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(Referência obtida automaticamente do Web of Science, por meio da informação sobre o financiamento pela FAPESP e o número do processo correspondente, incluída na publicação pelos autores.)

YOUNG GALAXY CANDIDATES IN THE HUBBLE FRONTIER FIELDS. II. MACS J0416-2403

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Autor(es):
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Infante, Leopoldo [1, 2] ; Zheng, Wei [3] ; Laporte, Nicolas [1, 2] ; Iribarren, Paulina Troncoso [1, 2] ; Molino, Alberto [4, 5] ; Diego, Jose M. [6] ; Bauer, Franz E. [7, 8, 1, 2] ; Zitrin, Adi [9] ; Moustakas, John [10] ; Huang, Xingxing [11] ; Shu, Xinwen [12] ; Bina, David [13] ; Brammer, Gabriel B. [14] ; Broadhurst, Tom [15, 16] ; Ford, Holland C. [3] ; Garcia, Stefano [1, 2] ; Kim, Sam [1, 2]
Número total de Autores: 17
Afiliação do(s) autor(es):
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[1] Pontificia Univ Catolica Chile, Fac Fis, Inst Astrofis, Santiago 7820436 - Chile
[2] Pontificia Univ Catolica Chile, Fac Fis, Ctr Astroingn, Santiago 7820436 - Chile
[3] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 - USA
[4] Univ Sao Paulo, Inst Astron Geofis & Ciencias Atmosfer, BR-05508090 Sao Paulo - Brazil
[5] CSIC, Inst Astrofis Andalucia, E-18008 Granada - Spain
[6] Univ Cantabria, CSIC, Inst Fis Cantabria, IFCA, E-39005 Santander - Spain
[7] Millennium Inst Astrophys, Santiago 7820436 - Chile
[8] Space Sci Inst, Boulder, CO 80301 - USA
[9] CALTECH, Cahill Ctr Astron & Astrophys, Pasadena, CA 91125 - USA
[10] Siena Coll, Dept Phys & Astron, Loudonville, NY 12211 - USA
[11] Univ Sci & Technol China, Dept Astron, Hefei 230026, Anhui - Peoples R China
[12] Anhui Normal Univ, Dept Phys, Wuhu 241000, Anhui - Peoples R China
[13] CNRS, IRAP, F-31400 Toulouse - France
[14] Space Telescope Sci Inst, Baltimore, MD 21218 - USA
[15] Ikerbasque, Basque Fdn Sci, E-48011 Bilbao - Spain
[16] Univ Basque Country, UPV EHU, Dept Theoret Phys, Bilbao - Spain
Número total de Afiliações: 16
Tipo de documento: Artigo Científico
Fonte: ASTROPHYSICAL JOURNAL; v. 815, n. 1 DEC 10 2015.
Citações Web of Science: 14
Resumo

We searched for z greater than or similar to 7 Lyman-break galaxies in the optical-to-mid-infrared Hubble Frontier Field and associated parallel field observations of the strong-lensing cluster MACS J0416-2403. We discovered 22 candidates, of which 6 lie at z greater than or similar to 9 and 1 lies at z greater than or similar to 10. Based on the Hubble and Spitzer photometry, all have secure photometric redshifts and a negligible probability of being at lower redshifts according to their peak-probability ratios, R. This substantial increase in the number of known high-redshift galaxies allows a solid determination of the luminosity function (LF) at z greater than or similar to 8. The number of high-z candidates in the parallel field is considerably higher than that in the Abell 2744 parallel field. Our candidates have median stellar masses of (M-{*}) similar to log 8.44(-0.31)(+0.55)M(circle dot), star formation rates (SFRs) of similar to 1.8(-0.4)(+0.5) M-circle dot yr(-1), and SFR-weighted ages of less than or similar to 300(-140)(+70) Myr. Finally, we are able to put strong constraints on the z = 7, 8, 9, and 10 LFs. One of the objects in the cluster field is a z similar or equal to 10 candidate, with a magnification of mu similar to 20 +/- 13. This object is likely the faintest z similar to 10 object known to date, allowing a first look into the extreme faint end (L similar to 0.04 L{*}) of the z similar to 10 LF (It is named ``Tayna{''} in the Aymara language). (AU)

Processo FAPESP: 14/11806-9 - Desafios para a nova geração de mapeamentos fotométricos de grande campo como o J-PAS
Beneficiário:Alberto Molino Benito
Linha de fomento: Bolsas no Brasil - Pós-Doutorado