Correlations between H alpha equivalent width and galaxy properties at z=0.47: Physical or selection-driven?

doi:10.1093/mnras/stab778

NAOC Open IR

	Correlations between H alpha equivalent width and galaxy properties at z=0.47: Physical or selection-driven?
	Khostovan, A. A.1; Malhotra, S.1,2; Rhoads, J. E.1,2; Harish, S.2; Jiang, C.3; Wang, J.4; Wold, I 1; Zheng, Z-Y 3; Barrientos, L. F.5; Coughlin, A.2,6; Hu, W.4; Infante, L.5,7,8; Perez, L. A.2; Pharo, J.2; Valdes, F.9; Walker, A. R.10
	2021-06-01
Source Publication	MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN	0035-8711
Volume	503 Issue:4 Pages:5115-5133
Abstract	The H alpha equivalent width (EW) is an observational proxy for specific star formation rate (sSFR) and a tracer of episodic, bursty star-formation activity. Previous assessments show that the H alpha EW strongly anticorrelates with stellar mass as M-0.25 similar to the sSFR - stellar mass relation. However, such a correlation could be driven or even formed by selection effects. In this study, we investigate how H alpha EW distributions correlate with physical properties of galaxies and how selection biases could alter such correlations using a z = 0.47 narrow-band-selected sample of 1572 H alpha emitters from the Ly alpha Galaxies in the Epoch of Reionization (LAGER) survey as our observational case study. The sample covers a 3 deg(2) area of COSMOS with a survey comoving volume of 1.1 x 10(5) Mpc(3). We assume an intrinsic EW distribution to form mock samples of H alpha emitters and propagate the selection criteria to match observations, giving us control on how selection biases can affect the underlying results. We find that H alpha EW intrinsically correlates with stellar mass as W-0 proportional to M-0.16 +/- 0.03 and decreases by a factor of similar to 3 from 10(7) M-circle dot to 10(10) M-circle dot, while not correcting for selection effects steepens the correlation as M-025 +/- 0.04, We find low-mass H alpha emitters to be similar to 320 times more likely to have rest-frame EW > 200 angstrom compared to high-mass H alpha emitters. Combining the intrinsic W-0-stellar mass correlation with an observed stellar mass function correctly reproduces the observed H alpha luminosity function, while not correcting for selection effects underestimates the number of bright emitters. This suggests that the W-0-stellar mass correlation when corrected for selection effects is physically significant and reproduces three statistical distributions of galaxy populations (line luminosity function, stellar mass function, EW distribution). At lower stellar masses, we find there are more high-EW outliers compared to high stellar masses, even after we take into account selection effects. Our results suggest that high sSFR outliers indicative of bursty star formation activity are intrinsically more prevalent in low-mass H alpha emitters and not a byproduct of selection effects.
Keyword	galaxies: active galaxies: evolution galaxies: starburst galaxies: star formation
Funding Organization	NASA ; NASA ; National Science Foundation of China ; National Science Foundation of China ; CAS Frontier Science Key Research Program ; CAS Frontier Science Key Research Program ; U.S. Department of Energy ; U.S. Department of Energy ; U.S. National Science Foundation ; U.S. National Science Foundation ; Ministry of Science and Education of Spain ; Ministry of Science and Education of Spain ; Science and Technology Facilities Council of the United Kingdom ; Science and Technology Facilities Council of the United Kingdom ; Higher Education Funding Council for England ; Higher Education Funding Council for England ; National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign ; National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign ; Kavli Institute of Cosmological Physics at the University of Chicago ; Kavli Institute of Cosmological Physics at the University of Chicago ; Center for Cosmology and Astro-Particle Physics at the Ohio State University ; Center for Cosmology and Astro-Particle Physics at the Ohio State University ; Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University ; Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University ; Financiadora de Estudos e Projetos ; Financiadora de Estudos e Projetos ; Fundacao Carlos Chagas Filho de Amparo ; Fundacao Carlos Chagas Filho de Amparo ; Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro ; Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro ; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico ; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico ; Ministerio da Ciencia, Tecnologia e Inovacao ; Ministerio da Ciencia, Tecnologia e Inovacao ; Deutsche Forschungsgemeinschaft ; Deutsche Forschungsgemeinschaft ; Argonne National Laboratory ; Argonne National Laboratory ; University of California at Santa Cruz ; University of California at Santa Cruz ; University of Cambridge ; University of Cambridge ; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid ; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid ; University of Chicago ; University of Chicago ; University College London ; University College London ; DES-Brazil Consortium ; DES-Brazil Consortium ; University of Edinburgh ; University of Edinburgh ; Eidgenossische Technische Hochschule (ETH) Zurich ; Eidgenossische Technische Hochschule (ETH) Zurich ; Fermi National Accelerator Laboratory ; Fermi National Accelerator Laboratory ; University of Illinois at Urbana-Champaign ; University of Illinois at Urbana-Champaign ; Institut de Ciencies de l'Espai (IEEC/CSIC) ; Institut de Ciencies de l'Espai (IEEC/CSIC) ; Institut de Fisica d'Altes Energies ; Institut de Fisica d'Altes Energies ; Lawrence Berkeley National Laboratory ; Lawrence Berkeley National Laboratory ; Ludwig-Maximilians Universitat Munchen ; Ludwig-Maximilians Universitat Munchen ; associated Excellence Cluster Universe ; associated Excellence Cluster Universe ; University of Michigan ; University of Michigan ; National Optical Astronomy Observatory ; National Optical Astronomy Observatory ; University of Nottingham ; University of Nottingham ; Ohio State University ; Ohio State University ; OzDES Membership Consortium ; OzDES Membership Consortium ; University of Pennsylvania ; University of Pennsylvania ; University of Portsmouth ; University of Portsmouth ; SLAC National Accelerator Laboratory ; SLAC National Accelerator Laboratory ; Stanford University ; Stanford University ; Texas AM University ; Texas AM University ; CAS Pioneer Hundred Talents Program ; CAS Pioneer Hundred Talents Program ; University of Sussex ; University of Sussex ; NASA ; NASA ; National Science Foundation of China ; National Science Foundation of China ; CAS Frontier Science Key Research Program ; CAS Frontier Science Key Research Program ; U.S. Department of Energy ; U.S. Department of Energy ; U.S. National Science Foundation ; U.S. National Science Foundation ; Ministry of Science and Education of Spain ; Ministry of Science and Education of Spain ; Science and Technology Facilities Council of the United Kingdom ; Science and Technology Facilities Council of the United Kingdom ; Higher Education Funding Council for England ; Higher Education Funding Council for England ; National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign ; National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign ; Kavli Institute of Cosmological Physics at the University of Chicago ; Kavli Institute of Cosmological Physics at the University of Chicago ; Center for Cosmology and Astro-Particle Physics at the Ohio State University ; Center for Cosmology and Astro-Particle Physics at the Ohio State University ; Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University ; Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University ; Financiadora de Estudos e Projetos ; Financiadora de Estudos e Projetos ; Fundacao Carlos Chagas Filho de Amparo ; Fundacao Carlos Chagas Filho de Amparo ; Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro ; Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro ; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico ; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico ; Ministerio da Ciencia, Tecnologia e Inovacao ; Ministerio da Ciencia, Tecnologia e Inovacao ; Deutsche Forschungsgemeinschaft ; Deutsche Forschungsgemeinschaft ; Argonne National Laboratory ; Argonne National Laboratory ; University of California at Santa Cruz ; University of California at Santa Cruz ; University of Cambridge ; University of Cambridge ; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid ; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid ; University of Chicago ; University of Chicago ; University College London ; University College London ; DES-Brazil Consortium ; DES-Brazil Consortium ; University of Edinburgh ; University of Edinburgh ; Eidgenossische Technische Hochschule (ETH) Zurich ; Eidgenossische Technische Hochschule (ETH) Zurich ; Fermi National Accelerator Laboratory ; Fermi