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The high-redshift SFR M relation is sensitive to the employed star formation rate and stellar mass indicators: towards addressing the tension between observations and simulations
Indexado
WoS WOS:000518148000071
Scopus SCOPUS_ID:85099605821
DOI 10.1093/MNRAS/STAA157
Año 2020
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



There is a severe tension between the observed star formation rate (SFR)-stellar mass (M,) relations reported by different authors at z = En addition, the observations have not been successfully reproduced by state-of-the-art cosmological simulations that tend to predict a factor of 2-4 smaller SFRs at a fixed M. We examine the evolution of the SFR-M, relation of z = 1-4 galaxies using the SKIRT simulated spectral energy distributions of galaxies sampled from the Evolution and Assembly of GaLaxies and their Environments simulations. We derive SFRs and stellar masses by mimicking different observational techniques. We find that the tension between observed and simulated SFR-M* relations is largely alleviated if similar methods are used to infer the galaxy properties. We find that relations relying on infrared wavelengths (e.g. 24 jtm, MIPS- 24, 70, and 160 um or SPIRE- 250, 350, and 500 um) have SFRs that exceed the intrinsic relation by 0.5 dex. Relations that rely on the spectral energy distribution fitting technique underpredict the SFRs at a fixed stellar mass by-0.5 dex at z 4 but overpredict the measurements by 0.3 dex at z <^> 1. Relations relying on dust corrected rest-frame ultraviolet luminosities, are flatter since they overpredict/underpredict SFRs for low/high star-forming objects and yield deviations from the intrinsic relation from 0.10 to-0.13 dex at z 4. We suggest that the severe tension between different observational studies can be broadly explained by the fact that different groups employ different techniques to infer their SFRs.

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Disciplinas de Investigación



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Astronomy & Astrophysics
Scopus
Sin Disciplinas
SciELO
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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Katsianis, A. Hombre Shanghai Jiao Tong Univ - China
Universidad de Chile - Chile
Shanghai Jiao Tong University - China
2 Gonzalez, Vicente A. Hombre CASSACA - Chile
CATA - Chile
Chinese Academy of Sciences - China
Centro de Excelencia en Astrofísica y Tecnologías Afines - Chile
3 Barrientos, D. - Universidad de Chile - Chile
4 Yang, X. - Shanghai Jiao Tong Univ - China
5 LAGOS-AGUIRRE, CAROLINA TATIANA Mujer Univ Western Australia - Australia
ARC Ctr Ercellenee All Sky Astrophys 3 Dimens AST - Australia
Univ Copenhagen - Dinamarca
The University of Western Australia - Australia
ARC Centre of Excellence for All-sky Astrophysics - Australia
Københavns Universitet - Dinamarca
6 Schaye, Joop Hombre Leiden Univ - Países Bajos
Sterrewacht Leiden - Países Bajos
7 Camps, P. Hombre Univ Ghent - Bélgica
Universiteit Gent - Bélgica
8 Trcka, A. - Univ Ghent - Bélgica
Universiteit Gent - Bélgica
9 Baes, Maarten Hombre Univ Ghent - Bélgica
Universiteit Gent - Bélgica
10 Stalevski, Marko Hombre Univ Ghent - Bélgica
Astron Observ - Serbia
Universiteit Gent - Bélgica
Astronomical Observatory Belgrade - Serbia
11 BLANC-MENDIBERRI, GUILLERMO ALBERTO Hombre Universidad de Chile - Chile
Observ Carnegie Inst Sci - Estados Unidos
Observatorio Las Campanas - Estados Unidos
12 Theuns, Tom - Univ Durham - Reino Unido
Durham University - Reino Unido

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Financiamiento



Fuente
National Natural Science Foundation of China
National science foundation of China
Ministry of Education, Science and Technological Development of the Republic of Serbia
Ministry of Education
Natural Science Foundation of Shanghai
Fondo Nacional de Desarrollo Científico y Tecnológico
Comisión Nacional de Investigación Científica y Tecnológica
Shanghai Jiao Tong University
Ministry of Education of the People's Republic of China
Shanghai Natural Science Foundation
Danish National Research Foundation
Durham University
Danmarks Grundforskningsfond
ARC Centre of Excellence for All Sky Astrophysics in 3 Dimensions (ASTRO 3D)
Ministarstvo Prosvete, Nauke i Tehnoloskog Razvoja
CONICYT/FONDECYT fellowship
Tsung-Dao Lee Institute Fellowship
ARC Centre of Excellence
STFC DiRAC
Tsung-Dao Lee Institute
Key Laboratory for Particle Physics, Astrophysics and Cosmology
Large-Scale Structure of the Universe

Muestra la fuente de financiamiento declarada en la publicación.

Agradecimientos



Agradecimiento
This work used the DiRAC Data Centric system at Durham University, operated by the Institute for Computational Cosmology on behalf of the STFC DiRAC HPC Facility (www.dirac.ac.uk). AK has been supported by the Tsung-Dao Lee Institute Fellowship, Shanghai Jiao Tong University, and CONICYT/FONDECYT fellowship, project number: 3160049. XY is supported by the national science foundation of China (grant nos. 11833005, 11890692, and 11621303) and Shanghai Natural Science Foundation, grant no. 15ZR1446700. We also thank the support of the Key Laboratory for Particle Physics, Astrophysics and Cosmology, and Ministry of Education. CL has received funding from the ARC Centre of Excellence for All Sky Astrophysics in 3 Dimensions (ASTRO 3D), through project number CE170100013. Cosmic Dawn Centre is funded by the Danish National Research Foundation. MS acknowledges support by the Ministry of Education, Science and Technological Development of the Republic of Serbia through the projects Astrophysical Spectroscopy of Extragalactic Objects (176001) and Gravitation and the Large-Scale Structure of the Universe (176003). We would like to thank the anonymous referee for the suggestions and comments that significantly improved our work.
This work used the DiRAC Data Centric system at Durham University, operated by the Institute for Computational Cosmology on behalf of the STFC DiRAC HPC Facility (www.dirac.ac.uk). AK has been supported by the Tsung-Dao Lee Institute Fellowship, Shanghai Jiao Tong University, and CONICYT/FONDECYT fellowship, project number: 3160049. XY is supported by the national science foundation of China (grant nos. 11833005, 11890692, and 11621303) and Shanghai Natural Science Foundation, grant no. 15ZR1446700. We also thank the support of the Key Laboratory for Particle Physics, Astrophysics and Cosmology, and Ministry of Education. CL has received funding from the ARC Centre of Excellence for All Sky Astrophysics in 3 Dimensions (ASTRO 3D), through project number CE170100013. Cosmic Dawn Centre is funded by the Danish National Research Foundation. MS acknowledges support by the Ministry of Education, Science and Technological Development of the Republic of Serbia through the projects Astrophysical Spectroscopy of Extragalactic Objects (176001) and Gravitation and the Large-Scale Structure of the Universe (176003). We would like to thank the anonymous referee for the suggestions and comments that significantly improved our work.

Muestra la fuente de financiamiento declarada en la publicación.