden

[19] Univ Virginia, Dept Astron, Charlottesville, VA 22904 USA

[20] Univ Calif Santa Cruz, Santa Cruz, CA USA

[21] Minnesota State Univ Mankato, Dept Phys & Astron, Mankato, MN 56001 USA

[22] Univ Calif Riverside, Dept Phys & Astron, Riverside, CA USA

[23] INAF OAS Osservatorio Astrofis & Sci Spazio Bologn, Via Gobetti 93-3, I-40129 Bologna, Italy

[24] Univ Texas Austin, Dept Astron, Austin, TX 78712 USA

[25] INAF Osservatorio Astron Padova, Vicolo Osservatorio 5, I-35122 Padua, Italy

[26] Univ Padua, Dipartimento Fis & Astron, Vicolo Osservatorio 3, I-35122 Padua, Italy

[27] Univ Pacific, Dept Phys, Stockton, CA 95211 USA

[28] Observ Carnegie Inst Washington, Pasadena, CA 91101 USA

[29] Univ Massachusetts, Dept Astron, Amherst, MA 01003 USA

[30] Swinburne Univ Technol, Lilydale, 3122, Australia

[31] Univ Edinburgh, Edinburgh, Scotland

[32] Coll Wooster, Wooster, OH 44691 USA

[33] Catholic Univ Amer, Dept Phys, Washington, DC USA

[34] Univ Nottingham, Ctr Astron & Particle Phys, Sch Phys & Astron, Nottingham NG7 2RD, England

[35] NASA, Astrophys Sci Div, Goddard Space Flight Ctr, Greenbelt, MD USA

[36] Penn State Univ, Dept Astron & Astrophys, University Pk, PA 16802 USA

[37] Penn State Univ, Bellefonte, PA USA

[38] Univ Toronto, 50 St George St, Toronto, ON M5S 3H4, Canada

[39] Univ Hertfordshire, Ctr Astrophys Res, Dept Phys Astron & Math, Hatfield AL10 9AB, England

[40] Max Planck Inst Astron, Heidelberg, Germany

[41] Korea Astron & Space Sci Inst, Daejeon, South Korea

[42] Steward Observ, Tucson, AZ USA

[43] Computat Phys Inc, Springfield, VA 02451 USA

来源：

ASTROPHYSICAL JOURNAL | 2025年 / 980卷 / 01期

基金：

中国国家自然科学基金; 美国国家航空航天局;

关键词：

HUBBLE-SPACE-TELESCOPE; CATALOGS SOURCE IDENTIFICATION; ULTRA DEEP FIELD; SPECTROSCOPIC SURVEY; PHOTOMETRIC REDSHIFTS; COSMIC REIONIZATION; IONIZING-RADIATION; OPTICAL SPECTROSCOPY; LUMINOSITY FUNCTION; UVUDF ULTRAVIOLET;

D O I：

10.3847/1538-4357/ada4ab

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The UltraViolet Imaging of the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey Fields (UVCANDELS) survey is a Hubble Space Telescope (HST) Cycle-26 Treasury Program, allocated in total 164 orbits of primary Wide-Field Camera 3 Ultraviolet and VISible light F275W imaging with coordinated parallel Advanced Camera for Surveys F435W imaging, on four of the five premier extragalactic survey fields: GOODS-N, GOODS-S, EGS, and COSMOS. We introduce this survey by presenting a comprehensive analysis of the absolute escape fraction ( fescabs ) of Lyman continuum radiation through stacking the UV images of a population of star-forming galaxies with secure redshifts at 2.4 <= z <= 3.0. Our stacking benefits from the catalogs of high-quality spectroscopic redshifts compiled from archival ground-based data and HST slitless spectroscopy, carefully vetted by dedicated visual inspection efforts. We develop a robust stacking method to apply to 10 samples of in total 56 galaxies, and perform detailed Monte Carlo simulations of the intergalactic medium (IGM) attenuation, to take into account the sample variance of the mean IGM transmission when measuring fescabs . The full stack at z approximate to 2.44 from 28 galaxies places a stringent 1 sigma upper limit of fescabs less than or similar to 5% , whereas the full stack at z approximate to 2.72 of an equal number of galaxies gives an upper limit of fescabs less than or similar to 26% at 1 sigma confidence level. These new F275W and F435W imaging mosaics from UVCANDELS have been made publicly available on the Barbara A. Mikulski Archive for Space Telescopes.

引用

页数：22

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