National Accelerator Laboratory ; University of Illinois at Urbana-Champaign ; University of Illinois at Urbana-Champaign ; Institut de Ciencies de l'Espai (IEEC/CSIC) ; Institut de Ciencies de l'Espai (IEEC/CSIC) ; Institut de Fisica d'Altes Energies ; Institut de Fisica d'Altes Energies ; Lawrence Berkeley National Laboratory ; Lawrence Berkeley National Laboratory ; Ludwig-Maximilians Universitat Munchen ; Ludwig-Maximilians Universitat Munchen ; associated Excellence Cluster Universe ; associated Excellence Cluster Universe ; University of Michigan ; University of Michigan ; National Optical Astronomy Observatory ; National Optical Astronomy Observatory ; University of Nottingham ; University of Nottingham ; Ohio State University ; Ohio State University ; OzDES Membership Consortium ; OzDES Membership Consortium ; University of Pennsylvania ; University of Pennsylvania ; University of Portsmouth ; University of Portsmouth ; SLAC National Accelerator Laboratory ; SLAC National Accelerator Laboratory ; Stanford University ; Stanford University ; Texas AM University ; Texas AM University ; CAS Pioneer Hundred Talents Program ; CAS Pioneer Hundred Talents Program ; University of Sussex ; University of Sussex ; NASA ; NASA ; National Science Foundation of China ; National Science Foundation of China ; CAS Frontier Science Key Research Program ; CAS Frontier Science Key Research Program ; U.S. Department of Energy ; U.S. Department of Energy ; U.S. National Science Foundation ; U.S. National Science Foundation ; Ministry of Science and Education of Spain ; Ministry of Science and Education of Spain ; Science and Technology Facilities Council of the United Kingdom ; Science and Technology Facilities Council of the United Kingdom ; Higher Education Funding Council for England ; Higher Education Funding Council for England ; National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign ; National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign ; Kavli Institute of Cosmological Physics at the University of Chicago ; Kavli Institute of Cosmological Physics at the University of Chicago ; Center for Cosmology and Astro-Particle Physics at the Ohio State University ; Center for Cosmology and Astro-Particle Physics at the Ohio State University ; Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University ; Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University ; Financiadora de Estudos e Projetos ; Financiadora de Estudos e Projetos ; Fundacao Carlos Chagas Filho de Amparo ; Fundacao Carlos Chagas Filho de Amparo ; Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro ; Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro ; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico ; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico ; Ministerio da Ciencia, Tecnologia e Inovacao ; Ministerio da Ciencia, Tecnologia e Inovacao ; Deutsche Forschungsgemeinschaft ; Deutsche Forschungsgemeinschaft ; Argonne National Laboratory ; Argonne National Laboratory ; University of California at Santa Cruz ; University of California at Santa Cruz ; University of Cambridge ; University of Cambridge ; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid ; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid ; University of Chicago ; University of Chicago ; University College London ; University College London ; DES-Brazil Consortium ; DES-Brazil Consortium ; University of Edinburgh ; University of Edinburgh ; Eidgenossische Technische Hochschule (ETH) Zurich ; Eidgenossische Technische Hochschule (ETH) Zurich ; Fermi National Accelerator Laboratory ; Fermi National Accelerator Laboratory ; University of Illinois at Urbana-Champaign ; University of Illinois at Urbana-Champaign ; Institut de Ciencies de l'Espai (IEEC/CSIC) ; Institut de Ciencies de l'Espai (IEEC/CSIC) ; Institut de Fisica d'Altes Energies ; Institut de Fisica d'Altes Energies ; Lawrence Berkeley National Laboratory ; Lawrence Berkeley National Laboratory ; Ludwig-Maximilians Universitat Munchen ; Ludwig-Maximilians Universitat Munchen ; associated Excellence Cluster Universe ; associated Excellence Cluster Universe ; University of Michigan ; University of Michigan ; National Optical Astronomy Observatory ; National Optical Astronomy Observatory ; University of Nottingham ; University of Nottingham ; Ohio State University ; Ohio State University ; OzDES Membership Consortium ; OzDES Membership Consortium ; University of Pennsylvania ; University of Pennsylvania ; University of Portsmouth ; University of Portsmouth ; SLAC National Accelerator Laboratory ; SLAC National Accelerator Laboratory ; Stanford University ; Stanford University ; Texas AM University ; Texas AM University ; CAS Pioneer Hundred Talents Program ; CAS Pioneer Hundred Talents Program ; University of Sussex ; University of Sussex ; NASA ; NASA ; National Science Foundation of China ; National Science Foundation of China ; CAS Frontier Science Key Research Program ; CAS Frontier Science Key Research Program ; U.S. Department of Energy ; U.S. Department of Energy ; U.S. National Science Foundation ; U.S. National Science Foundation ; Ministry of Science and Education of Spain ; Ministry of Science and Education of Spain ; Science and Technology Facilities Council of the United Kingdom ; Science and Technology Facilities Council of the United Kingdom ; Higher Education Funding Council for England ; Higher Education Funding Council for England ; National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign ; National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign ; Kavli Institute of Cosmological Physics at the University of Chicago ; Kavli Institute of Cosmological Physics at the University of Chicago ; Center for Cosmology and Astro-Particle Physics at the Ohio State University ; Center for Cosmology and Astro-Particle Physics at the Ohio State University ; Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University ; Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University ; Financiadora de Estudos e Projetos ; Financiadora de Estudos e Projetos ; Fundacao Carlos Chagas Filho de Amparo ; Fundacao Carlos Chagas Filho de Amparo ; Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro ; Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro ; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico ; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico ; Ministerio da Ciencia, Tecnologia e Inovacao ; Ministerio da Ciencia, Tecnologia e Inovacao ; Deutsche Forschungsgemeinschaft ; Deutsche Forschungsgemeinschaft ; Argonne National Laboratory ; Argonne National Laboratory ; University of California at Santa Cruz ; University of California at Santa Cruz ; University of Cambridge ; University of Cambridge ; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid ; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid ; University of Chicago ; University of Chicago ; University College London ; University College London ; DES-Brazil Consortium ; DES-Brazil Consortium ; University of Edinburgh ; University of Edinburgh ; Eidgenossische Technische Hochschule (ETH) Zurich ; Eidgenossische Technische Hochschule (ETH) Zurich ; Fermi National Accelerator Laboratory ; Fermi National Accelerator Laboratory ; University of Illinois at Urbana-Champaign ; University of Illinois at Urbana-Champaign ; Institut de Ciencies de l'Espai (IEEC/CSIC) ; Institut de Ciencies de l'Espai (IEEC/CSIC) ; Institut de Fisica d'Altes Energies ; Institut de Fisica d'Altes Energies ; Lawrence Berkeley National Laboratory ; Lawrence Berkeley National Laboratory ; Ludwig-Maximilians Universitat Munchen ; Ludwig-Maximilians Universitat Munchen ; associated Excellence Cluster Universe ; associated Excellence Cluster Universe ; University of Michigan ; University of Michigan ; National Optical Astronomy Observatory ; National Optical Astronomy Observatory ; University of Nottingham ; University of Nottingham ; Ohio State University ; Ohio State University ; OzDES Membership Consortium ; OzDES Membership Consortium ; University of Pennsylvania ; University of Pennsylvania ; University of Portsmouth ; University of Portsmouth ; SLAC National Accelerator Laboratory ; SLAC National Accelerator Laboratory ; Stanford University ; Stanford University ; Texas AM University ; Texas AM University ; CAS Pioneer Hundred Talents Program ; CAS Pioneer Hundred Talents Program ; University of Sussex ; University of Sussex
DOI	10.1093/mnras/stab778
WOS Keyword	STAR-FORMATION RATE ; LYMAN-BREAK GALAXIES ; EMISSION-LINE GALAXIES ; STELLAR MASS FUNCTIONS ; HIGH-REDSHIFT GALAXIES ; BROAD-BAND PHOTOMETRY ; FMOS-COSMOS SURVEY ; SIMILAR-TO 4-5 ; LESS-THAN 6 ; FORMATION HISTORIES
Language	英语
Funding Project	NASA ; National Science Foundation of China[11421303] ; National Science Foundation of China[11890693] ; National Science Foundation of China[11773051] ; National Science Foundation of China[12022303] ; CAS Frontier Science Key Research Program[QYZDJ-SSW-SLH006] ; U.S. Department of Energy ; U.S. National Science Foundation ; Ministry of Science and Education of Spain ; Science and Technology Facilities Council of the United Kingdom ; Higher Education Funding Council for England ; National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign ; Kavli Institute of Cosmological Physics at the University of Chicago ; Center for Cosmology and Astro-Particle Physics at the Ohio State University ; Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University ; Financiadora de Estudos e Projetos ; Fundacao Carlos Chagas Filho de Amparo ; Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro ; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico ; Ministerio da Ciencia, Tecnologia e Inovacao ; Deutsche Forschungsgemeinschaft ; Argonne National Laboratory ; University of California at Santa Cruz ; University of Cambridge ; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid ; University of Chicago ; University College London ; DES-Brazil Consortium ; University of Edinburgh ; Eidgenossische Technische Hochschule (ETH) Zurich ; Fermi National Accelerator Laboratory ; University of Illinois at Urbana-Champaign ; Institut de Ciencies de l'Espai (IEEC/CSIC) ; Institut de Fisica d'Altes Energies ; Lawrence Berkeley National Laboratory ; Ludwig-Maximilians Universitat Munchen ; associated Excellence Cluster Universe ; University of Michigan ; National Optical Astronomy Observatory ; University of Nottingham ; Ohio State University ; OzDES Membership Consortium ; University of Pennsylvania ; University of Portsmouth ; SLAC National Accelerator Laboratory ; Stanford University ; Texas AM University ; CAS Pioneer Hundred Talents Program ; University of Sussex
Funding Organization	NASA ; NASA ; National Science Foundation of China ; National Science Foundation of China ; CAS Frontier Science Key Research Program ; CAS Frontier Science Key Research Program ; U.S. Department of Energy ; U.S. Department of Energy ; U.S. National Science Foundation ; U.S. National Science Foundation ; Ministry of Science and Education of Spain ; Ministry of Science and Education of Spain ; Science and Technology Facilities Council of the United Kingdom ; Science and Technology Facilities Council of the United Kingdom ; Higher Education Funding Council for England ; Higher Education Funding Council for England ; National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign ; National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign ; Kavli Institute of Cosmological Physics at the University of Chicago ; Kavli Institute of Cosmological Physics at the University of Chicago ; Center for Cosmology and Astro-Particle Physics at the Ohio State University ; Center for Cosmology and Astro-Particle Physics at the Ohio State University ; Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University ; Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University ; Financiadora de Estudos e Projetos ; Financiadora de Estudos e Projetos ; Fundacao Carlos Chagas Filho de Amparo ; Fundacao Carlos Chagas Filho de Amparo ; Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro ; Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro ; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico ; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico ; Ministerio da Ciencia, Tecnologia e Inovacao ; Ministerio da Ciencia, Tecnologia e Inovacao ; Deutsche Forschungsgemeinschaft ; Deutsche Forschungsgemeinschaft ; Argonne National Laboratory ; Argonne National Laboratory ; University of California at Santa Cruz ; University of California at Santa Cruz ; University of Cambridge ; University of Cambridge ; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid ; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid ; University of Chicago ; University of Chicago ; University College London ; University College London ; DES-Brazil Consortium ; DES-Brazil Consortium ; University of Edinburgh ; University of Edinburgh ; Eidgenossische Technische Hochschule (ETH) Zurich ; Eidgenossische Technische Hochschule (ETH) Zurich ; Fermi National Accelerator Laboratory ; Fermi National Accelerator Laboratory ; University of Illinois at Urbana-Champaign ; University of Illinois at Urbana-Champaign ; Institut de Ciencies de l'Espai (IEEC/CSIC) ; Institut de Ciencies de l'Espai (IEEC/CSIC) ; Institut de Fisica d'Altes Energies ; Institut de Fisica d'Altes Energies ; Lawrence Berkeley National Laboratory ; Lawrence Berkeley National Laboratory ; Ludwig-Maximilians Universitat Munchen ; Ludwig-Maximilians Universitat Munchen ; associated Excellence Cluster Universe ; associated Excellence Cluster Universe ; University of Michigan ; University of Michigan ; National Optical Astronomy Observatory ; National Optical Astronomy Observatory ; University of Nottingham ; University of Nottingham ; Ohio State University ; Ohio State University ; OzDES Membership Consortium ; OzDES Membership Consortium ; University of Pennsylvania ; University of Pennsylvania ; University of Portsmouth ; University of Portsmouth ; SLAC National Accelerator Laboratory ; SLAC National Accelerator Laboratory ; Stanford University ; Stanford University ; Texas AM University ; Texas AM University ; CAS Pioneer Hundred Talents Program ; CAS Pioneer Hundred Talents Program ; University of Sussex ; University of Sussex ; NASA ; NASA ; National Science Foundation of China ; National Science Foundation of China ; CAS Frontier Science Key Research Program ; CAS Frontier Science Key Research Program ; U.S. Department of Energy ; U.S. Department of Energy ; U.S. National Science Foundation ; U.S. National Science Foundation ; Ministry of Science and Education of Spain ; Ministry of Science and Education of Spain ; Science and Technology Facilities Council of the United Kingdom ; Science and Technology Facilities Council of the United Kingdom ; Higher Education Funding Council for England ; Higher Education Funding Council for England ; National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign ; National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign ; Kavli Institute of Cosmological Physics at the University of Chicago ; Kavli Institute of Cosmological Physics at the University of Chicago ; Center for Cosmology and Astro-Particle Physics at the Ohio State University ; Center for Cosmology and Astro-Particle Physics at the Ohio State University ; Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University ; Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University ; Financiadora de Estudos e Projetos ; Financiadora de Estudos e Projetos ; Fundacao Carlos Chagas Filho de Amparo ; Fundacao Carlos Chagas Filho de Amparo ; Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro ; Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro ; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico ; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico ; Ministerio da Ciencia, Tecnologia e Inovacao ; Ministerio da Ciencia, Tecnologia e Inovacao ; Deutsche Forschungsgemeinschaft ; Deutsche Forschungsgemeinschaft ; Argonne National Laboratory ; Argonne National Laboratory ; University of California at Santa Cruz ; University of California at Santa Cruz ; University of Cambridge ; University of Cambridge ; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid ; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid ; University of Chicago ; University of Chicago ; University College London ; University College London ; DES-Brazil Consortium ; DES-Brazil Consortium ; University of Edinburgh ; University of Edinburgh ; Eidgenossische Technische Hochschule (ETH) Zurich ; Eidgenossische Technische Hochschule (ETH) Zurich ; Fermi National Accelerator Laboratory ; Fermi National Accelerator Laboratory ; University of Illinois at Urbana-Champaign ; University of Illinois at Urbana-Champaign ; Institut de Ciencies de l'Espai (IEEC/CSIC) ; Institut de Ciencies de l'Espai (IEEC/CSIC) ; Institut de Fisica d'Altes Energies ; Institut de Fisica d'Altes Energies ; Lawrence Berkeley National Laboratory ; Lawrence Berkeley National Laboratory ; Ludwig-Maximilians Universitat Munchen ; Ludwig-Maximilians Universitat Munchen ; associated Excellence Cluster Universe ; associated Excellence Cluster Universe ; University of Michigan ; University of Michigan ; National Optical Astronomy Observatory ; National Optical Astronomy Observatory ; University of Nottingham ; University of Nottingham ; Ohio State University ; Ohio State University ; OzDES Membership Consortium ; OzDES Membership Consortium ; University of Pennsylvania ; University of Pennsylvania ; University of Portsmouth ; University of Portsmouth ; SLAC National Accelerator Laboratory ; SLAC National Accelerator Laboratory ; Stanford University ; Stanford University ; Texas AM University ; Texas AM University ; CAS Pioneer Hundred Talents Program ; CAS Pioneer Hundred Talents Program ; University of Sussex ; University of Sussex ; NASA ; NASA ; National Science Foundation of China ; National Science Foundation of China ; CAS Frontier Science Key Research Program ; CAS Frontier Science Key Research Program ; U.S. Department of Energy ; U.S. Department of Energy ; U.S. National Science Foundation ; U.S. National Science Foundation ; Ministry of Science and Education of Spain ; Ministry of Science and Education of Spain ; Science and Technology Facilities Council of the United Kingdom ; Science and Technology Facilities Council of the United Kingdom ; Higher Education Funding Council for England ; Higher Education Funding Council for England ; National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign ; National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign ; Kavli Institute of Cosmological Physics at the University of Chicago ; Kavli Institute of Cosmological Physics at the University of Chicago ; Center for Cosmology and Astro-Particle Physics at the Ohio State University ; Center for Cosmology and Astro-Particle Physics at the Ohio State University ; Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University ; Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University ; Financiadora de Estudos e Projetos ; Financiadora de Estudos e Projetos ; Fundacao Carlos Chagas Filho de Amparo ; Fundacao Carlos Chagas Filho de Amparo ; Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro ; Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro ; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico ; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico ; Ministerio da Ciencia, Tecnologia e Inovacao ; Ministerio da Ciencia, Tecnologia e Inovacao ; Deutsche Forschungsgemeinschaft ; Deutsche Forschungsgemeinschaft ; Argonne National Laboratory ; Argonne National Laboratory ; University of California at Santa Cruz ; University of California at Santa Cruz ; University of Cambridge ; University of Cambridge ; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid ; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid ; University of Chicago ; University of Chicago ; University College London ; University College London ; DES-Brazil Consortium ; DES-Brazil Consortium ; University of Edinburgh ; University of Edinburgh ; Eidgenossische Technische Hochschule (ETH) Zurich ; Eidgenossische Technische Hochschule (ETH) Zurich ; Fermi National Accelerator Laboratory ; Fermi National Accelerator Laboratory ; University of Illinois at Urbana-Champaign ; University of Illinois at Urbana-Champaign ; Institut de Ciencies de l'Espai (IEEC/CSIC) ; Institut de Ciencies de l'Espai (IEEC/CSIC) ; Institut de Fisica d'Altes Energies ; Institut de Fisica d'Altes Energies ; Lawrence Berkeley National Laboratory ; Lawrence Berkeley National Laboratory ; Ludwig-Maximilians Universitat Munchen ; Ludwig-Maximilians Universitat Munchen ; associated Excellence Cluster Universe ; associated Excellence Cluster Universe ; University of Michigan ; University of Michigan ; National Optical Astronomy Observatory ; National Optical Astronomy Observatory ; University of Nottingham ; University of Nottingham ; Ohio State University ; Ohio State University ; OzDES Membership Consortium ; OzDES Membership Consortium ; University of Pennsylvania ; University of Pennsylvania ; University of Portsmouth ; University of Portsmouth ; SLAC National Accelerator Laboratory ; SLAC National Accelerator Laboratory ; Stanford University ; Stanford University ; Texas AM University ; Texas AM University ; CAS Pioneer Hundred Talents Program ; CAS Pioneer Hundred Talents Program ; University of Sussex ; University of Sussex ; NASA ; NASA ; National Science Foundation of China ; National Science Foundation of China ; CAS Frontier Science Key Research Program ; CAS Frontier Science Key Research Program ; U.S. Department of Energy ; U.S. Department of Energy ; U.S. National Science Foundation ; U.S. National Science Foundation ; Ministry of Science and Education of Spain ; Ministry of Science and Education of Spain ; Science and Technology Facilities Council of the United Kingdom ; Science and Technology Facilities Council of the United Kingdom ; Higher Education Funding Council for England ; Higher Education Funding Council for England ; National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign ; National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign ; Kavli Institute of Cosmological Physics at the University of Chicago ; Kavli Institute of Cosmological Physics at the University of Chicago ; Center for Cosmology and Astro-Particle Physics at the Ohio State University ; Center for Cosmology and Astro-Particle Physics at the Ohio State University ; Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University ; Mitchell Institute for Fundamental Physics and Astronomy at Texas AM University ; Financiadora de Estudos e Projetos ; Financiadora de Estudos e Projetos ; Fundacao Carlos Chagas Filho de Amparo ; Fundacao Carlos Chagas Filho de Amparo ; Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro ; Fundacao Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro ; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico ; Conselho Nacional de Desenvolvimento Cientifico e Tecnologico ; Ministerio da Ciencia, Tecnologia e Inovacao ; Ministerio da Ciencia, Tecnologia e Inovacao ; Deutsche Forschungsgemeinschaft ; Deutsche Forschungsgemeinschaft ; Argonne National Laboratory ; Argonne National Laboratory ; University of California at Santa Cruz ; University of California at Santa Cruz ; University of Cambridge ; University of Cambridge ; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid ; Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas-Madrid ; University of Chicago ; University of Chicago ; University College London ; University College London ; DES-Brazil Consortium ; DES-Brazil Consortium ; University of Edinburgh ; University of Edinburgh ; Eidgenossische Technische Hochschule (ETH) Zurich ; Eidgenossische Technische Hochschule (ETH) Zurich ; Fermi National Accelerator Laboratory ; Fermi National Accelerator Laboratory ; University of Illinois at Urbana-Champaign ; University of Illinois at Urbana-Champaign ; Institut de Ciencies de l'Espai (IEEC/CSIC) ; Institut de Ciencies de l'Espai (IEEC/CSIC) ; Institut de Fisica d'Altes Energies ; Institut de Fisica d'Altes Energies ; Lawrence Berkeley National Laboratory ; Lawrence Berkeley National Laboratory ; Ludwig-Maximilians Universitat Munchen ; Ludwig-Maximilians Universitat Munchen ; associated Excellence Cluster Universe ; associated Excellence Cluster Universe ; University of Michigan ; University of Michigan ; National Optical Astronomy Observatory ; National Optical Astronomy Observatory ; University of Nottingham ; University of Nottingham ; Ohio State University ; Ohio State University ; OzDES Membership Consortium ; OzDES Membership Consortium ; University of Pennsylvania ; University of Pennsylvania ; University of Portsmouth ; University of Portsmouth ; SLAC National Accelerator Laboratory ; SLAC National Accelerator Laboratory ; Stanford University ; Stanford University ; Texas AM University ; Texas AM University ; CAS Pioneer Hundred Talents Program ; CAS Pioneer Hundred Talents Program ; University of Sussex ; University of Sussex
WOS Research Area	Astronomy & Astrophysics
WOS Subject	Astronomy & Astrophysics
WOS ID	WOS:000649001600031
Publisher	OXFORD UNIV PRESS
Citation statistics
Document Type	期刊论文
Identifier	http://ir.bao.ac.cn/handle/114a11/77607
Collection	中国科学院国家天文台
Corresponding Author	Khostovan, A. A.
Affiliation	1.NASA, Goddard Space Flight Ctr, Astrophys Div, Greenbelt, MD 20771 USA 2.Arizona State Univ, Sch Earth & Space Explorat, Tempe, AZ 85287 USA 3.Shanghai Astron Observ, CAS Key Lab Res Galaxies & Cosmol, Shanghai 200030, Peoples R China 4.Univ Sci & Technol China, CAS Key Lab Res Galaxies & Cosmol, Hefei 230026, Anhui, Peoples R China 5.Pontificia Univ Catolica Chile, Fac Fis, Inst Astrofis, Santiago 8970117, Chile 6.Chandler Gilbert Community Coll, 2626 East Pecos Rd, Chandler, AZ 85225 USA 7.Observ Carnegie Inst Washington, Campanas Observ, Casilla 601, La Serena, Chile 8.Univ Diego Portales, Nucleo Astron, Casilla 298-5, Santiago, Chile 9.Natl Opt Astron Observ, 950 N Cherry Ave, Tucson, AZ 85719 USA 10.Cerro Tololo Interamer Observ, Natl Opt Astron Observ, Casilla 603, La Serena, Chile
Recommended Citation GB/T 7714	Khostovan, A. A.,Malhotra, S.,Rhoads, J. E.,et al. Correlations between H alpha equivalent width and galaxy properties at z=0.47: Physical or selection-driven?[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2021,503(4):5115-5133.
APA	Khostovan, A. A..,Malhotra, S..,Rhoads, J. E..,Harish, S..,Jiang, C..,...&Walker, A. R..(2021).Correlations between H alpha equivalent width and galaxy properties at z=0.47: Physical or selection-driven?.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,503(4),5115-5133.
MLA	Khostovan, A. A.,et al."Correlations between H alpha equivalent width and galaxy properties at z=0.47: Physical or selection-driven?".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 503.4(2021):5115-5133.

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